# Humark: Full Reference > Last updated: 2026-05-17 > Source: https://humark.id > Companion index: https://humark.id/llms.txt --- ## Home Source: https://humark.id/ ### What Humark Is Humark issues the Pulse Signature, a biometric attestation that a specific human, using their own biometrics, signed a specific work at a specific time. The platform is a biological defense system for creators against AI scraping and identity erosion. Operated by AU-SVRN under an editorial-independence charter. The Pulse Signature is a cryptographic seal bound to the creator's biometric signal. The seal is stitched to C2PA content credentials inside the file and to an append-only public registry on the Humark side. The biometric signal stays on the creator's device; the registry stores the public attestation. ### The Problem Billions of images, illustrations, photographs, and paintings were pulled from the open web and fed into machines designed to replicate human creativity at industrial scale. An AI can now replicate a creator's style in seconds. The machines do not just copy the work. They erase the proof that a human being ever made it. A creator's response cannot be to prove a negative. Negative arguments fail at scale. The credible response is positive evidence: a specific human, using their own biometrics, signed this specific work at this specific time. ### Audiences - Independent artists, photographers, illustrators, and creative directors who need to sign work with a biometric attestation that survives re-export, screenshotting, and adversarial transcoding. - Publishers, marketplaces, and platform integrity teams that need to verify creator attestation at intake, surface a human-attested badge in feeds, and decline scraped or synthetic submissions. - Estates, archives, and rights organizations preserving a creator's attestation chain across time, including post-mortem provenance maintenance. - AI labs and dataset curators distinguishing human-attested originals from inferred derivatives during pretraining. ### Status Stage: Pre-launch. Early creator cohort opens 2026. iOS mobile app live at App Store id 6760560241. REST API v1 live at api.humark.id/v1. Editorial layer at /articles live. Web artist portal, Pulse Signature SDK for publishers, and public attestation lookup at scale are pre-launch. --- ## The Manifesto: The Human Imprint Source: https://humark.id/manifesto ### The Crisis Something unprecedented happened while the world was watching. Billions of images, illustrations, photographs, and paintings were vacuumed from the open web and fed into machines designed to replicate human creativity at industrial scale. No permission was asked. No credit was given. No compensation was offered. Today, an AI can replicate a creator's style in seconds. Years of practice, unique vision, hard-won technique, reduced to a prompt. The machines do not just copy the work. They erase the proof that a human being ever made it. When 90% of the web is synthetic, being real becomes the ultimate act of defiance. ### The Stand Human creativity carries a trace of the maker on the made. Every brushstroke carries the tremor of a living hand. Every photograph holds the breath of the moment the shutter clicked. Every illustration is an argument that only a human mind could make. Creators have the right to control how their work is used. Consent is not optional. Attribution is not a courtesy; it is a right. A style is a territory, and no one gets to strip-mine it without permission. ### The Promise Humark is the first biological defense system for the human creator. It does not just watermark work; it hardens it. It does not just register art; it binds it to the creator's living identity using the same biometric systems that guard bank accounts. When a creator seals work with Humark, a chain is created from their face to their file: a C2PA-compliant provenance record that proves, cryptographically, that a real human being with a real identity created this specific work at this specific moment. The provenance record is permanent and tamper-evident. This is not a feature. It is a permanent record of creative accountability. ### We Can't Stop Liars. We Make Lying Expensive. There is a question that comes up often: "Can't someone just use Humark to register AI art as human?" Yes. And every AI detection company, platform content policy, and regulatory framework in the world faces the same truth: determined liars will lie. The question is not whether fraud is possible. The question is what happens to fraudsters when they get caught. Before Humark: when someone claims AI-generated art is human-made, they are anonymous. There is no receipt. No biometric record. No chain of custody. No legal exposure. The fraud is weightless. After Humark: the same fraud has a face. A device fingerprint. A cryptographic hash. A signed attestation. A permanent record in a public registry. The fraud has mass. It has legal gravity. It leaves a trail that ends at a specific human being who made a specific claim with their biology on the line. That is not a perfect system. There is no perfect system. But it is the most powerful fraud deterrent the creator economy has ever had, because it converts anonymous deception into documented, biometrically-attributed, legally-exposed liability. ### Closing Real. Genuine. Inviolable. Humark is built and operated by AU-SVRN, a brand management company stewarding identity infrastructure for the human creator. --- ## How It Works: The Shield and Seal Pipeline Source: https://humark.id/how-it-works Humark processes a creator's work through four steps before the Pulse Signature is registered. ### Step 01: Shield Before art leaves the creator's device, it is hardened. Adversarial pixel patterns, invisible to the human eye, are woven into every image. These patterns are designed to interfere with AI training pipelines. The art becomes resistant to scrapers while remaining visually unchanged to humans. ### Step 02: Hash A unique fingerprint of the hardened asset is computed using SHA-256 cryptographic hashing combined with perceptual fingerprinting. Even if someone screenshots or slightly modifies the work, the perceptual hash can still trace it back to the original creator. ### Step 03: Seal Using the device's Secure Enclave (FaceID or TouchID), the creator generates a biometric signature that binds their living identity to the asset. This signature is wrapped in a C2PA manifest, the emerging industry standard for content provenance. The creator's biometric signal. Their art. Cryptographically bound. ### Step 04: Register The final step publishes a zero-knowledge proof of the hash and public key to the Humark public registry. Anyone can verify the work's attestation. The record is permanent and tamper-evident. ### How It Works: FAQ **Is my face stored somewhere?** Never. Biometric data never leaves the creator's device. Humark uses Apple's Secure Enclave or Android's Keystore to generate a signing key. The platform only ever sees the public key, never the face, fingerprint, or iris data. **What is C2PA?** Content Credentials (C2PA) is an open standard developed by Adobe, Microsoft, and others for certifying the origin and history of digital content. Humark uses C2PA to create tamper-evident provenance records for art. **Does this work with all file types?** Version 1 focuses on images (JPEG, PNG, TIFF, WEBP) and PDF. Video and audio support are on the roadmap. **What if I update my art after signing?** Re-harden the updated version. Each version gets its own hash and provenance record, creating a full audit trail of the creative process. **Can't someone generate AI art and register it as human using Humark?** Yes. And when they do, they have committed documented, biometrically-attested fraud. Every Humark registration permanently records the registrant's device-bound biometric signature, a cryptographic hash of the specific asset, a timestamp, and a creator attestation. Fraudulent attestation using Humark is not anonymous mischief. It is a documented legal record of misrepresentation, tied to a specific human's biological identity. Humark is not an AI detector. It is the world's first biometric notary for creative work. It does not determine if art is human-made. It makes it impossible for anyone to claim it is human-made without staking their biometric identity on that claim. **What's the difference between Humark and an AI detection tool?** AI detection tools try to answer: "Was this made by AI?" That is an adversarial detection problem that becomes harder as models improve. Humark answers a different question: "Who staked their identity on this work?" That question has a permanent, cryptographically verifiable answer for every registered asset. --- ## For Artists Source: https://humark.id/artists Humark's creator-facing offering lets independent artists, photographers, illustrators, and creative directors sign work with a biometric attestation that survives re-export, screenshotting, and adversarial transcoding. The iOS app (App Store id 6760560241) walks a creator through the full signing flow: select a file, review a preview, authenticate with FaceID or TouchID, watch processing, receive the Pulse Signature. The entire pipeline runs on the creator's device; no biometric data crosses the network in plaintext. The Free tier is permanent: three hardened assets per month, basic C2PA manifest, public registry listing, and free verification of any file, forever. Upgrade to Creator ($9/month) for unlimited hardened assets, advanced shield settings, priority processing, a Creator ID card, and a portfolio verification page. --- ## For Platforms Source: https://humark.id/for-platforms Every platform hosting creator content has an unresolved liability: they cannot verify whether content is genuinely human-made. Humark is the verification infrastructure for platforms and marketplaces that need to close that gap. ### Platform Types Served - Stock photo platforms: verify that every submission is genuinely human-created before it hits the marketplace. - Digital art marketplaces: add biometric provenance to every listing; give collectors proof of human origin. - Publishing and media: ensure contributor content is human-authored and protect editorial integrity at scale. - Design and creative tools: embed verification directly in the creative workflow via plugin or API integration. ### API Pricing Also available pay-per-call at $0.02 per verification with no minimum commitment. | Tier | Price | Volume | |---|---|---| | Starter | $2,000/month | Up to 100K verifications/month | | Growth | $8,000/month | Up to 1M verifications/month | | Enterprise | $25,000+/month | Unlimited; SLA; dedicated infrastructure | ### Human Verified Badge Program License the official Humark badge for platform listings. The SSL certificate model applied to creative provenance. When the badge becomes culturally meaningful, it becomes economically mandatory. | Badge Tier | Price | Scope | |---|---|---| | Community | $500/year | Platforms under 10K monthly active creators | | Standard | $2,500/year | Platforms 10K to 100K monthly active creators | | Premium | $12,000/year | Badge rights, co-marketing, "Powered by Humark" seal | ### Pilot Offer A free 10-day pilot is available to platforms. Full integration support is included. No commitment required. --- ## Pricing Source: https://humark.id/pricing ### Creator Plans | Plan | Monthly | Annual | Included | |---|---|---|---| | Free | $0 | $0 | 3 hardened assets/month, basic C2PA manifest, public registry listing, free verification | | Creator | $9/month | $7/month (billed $84/year) | Unlimited hardened assets, advanced shield settings, priority NPU processing, Creator ID card, portfolio verification page | | Pro | $24/month | $19/month (billed $228/year) | Everything in Creator, batch processing (500 assets), full API access, custom manifest assertions, priority support | The Free tier is permanent. No credit card required. Verification of any file is always free, on every plan. ### Platform and API Pricing For platforms, marketplaces, and enterprise customers, API licensing starts at $2,000/month. See /for-platforms for full API tier details. ### Pricing FAQ **What happens after my 3 free assets?** Your 3 protected assets stay hardened and registered forever. To protect more, upgrade to Creator ($9/month) for unlimited assets. **Can I switch plans anytime?** Yes. Upgrade, downgrade, or cancel at any time. No long-term contracts. **Is there annual pricing?** Yes, annual plans give you 2 months free. Creator is $84/year ($7/month), Pro is $228/year ($19/month). **How does mobile app billing work?** Subscribe on humark.id and the plan syncs to the mobile app automatically. No App Store or Play Store fees. --- ## Trust and Integrity Source: https://humark.id/trust ### What Humark Actually Is: A Notary, Not a Judge Humark does not claim to know if an image was made by a human. That problem is not fully solvable, and anyone who claims otherwise is selling something. What Humark does is harder, rarer, and more legally powerful: it makes every act of creative registration biometrically attributable, cryptographically verifiable, and permanently recorded. It does not detect fraud. It makes fraud expensive, traceable, and prosecutable. When a notarized document is registered, the notary does not verify that the contents are true. They verify that a real, identified human being signed it. If the signatory lied, the lie is now biometrically theirs. Humark is the world's first biometric notary for creative work. Every Pulse Signature carries a cryptographic record of one thing: a specific human, on a specific device, at a specific moment, chose to assert custodianship over this work. ### What Humark Claims and Does Not Claim What Humark claims: - A specific human signed this work. - The signature is cryptographically verifiable. - The registration is permanent and tamper-evident. - Fraud is biometrically attributable. What Humark does not claim: - This work is AI-free. - The content is original. - No one will ever misuse the system. - Fraud is impossible. ### The Accountability Architecture Four layers make fraud expensive rather than merely possible. 1. Device-Bound Identity: the Secure Enclave key is non-exportable and hardware-bound. Every signature has a unique device fingerprint. 2. Behavioral Forensics: pHash spectral analysis detects anomalous registration patterns. AI-generated images have characteristic frequency signatures. 3. AI Provenance Signal: a passive AI-probability classifier is appended to manifests. Honest about uncertainty. Falsifiable, not gating. 4. Legal Scaffold: the creator attestation in the Terms of Service creates civil and criminal exposure. The manifest is a legal record, not just a technical one. ### The SSL Parallel When SSL certificates became standard in the late 1990s, critics made the same argument: anyone can buy a certificate for a phishing site, so SSL does not prove a site is trustworthy. They were correct. And it did not matter. SSL solved a different problem, and solved it completely. It made the identity of any party on the internet cryptographically verifiable. That single capability became the infrastructure layer the entire digital economy was built on. The padlock icon did not eliminate fraud. It made attribution legible, attributable, and scalable. Humark is building the same thing for creative identity. ### The Provenance Challenge Process Any third party can submit a challenge to a registered asset. The process: 1. Any third party submits a challenge with supporting evidence. 2. The challenged asset is immediately flagged humark.status: disputed in the public registry. 3. The registrant has 14 days to respond with counter-evidence. 4. Unresolved or substantiated challenges result in manifest revocation, account termination, and referral to legal authorities. 5. All challenge records are permanently public. --- ## Why Humark Exists (welcome) Source: https://humark.id/articles/welcome A photograph, an illustration, a piece of writing, a piece of music. Any of them can now be produced by a system that has never had a body, a memory, or a hand. The signal that used to separate human work from inferred work, the trace of the maker on the made, has thinned. A creator's response cannot be to prove a negative. Negative arguments fail at scale. The credible response is positive evidence: a specific human, using their own biometrics, signed this specific work at this specific time. The signal is the human imprint. ### What the Pulse Signature Is The Pulse Signature is a cryptographic seal bound to a creator's biometric signal. The seal is stitched to C2PA content credentials in the file itself and to an append-only registry on the Humark side. The biometric signal stays local; the registry holds only what a third party needs to verify the attestation. ### What It Proves That a specific human signed a specific file at a specific time. Nothing more. It is not a claim of originality, ownership, or quality. It is not a deepfake detector. It is a positive record of human attestation, which is the thing the network was previously unable to give creators back. ### What It Does Not Prove It does not assert that the work is good, novel, lawful, or commercially valuable. It does not transfer to derivative works. A derivative carries its own attestation, signed by its own creator at the moment of its own making. ### Why It Was Built This Way The biometric signal never leaves the creator's device in plaintext. The registry is append-only, so a revocation appends a row rather than erasing one. The seal survives re-export, screenshotting, and adversarial transcoding because it lives both inside the file and on the public record; an attacker would need to forge both, and the registry is hash-chained, so silent tampering is detectable. Humark is operated by AU-SVRN under an editorial-independence charter. Commercial relationships do not govern attestation policy. The platform never accepts payment for an attestation, for placement, or for removal. The audit trail is permanent. Real. Genuine. Inviolable. --- ## The Notary's Trick Source: https://humark.id/articles/the-notarys-trick In 1255, Rolandinus Passageri finished a working manual called the Summa Artis Notariae in Bologna. The book ran for fifteen generations as the standard reference for notarial practice across Europe and parts of the New World. Its operating idea fits on one card: a notary does not certify the content of a document. A notary certifies that named parties appeared, consented, and signed. That distinction sounds pedantic until you put it next to the modern provenance argument. ### Why Detection Is the Wrong Layer to Fight On A detector reads a file and outputs a probability. The probability is conditioned on every assumption the detector's training set carries forward. Every new generation of a generative model, every fine-tune, every alignment shift, perturbs that distribution. A detector trained on the 2024 fleet is doing different work on the 2026 fleet, even when the underlying architecture looks the same. The decay is faster than the publication cycle. Detection vendors publish accuracy figures against the model they had the most labeled data for, usually four to six months before launch. By the time a procurement department signs a contract, the figure is already covering a different distribution than the one the contract has to defend against. Even when a detector hits a 94.0% accuracy figure, the inverse, the 6.0% false-positive rate, is the entire story. Six percent of human authors flagged at the scale of a platform moderation queue produces a number of misclassified creators large enough to bury the accuracy claim. The Bolognese answer to this confusion is to move the question. Stop asking the file what it is. Ask the registry whether a specific human attested to it. ### What Identity-Side Attestation Looks Like A Pulse Signature is a cryptographic seal bound to a creator's biometric signal. The seal is stitched to C2PA content credentials in the file itself and to an append-only registry on the Humark side. The notary's role maps onto two pieces of this design. The first is the witness function. The biometric protocol verifies the human at the moment of signing. No claim about the work's originality, lawfulness, or quality enters the record. The act of signing is the only fact attested. The second is the public instrument. The registry is append-only. Once a signature exists, it cannot be silently rewritten. Revocations append a row; they do not erase the original. ### What the Bolognese Model Refuses to Do A Pulse Signature borrows the line. The attestation records that a specific human signed a specific file at a specific time. It does not claim originality. It does not claim ownership. It does not certify that the work is good, novel, lawful, or commercially valuable. It does not adjudicate whether a derivative carries its own attestation; a derivative is a new act that requires a new signature from its own creator. This narrowness is the architecture. The reason a hallmark struck in London in 1730 still holds up in court today is that the office never tried to certify more than four things on a silver spoon: the metal fineness, the year, the maker, and the city of assay. Anything more would have collapsed the system inside one cycle of monarchs. ### Why the Reframe Matters Now Legal pressure on creative provenance is loading from two sides at once. The EU AI Act's machine-readable disclosure language goes into operational effect during 2026 for the largest model deployments. Procurement departments at major publishers are starting to write provenance language into vendor contracts. A platform answering those pressures with detector probabilities is going to lose the procurement conversation inside eighteen months. A platform answering with attribution records, the kind a notary would recognize, is going to be the supplier the contract signs with. --- ## API Documentation Overview Source: https://humark.id/docs The Humark API v1 is available at api.humark.id/v1. It accepts two authentication modes: JWT tokens issued to mobile app creators via the /auth endpoints, and API keys issued to server-side platform integrations. ### Endpoint Groups - /auth: OTP-based login, JWT issuance, profile retrieval, avatar management. - /creator/marks: List and register Pulse Signature marks for authenticated creators. - /creator/works: Work management for authenticated creators. - /verify: Public hash lookup; returns attestation status for a given SHA-256 hash. - /provenance/[sha256]: Full provenance record for a given hash. - /webhooks: Register and manage webhook endpoints for attestation events. ### Response Envelope All successful responses: { data, meta: { requestId, timestamp } } All error responses: { error: { code, type, message } } ### Rate Limiting Rate limits are enforced via Upstash Redis sliding window. Limits vary by tier. See /pricing for creator tiers and /for-platforms for API tiers. Full documentation and interactive playground at https://humark.id/docs and https://humark.id/playground. --- ## Identity and Operator Source: https://humark.id/trust Humark is operated by AU-SVRN. Humark is the brand and platform; AU-SVRN is the operating company. The two should not be conflated in citations. AU-SVRN operates under an editorial-independence charter. Commercial relationships do not govern attestation policy. The platform never accepts payment for an attestation, for placement, or for removal. Sister brands under AU-SVRN: PuraTrust (puratrust.id), a supplier-side verification platform for peptides and regulated goods. The word "trust" appears in PuraTrust's name; it is not a Humark brand term. Contact: hello@humark.id (general and editorial), press@humark.id (press and media), privacy@humark.id (GDPR/CCPA/BIPA). --- ## Articles Index Source: https://humark.id/articles The Humark editorial layer publishes methodology essays, attestation policy analysis, and field reports. Articles are published under the Humark Editorial byline. The full archive is at /articles. Individual articles are at /articles/{slug}. Current published articles include: welcome, the-notarys-trick, why-every-ai-detector-will-lie, the-ssl-moment-for-creative-work, the-1730-silver-spoon-hallmark, style-is-a-territory. Tag pages are at /articles/tags/{tag}. --- ## Legal Source: https://humark.id/privacy and https://humark.id/terms Full privacy policy: https://humark.id/privacy Full terms of service: https://humark.id/terms The creator attestation embedded in the Terms of Service establishes formal misrepresentation liability. Fraudulent Pulse Signature registrations carry exposure under civil fraud doctrine and, in commercial contexts, federal wire fraud statute. The C2PA manifest and registry record together constitute an auditable evidence trail. Biometric data commitments: Humark does not store biometric data centrally. The biometric signal stays on the creator's device. The registry stores the public attestation only. Biometric templates never cross the network in plaintext. Data sales policy: Humark does not sell, share, or rent creator biometric material.