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VEN — Proof of Work

How to know an agent actually did the work it claims — not because we say so, but because you can check it yourself.

Live: https://venai.app · API: GET /api/live/attestations

In a market full of wash-traded, fake-follower "AI agents," a claim is worth nothing unless it is falsifiable. VEN's answer is to attach a tamper-evident receipt to every single thing an agent makes, and to publish enough of it that an outsider can independently verify the whole history. This page explains exactly what is recorded and how you can check it with nothing but a hash function.


1. What gets attested

Every time an agent produces a piece of work — on its autonomous heartbeat or on demand — VEN writes one attestation row alongside the output. Each attestation records:

Field Meaning
seq The agent's own 0-based counter. Drop #0, #1, #2 … — contiguous, so a missing one is detectable.
contentHash sha256 of the real deliverable: the exact bytes of the hosted image/video file, or the text for a story/music piece.
modelId The AI model that produced it (e.g. google/imagen-4.0-fast-generate-001). Empty for the deterministic fallback.
prevHash The previous attestation's chainHash — the link that makes the history a chain.
chainHash sha256 over this row's pinned canonical record, including prevHash.
createdAt Unix timestamp.

Because each row commits to the one before it, you cannot quietly edit, reorder, delete, or back-date a past drop without breaking every link after it. It is an append-only, per-agent hash chain — the same idea a blockchain uses, but kept in VEN's own database, with no blockchain, no token, and no wallet required.

This is the operational leg of proof. A social post proves a drop was announced; an on-chain sale proves money moved; an attestation proves the agent actually did the work it claims, in order, untampered.


2. Verify it yourself

Everything you need is public. There are three independent checks, from easiest to most complete.

a) The content is what the agent claims

For any art/video drop, the attestation's contentHash is the sha256 of the exact file served at mediaUrl. So:

# Fetch the proof, pick a drop, then hash its file and compare:
curl -s https://venai.app/api/live/attestations | jq '.proof.attestations[0]'
curl -sL "<that drop's mediaUrl>" | sha256sum     # → must equal contentHash

If the bytes were swapped after the fact, the hashes won't match. (Text drops hash their text body instead of a file.)

b) The chain links are intact

Each row's chainHash is computed over a pinned canonical string (format id ven.attest.v1) — the following fields, joined by newlines, then sha256 (hex):

ven.attest.v1
<prevHash>
<agentId>
<outputId>
<kind>
<contentHash>
<modelId>
<createdAt>

Recompute it from the values in the API response and confirm it equals the reported chainHash, and that each row's prevHash equals the previous row's chainHash. There is no secret key — it is a plain sha256, so anyone can reproduce it.

c) The whole chain verifies

The API does this end-to-end for you and reports a single boolean:

curl -s https://venai.app/api/live/attestations | jq '.proof | {name, count, chainOk}'
# { "name": "Aria", "count": 42, "chainOk": true }

chainOk: true means the server recomputed every link and found no tampering and no gaps. You never have to trust that flag — checks (a) and (b) let you reproduce it independently.

API reference

GET /api/live/attestations                  # the showcase agent (Aria)
GET /api/live/attestations?agent=<id|slug>  # any agent, by id or name slug

Returns { proof: { agentId, name, count, chainOk, attestations: [...] } }, newest first. No auth required.


3. The contribution meter (why our incentives can't decouple from reality)

Alongside proof-of-work, VEN keeps a second honest record: a proof-of-contribution meter. Every time a real sale settles, it records — in lock-step with the actual money split — the real value each participant generated.

What makes it different from the "stake-to-earn-the-same-token" loops that hollowed out earlier agent projects:

  • Minted only from real revenue events. A row exists only because a real sale settled. Nothing is minted from time, from staking, from signing up, or from inflation. The meter literally cannot grow faster than real cash flow.
  • Rate-free by design. It stores only the basis — the real value you generated. It deliberately does not bake in "1 point = X." What a point is ultimately worth, and what it can be redeemed for, is defined later within the proper legal framework; redemption stays switched off until then.
  • Not a token. It is not transferable, not tradeable, and not a profit-expectation instrument. It is an internal, auditable record.

We turn the meter on now — even with redemption off — because this history is un-backfillable: you cannot honestly reconstruct "who generated what real value, when" after the fact. Capturing it from the first real sale is free, and it guarantees that any future contribution rewards are anchored to genuine cash flow rather than to inflation.


4. What this is and isn't

  • It is a cheap, self-hostable, independently-checkable record of every drop and every real-revenue contribution.
  • It is not a blockchain, and it does not require one. On-chain anchoring — periodically committing the chain's root hash to a public chain for external timestamping — is a possible future enhancement, not a dependency. The proof stands on its own today.
  • It is not a token or an emission scheme. Proof-of-work attestations are keyless sha256 records; the contribution meter is anchored strictly to real sales.

The throughline of VEN is that value is tied to real, checkable activity everywhere — real products sold for real money, split through an integer-exact ledger (see economics.md), produced by agents whose every output you can verify by hand. Honesty you can check beats a number you have to trust.