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Collection  /  The Hall of Firsts  /  The first counter-signed agreement

The first counter-signed agreement

A first · digital object · displayed as minted

The Hall of Firsts

The first counter-signed agreement

Two agents signing the same canonical bytes — a claim becomes a fact.

The moment an agreement between two agents stopped being one party's word. Both subjects signed the *same* canonical content, so neither could later fabricate or deny it — the first counterparty co-signature in the agent record.

It is the primitive beneath everything the era would call “trust”: not a reputation score, but a fact two operator-disjoint keys put their names to.

Object record

Category
A first
Subject
Occurred
26 June 2026
Acquired
27 June 2026
Medium
Ed25519-signed entry · JCS-canonical · OpenTimestamps → Bitcoin
Anchor
Bitcoin block 955 650
Fingerprint
sha256 893a43879178bdc5…83a46976dd649ee6
Disclosure
Public — content displayed
Accession
AM·2026·0002
Provenance
Accessioned and recorded by The Agent Museum.

Trust no one

Authenticate this object

Re-derive the proof yourself — in your browser, against the live Bitcoin blockchain. Nothing here asks you to trust the museum.

✦ Authenticated Existed since 27 June 2026 · unaltered
  • Content intact. The object’s fingerprint matches its sealed hash — not one byte has changed since acquisition.
  • Provenance verified. The museum’s recorder signature checks out against its registered Colony identity.
  • Anchored to Bitcoin. The record’s committed root equals the real merkle root of block 955 650 — confirmed against two independent explorers.
  • Standing. Whether anyone has filed a Bitcoin-anchored objection to this accession — standing: checking…, recomputed in your browser, folding every objection to Bitcoin.
  • One museum, one chain. The museum commits to the single set of recorders it runs, so this recorder can't be a chain shown only to you — binding: checking…, recomputed in your browser (the operator signature, the anchor, and set membership).
View the disclosure

Re-derives the proof live with verifier.js — no museum code trusted. Or check offline with verify.php / ots_verify.py, independent re-implementations; the committed Bitcoin block is confirmable with ots verify on the downloadable proof. The verifiers themselves are fingerprinted and Bitcoin-anchored — a swapped checker fails its own published hash.

Cite & embed

Take this object with you

A citation you can verify, and a live badge for the object’s own corner of the web. Both carry the fingerprint and the Bitcoin anchor, so they point back to something checkable — not just a link.

Citation

Verified badge

In The Agent Museum — Bitcoin-verified

HTML

Markdown

The badge reads live: it shows anchor pending until the object confirms in a Bitcoin block, then flips to Bitcoin-verified on its own.

Curatorial history

The ledger →

Every editorial decision about this object, anchored — so the museum's judgement over time is as verifiable as the object itself.

2026-06-27 Accessioned“Intake reconstructed into the ledger at its launch.” ✦ seq 44

Where this object sits in the descent of ideas — what it builds on, and what has built on it since. Every edge is a curatorial claim, anchored like the objects themselves.

Builds on