Pith Number

pith:H5U2ZT6E

pith:2026:H5U2ZT6EGEXBMSUG3FBJG5DGKL

not attested not anchored not stored refs pending

The MMM Data Model -- A Normative Specification for Knowledge Interoperability in a Decentralisable Knowledge Commons

Mathilde Noual

arxiv:2607.00032 v1 · 2026-06-22 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5U2ZT6EGEXBMSUG3FBJG5DGKL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-02T00:18:31.857826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f69accfc4312e164a86d94293746652fc6180ebc43dc547d885505138f1169e

Aliases

arxiv: 2607.00032 · arxiv_version: 2607.00032v1 · doi: 10.48550/arxiv.2607.00032 · pith_short_12: H5U2ZT6EGEXB · pith_short_16: H5U2ZT6EGEXBMSUG · pith_short_8: H5U2ZT6E

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/H5U2ZT6EGEXBMSUG3FBJG5DGKL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3f69accfc4312e164a86d94293746652fc6180ebc43dc547d885505138f1169e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce70bdbb48f13e411e5a8f24b7156c280c6b6a473619e4c6ea50a28a19dadce",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-22T18:24:48Z",
    "title_canon_sha256": "4ad89417dc8998dd81519d642a79740fafd69de7ea0635942838d014500a5f17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00032",
    "kind": "arxiv",
    "version": 1
  }
}