Pith Number

pith:2MS5IJWK

pith:2010:2MS5IJWK3YDTBTW5FARR6I4QGP

not attested not anchored not stored refs pending

Categorial Minimalist Grammar

Alain Lecomte (INRIA Bordeaux - Sud-Ouest, Christian Retor\'e (INRIA Bordeaux - Sud-Ouest, LaBRI), Maxime Amblard (INRIA Lorraine - LORIA), Sfltamp)

arxiv:1012.2661 v1 · 2010-12-13 · cs.CL · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MS5IJWK3YDTBTW5FARR6I4QGP}

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	2026-05-18T04:33:26.551598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d325d426cade0730cedd28231f239033dca4d1b2303b6173ba17387ff09c6d54

Aliases

arxiv: 1012.2661 · arxiv_version: 1012.2661v1 · doi: 10.48550/arxiv.1012.2661 · pith_short_12: 2MS5IJWK3YDT · pith_short_16: 2MS5IJWK3YDTBTW5 · pith_short_8: 2MS5IJWK

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/2MS5IJWK3YDTBTW5FARR6I4QGP \
  | 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: d325d426cade0730cedd28231f239033dca4d1b2303b6173ba17387ff09c6d54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b51d2d5a1a95c1fa0aa4edd595cf0eb85ec67c1279c2a8c3380781c2cf59ccfd",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2010-12-13T08:55:43Z",
    "title_canon_sha256": "a1063cdf1209a431983bfde90687933b29d41081327e4c11eb2d4195c8770dc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2661",
    "kind": "arxiv",
    "version": 1
  }
}