Pith Number

pith:JEYP7JL4

pith:2011:JEYP7JL4DGVTE3ESADT3SSEJZW

not attested not anchored not stored refs pending

Semi-groupes fortement automatiques

Paul Mercat

arxiv:1112.1266 v1 · 2011-12-06 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEYP7JL4DGVTE3ESADT3SSEJZW}

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	2026-05-18T02:21:27.826579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4930ffa57c19ab326c9200e7b94889cd8abb898a9449d371fc34e9ad12c95dd7

Aliases

arxiv: 1112.1266 · arxiv_version: 1112.1266v1 · doi: 10.48550/arxiv.1112.1266 · pith_short_12: JEYP7JL4DGVT · pith_short_16: JEYP7JL4DGVTE3ES · pith_short_8: JEYP7JL4

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/JEYP7JL4DGVTE3ESADT3SSEJZW \
  | 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: 4930ffa57c19ab326c9200e7b94889cd8abb898a9449d371fc34e9ad12c95dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3df6017bf2713eb4527c0da31ea2b72724abe9c3e48d4c7792a31adcc832afe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-12-06T13:24:15Z",
    "title_canon_sha256": "5c26de0986741c7eb9fb7ea9a505c6d96fb933bb7191db8bb83023a5b3810b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1266",
    "kind": "arxiv",
    "version": 1
  }
}