Pith Number

pith:FW7BAIYW

pith:2012:FW7BAIYW7Y6JBICEZVOBSAW6ZJ

not attested not anchored not stored refs pending

Graph Odometry

Aaron Dutle, Bill Kay

arxiv:1211.2151 v1 · 2012-11-09 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FW7BAIYW7Y6JBICEZVOBSAW6ZJ}

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	2026-05-18T03:41:11.581956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dbe102316fe3c90a044cd5c1902deca763ad51379d461591e1dd7ec4cd76547

Aliases

arxiv: 1211.2151 · arxiv_version: 1211.2151v1 · doi: 10.48550/arxiv.1211.2151 · pith_short_12: FW7BAIYW7Y6J · pith_short_16: FW7BAIYW7Y6JBICE · pith_short_8: FW7BAIYW

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/FW7BAIYW7Y6JBICEZVOBSAW6ZJ \
  | 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: 2dbe102316fe3c90a044cd5c1902deca763ad51379d461591e1dd7ec4cd76547

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff00e0e0be650e413928609aff070d0d77ac426739abf0df84ad8a6ff505861",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-11-09T14:59:43Z",
    "title_canon_sha256": "f65fa7c2179eb4bb8f972879550489d73042dac13b3489616f87a63822c6406a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2151",
    "kind": "arxiv",
    "version": 1
  }
}