Pith Number

pith:767CIQCZ

pith:2013:767CIQCZHRBH7IBVQR4M7GSRUA

not attested not anchored not stored refs pending

Free but not recursively free arrangements

Michael Cuntz, Torsten Hoge

arxiv:1302.4055 v1 · 2013-02-17 · math.AG · 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{767CIQCZHRBH7IBVQR4M7GSRUA}

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	2026-05-18T03:33:24.424516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffbe2440593c427fa0358478cf9a51a006ba5c40afb5a33dfc84d1f9e2590582

Aliases

arxiv: 1302.4055 · arxiv_version: 1302.4055v1 · doi: 10.48550/arxiv.1302.4055 · pith_short_12: 767CIQCZHRBH · pith_short_16: 767CIQCZHRBH7IBV · pith_short_8: 767CIQCZ

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/767CIQCZHRBH7IBVQR4M7GSRUA \
  | 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: ffbe2440593c427fa0358478cf9a51a006ba5c40afb5a33dfc84d1f9e2590582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74286cbb8d3c17672de4ff31cb9a29f9488fbd31cbeb43eb5bb88812d25347d1",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-17T10:54:14Z",
    "title_canon_sha256": "c5ede534fbcc81d71cad0a9efa97ab7d76c318666e9088c272e5fe928c6528a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4055",
    "kind": "arxiv",
    "version": 1
  }
}