Pith Number

pith:25UFFL4Z

pith:2012:25UFFL4ZC22YZZSQSQJF4GWISP

not attested not anchored not stored refs pending

Myhill-Nerode methods for hypergraphs

Frances A. Rosamond, Michael R. Fellows, Ren\'e van Bevern, Rodney G. Downey, Serge Gaspers

arxiv:1211.1299 v5 · 2012-11-06 · cs.DM · cs.DS · cs.FL · 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{25UFFL4ZC22YZZSQSQJF4GWISP}

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	2026-05-18T01:23:10.709102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d76852af9916b58ce65094125e1ac893e7d72b98bccdf5d61f22cd4f0f2470e8

Aliases

arxiv: 1211.1299 · arxiv_version: 1211.1299v5 · doi: 10.48550/arxiv.1211.1299 · pith_short_12: 25UFFL4ZC22Y · pith_short_16: 25UFFL4ZC22YZZSQ · pith_short_8: 25UFFL4Z

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/25UFFL4ZC22YZZSQSQJF4GWISP \
  | 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: d76852af9916b58ce65094125e1ac893e7d72b98bccdf5d61f22cd4f0f2470e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ab243facaab208f780301b2c7e2408f6427887848201ad7b0c565e41a39291",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.FL",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-11-06T16:36:55Z",
    "title_canon_sha256": "8a88f1ad3397e99a748c28c376cb7f32bb00c02325977766c7d14d61736e34fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1299",
    "kind": "arxiv",
    "version": 5
  }
}