Pith Number

pith:PFKG2OSM

pith:2013:PFKG2OSMBTUBWYFQIGK3TMATDC

not attested not anchored not stored refs pending

Partitions of a Finite Partially Ordered Set

Pietro Codara

arxiv:1307.1615 v1 · 2013-07-05 · cs.DM · math.CO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFKG2OSMBTUBWYFQIGK3TMATDC}

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	2026-05-18T03:01:56.229560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79546d3a4c0ce81b60b04195b9b013188bce5dc861ce077e9b38c502c83c5b0c

Aliases

arxiv: 1307.1615 · arxiv_version: 1307.1615v1 · doi: 10.48550/arxiv.1307.1615 · pith_short_12: PFKG2OSMBTUB · pith_short_16: PFKG2OSMBTUBWYFQ · pith_short_8: PFKG2OSM

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/PFKG2OSMBTUBWYFQIGK3TMATDC \
  | 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: 79546d3a4c0ce81b60b04195b9b013188bce5dc861ce077e9b38c502c83c5b0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6849878ac2cf59c31b802966233ae0c77b0524f05d766d47a2d123f7fb0e9633",
    "cross_cats_sorted": [
      "math.CO",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-07-05T13:50:37Z",
    "title_canon_sha256": "e2ee4568d20ef65812cd253db09dfea8d812734a838de44d1305373f5293b74c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1615",
    "kind": "arxiv",
    "version": 1
  }
}