Pith Number

pith:R7GRQJEG

pith:2013:R7GRQJEGJIOPR62FQJWL2KIJHG

not attested not anchored not stored refs pending

A Mathematica package to cope with partially ordered sets

Pietro Codara

arxiv:1307.1352 v1 · 2013-07-04 · cs.MS · 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{R7GRQJEGJIOPR62FQJWL2KIJHG}

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	2026-05-18T03:19:13.977907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fcd1824864a1cf8fb45826cbd290939b6ce3c554a857f6ac70c2ef4b7491a8d

Aliases

arxiv: 1307.1352 · arxiv_version: 1307.1352v1 · doi: 10.48550/arxiv.1307.1352 · pith_short_12: R7GRQJEGJIOP · pith_short_16: R7GRQJEGJIOPR62F · pith_short_8: R7GRQJEG

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/R7GRQJEGJIOPR62FQJWL2KIJHG \
  | 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: 8fcd1824864a1cf8fb45826cbd290939b6ce3c554a857f6ac70c2ef4b7491a8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "488544f9fc9c44694a1dbf3594126fdbbb376176deec196543f900bbc6536950",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2013-07-04T14:33:31Z",
    "title_canon_sha256": "e1e4bfddb166ec748dcaef33de145283415e4c049cbe1e016d1d25b4975560df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1352",
    "kind": "arxiv",
    "version": 1
  }
}