Pith Number

pith:HNXSQRL2

pith:2015:HNXSQRL2KD5A656G3HI25LIL36

not attested not anchored not stored refs pending

An algorithm computing combinatorial specifications of permutation classes

Adeline Pierrot, Carine Pivoteau, Dominique Rossin, Fr\'ed\'erique Bassino, Mathilde Bouvel

arxiv:1506.00868 v2 · 2015-06-02 · 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{HNXSQRL2KD5A656G3HI25LIL36}

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	2026-05-18T01:00:53.885118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6f28457a50fa0f77c6d9d1aead0bdfbf72891973a70baa88d25a56315945ac

Aliases

arxiv: 1506.00868 · arxiv_version: 1506.00868v2 · doi: 10.48550/arxiv.1506.00868 · pith_short_12: HNXSQRL2KD5A · pith_short_16: HNXSQRL2KD5A656G · pith_short_8: HNXSQRL2

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/HNXSQRL2KD5A656G3HI25LIL36 \
  | 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: 3b6f28457a50fa0f77c6d9d1aead0bdfbf72891973a70baa88d25a56315945ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "763e56d3860b6326a489b176cbde5f50c8cd05337a2fc22a7a6f496b6512f553",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-06-02T13:04:58Z",
    "title_canon_sha256": "77e61bef922aca48b14dadcc3d67bd9c454b0794217ee55e632a293c3e39ef31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00868",
    "kind": "arxiv",
    "version": 2
  }
}