Pith Number

pith:S5PGT5K2

pith:2016:S5PGT5K2O7UA55LNNEAMAXLPZJ

not attested not anchored not stored refs pending

Sur l'\'enum\'eration de structures discr\`etes, une approche par la th\'eorie des relations

Djamila Oudrar

arxiv:1604.05839 v1 · 2016-04-20 · 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{S5PGT5K2O7UA55LNNEAMAXLPZJ}

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.

Cited by

1 paper in Pith

Uncountably many enumerations of well-quasi-ordered permutation classes

Receipt and verification

First computed	2026-05-18T01:16:35.347228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

975e69f55a77e80ef56d6900c05d6fca72290abeec57b502976c487ff57b5df7

Aliases

arxiv: 1604.05839 · arxiv_version: 1604.05839v1 · doi: 10.48550/arxiv.1604.05839 · pith_short_12: S5PGT5K2O7UA · pith_short_16: S5PGT5K2O7UA55LN · pith_short_8: S5PGT5K2

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/S5PGT5K2O7UA55LNNEAMAXLPZJ \
  | 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: 975e69f55a77e80ef56d6900c05d6fca72290abeec57b502976c487ff57b5df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16be540f5f56c3478ef66d1dcf2117c86e966ab6d6474d6419514af66aa9fdae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-04-20T06:36:41Z",
    "title_canon_sha256": "1182389fcb5aa11607b166acde0a0b62e7f36eb8d3fc9a43c08c40b6038340b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05839",
    "kind": "arxiv",
    "version": 1
  }
}