Pith Number

pith:5YQY4CJD

pith:2012:5YQY4CJDLMDSEEB6FTX2H5AUQV

not attested not anchored not stored refs pending

A simple formula for the series of constellations and quasi-constellations with boundaries

Eric Fusy, Gwendal Collet

arxiv:1205.5215 v3 · 2012-05-23 · 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{5YQY4CJDLMDSEEB6FTX2H5AUQV}

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	2026-05-18T02:56:12.847204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee218e09235b0722103e2cefa3f41485449ac96e2f5aa1ed4f73818d3d21e00d

Aliases

arxiv: 1205.5215 · arxiv_version: 1205.5215v3 · doi: 10.48550/arxiv.1205.5215 · pith_short_12: 5YQY4CJDLMDS · pith_short_16: 5YQY4CJDLMDSEEB6 · pith_short_8: 5YQY4CJD

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/5YQY4CJDLMDSEEB6FTX2H5AUQV \
  | 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: ee218e09235b0722103e2cefa3f41485449ac96e2f5aa1ed4f73818d3d21e00d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27987490b772d0946a61a56bf71a09c84116da3fa0274cc6b6e0da62e248ce7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-05-23T16:00:03Z",
    "title_canon_sha256": "5b9026263b3887c575350c614539ad384b2f47ba2ba24e16106e9627b126a1f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5215",
    "kind": "arxiv",
    "version": 3
  }
}