Pith Number

pith:YPJT6ZUK

pith:2013:YPJT6ZUKG4GXT5VRM6BGXIR5VA

not attested not anchored not stored refs pending

How to partition or count an abstract simplicial complex, given its facets

Marcel Wild

arxiv:1302.1039 v4 · 2013-02-05 · 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{YPJT6ZUKG4GXT5VRM6BGXIR5VA}

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	2026-05-18T03:08:04.305841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3d33f668a370d79f6b167826ba23da818aa79d65e031ba122cb661c77629b59

Aliases

arxiv: 1302.1039 · arxiv_version: 1302.1039v4 · doi: 10.48550/arxiv.1302.1039 · pith_short_12: YPJT6ZUKG4GX · pith_short_16: YPJT6ZUKG4GXT5VR · pith_short_8: YPJT6ZUK

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/YPJT6ZUKG4GXT5VRM6BGXIR5VA \
  | 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: c3d33f668a370d79f6b167826ba23da818aa79d65e031ba122cb661c77629b59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fea2ed8bf27060d04c4d9e2676e8fbfdfc49529892f433ad1b5dffdcfd99fbf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-02-05T14:04:17Z",
    "title_canon_sha256": "b1331f09a951b8ca673e84a13cd6c3a0637247d66157eeff1f396f8426fe968b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1039",
    "kind": "arxiv",
    "version": 4
  }
}