Pith Number

pith:X4HGKBQ2

pith:2013:X4HGKBQ27MAKMAB3RA25V6MCRT

not attested not anchored not stored refs pending

On a numerical algorithm for computing topological characteristics of three-dimensional bodies

I.A. Taimanov, Ya.V. Bazaikin

arxiv:1302.3669 v1 · 2013-02-15 · cs.CG · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4HGKBQ27MAKMAB3RA25V6MCRT}

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	2026-05-18T02:35:52.562876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf0e65061afb00a6003b8835daf9828cc584cc73a4b5b3bc0aca41b544207d84

Aliases

arxiv: 1302.3669 · arxiv_version: 1302.3669v1 · doi: 10.48550/arxiv.1302.3669 · pith_short_12: X4HGKBQ27MAK · pith_short_16: X4HGKBQ27MAKMAB3 · pith_short_8: X4HGKBQ2

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/X4HGKBQ27MAKMAB3RA25V6MCRT \
  | 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: bf0e65061afb00a6003b8835daf9828cc584cc73a4b5b3bc0aca41b544207d84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8d7896bb2c31b2a142942655551c580870f3ed9bedf785e922083da36c59521",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-02-15T03:55:13Z",
    "title_canon_sha256": "26d5ad176304872b62e1b1680f44de7fe92e7780029ea4445757e2fc897a9f11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3669",
    "kind": "arxiv",
    "version": 1
  }
}