Pith Number

pith:QOB3LMUY

pith:2013:QOB3LMUYO3NOODVH4LZ4CLAB7M

not attested not anchored not stored refs pending

Topology of random simplicial complexes: a survey

Matthew Kahle

arxiv:1301.7165 v2 · 2013-01-30 · math.AT · math.CO · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOB3LMUYO3NOODVH4LZ4CLAB7M}

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	2026-05-18T03:09:22.591223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8383b5b29876dae70ea7e2f3c12c01fb257e9409df9677fdeeef7e288cf0345b

Aliases

arxiv: 1301.7165 · arxiv_version: 1301.7165v2 · doi: 10.48550/arxiv.1301.7165 · pith_short_12: QOB3LMUYO3NO · pith_short_16: QOB3LMUYO3NOODVH · pith_short_8: QOB3LMUY

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/QOB3LMUYO3NOODVH4LZ4CLAB7M \
  | 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: 8383b5b29876dae70ea7e2f3c12c01fb257e9409df9677fdeeef7e288cf0345b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615524ccfe92ffeccf4a4e45bcee5ef0e06a6f0fb557b040e6216268c27fa07c",
    "cross_cats_sorted": [
      "math.CO",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-01-30T08:52:18Z",
    "title_canon_sha256": "2570d3633420c3f1caffac63eba96e9ae25c7bb4adbee036f0c5af805e0950a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7165",
    "kind": "arxiv",
    "version": 2
  }
}