Pith Number

pith:ALF4NCUH

pith:2013:ALF4NCUH65QQI743T3OET6VUV3

not attested not anchored not stored refs pending

Extending a metric on a simplicial complex

Adam Mole

arxiv:1309.0981 v1 · 2013-09-04 · math.AT · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALF4NCUH65QQI743T3OET6VUV3}

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	2026-05-18T03:14:09.430123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02cbc68a87f761047f9b9edc49fab4aed05e5a1af0aa9403fb2e14e89bd16c36

Aliases

arxiv: 1309.0981 · arxiv_version: 1309.0981v1 · doi: 10.48550/arxiv.1309.0981 · pith_short_12: ALF4NCUH65QQ · pith_short_16: ALF4NCUH65QQI743 · pith_short_8: ALF4NCUH

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/ALF4NCUH65QQI743T3OET6VUV3 \
  | 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: 02cbc68a87f761047f9b9edc49fab4aed05e5a1af0aa9403fb2e14e89bd16c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3043623bd54332a47dd372523dcfcea48d9ee3777edb93943ddc44c7b548f515",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-09-04T11:30:44Z",
    "title_canon_sha256": "fa0de643ceb2e00a7648482ca529e3b8b6aa8771c6c3a10bfee676a52193375e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0981",
    "kind": "arxiv",
    "version": 1
  }
}