Pith Number

pith:A5XPUOEI

pith:2014:A5XPUOEIJL3NJJ4T4Z7IIWIMBG

not attested not anchored not stored refs pending

Combinatorial Redundancy Detection

Bernd G\"artner, Komei Fukuda, May Szedl\'ak

arxiv:1412.1241 v1 · 2014-12-03 · cs.CG · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A5XPUOEIJL3NJJ4T4Z7IIWIMBG}

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	2026-05-18T02:32:13.036535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

076efa38884af6d4a793e67e84590c09bc5aa0c9966845ca8d0a99a9c9b25b94

Aliases

arxiv: 1412.1241 · arxiv_version: 1412.1241v1 · doi: 10.48550/arxiv.1412.1241 · pith_short_12: A5XPUOEIJL3N · pith_short_16: A5XPUOEIJL3NJJ4T · pith_short_8: A5XPUOEI

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/A5XPUOEIJL3NJJ4T4Z7IIWIMBG \
  | 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: 076efa38884af6d4a793e67e84590c09bc5aa0c9966845ca8d0a99a9c9b25b94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14800d57d7711fb5a2f62688a8b1808816a60bb3a1ee94d2dd85af4608677eec",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-12-03T09:09:32Z",
    "title_canon_sha256": "47ce60cd5b048be5964e81620b8c34ed6221eded72af096af739a21c64ec72af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1241",
    "kind": "arxiv",
    "version": 1
  }
}