Pith Number

pith:CYZ7BWE5

pith:2014:CYZ7BWE5BJRXK7E5QN3DRBBUJB

not attested not anchored not stored refs pending

Customizable Contraction Hierarchies

Ben Strasser, Dorothea Wagner, Julian Dibbelt

arxiv:1402.0402 v5 · 2014-02-03 · cs.DS · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYZ7BWE5BJRXK7E5QN3DRBBUJB}

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	2026-05-18T01:34:59.397253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1633f0d89d0a63757c9d83763884344852638e7b35ea8c72a7e9a9198b08022e

Aliases

arxiv: 1402.0402 · arxiv_version: 1402.0402v5 · doi: 10.48550/arxiv.1402.0402 · pith_short_12: CYZ7BWE5BJRX · pith_short_16: CYZ7BWE5BJRXK7E5 · pith_short_8: CYZ7BWE5

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/CYZ7BWE5BJRXK7E5QN3DRBBUJB \
  | 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: 1633f0d89d0a63757c9d83763884344852638e7b35ea8c72a7e9a9198b08022e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c1abb14b575ae6704ad3a938dcae1ce337d031393909e218ad7adc0f75084e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-02-03T15:38:27Z",
    "title_canon_sha256": "552fad6606119c0991b6adf4e6a0f315fcee512ad32158bfe5fd177741fb5a56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0402",
    "kind": "arxiv",
    "version": 5
  }
}