Pith Number

pith:T77EBRDO

pith:1997:T77EBRDOZIYDQ2CAEGM6U7XZOE

not attested not anchored not stored refs pending

When Gravity Fails: Local Search Topology

J. Frank, J. Stutz, P. Cheeseman

arxiv:cs/9712101 v1 · 1997-12-01 · 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{T77EBRDOZIYDQ2CAEGM6U7XZOE}

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	2026-05-18T02:37:36.613934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ffe40c46eca303868402199ea7ef971347718bf9e077610a8caa2da11bb0322

Aliases

arxiv: cs/9712101 · arxiv_version: cs/9712101v1 · doi: 10.48550/arxiv.cs/9712101 · pith_short_12: T77EBRDOZIYD · pith_short_16: T77EBRDOZIYDQ2CA · pith_short_8: T77EBRDO

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/T77EBRDOZIYDQ2CAEGM6U7XZOE \
  | 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: 9ffe40c46eca303868402199ea7ef971347718bf9e077610a8caa2da11bb0322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d440bee9082ad3f1a856a80760a33d79c05fe8d8a20395fbe326e1f841d8be3c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.AI",
    "submitted_at": "1997-12-01T00:00:00Z",
    "title_canon_sha256": "9e23873b0eb3049f8584998e4c04b571d95ba1a3006886a2c41166d29b61705b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/9712101",
    "kind": "arxiv",
    "version": 1
  }
}