Pith Number

pith:LEF2B4CZ

pith:2011:LEF2B4CZQVPP5XN6OYVTHILNSY

not attested not anchored not stored refs pending

Anytime Heuristic Search

E. A. Hansen, R. Zhou

arxiv:1110.2737 v1 · 2011-10-12 · 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{LEF2B4CZQVPP5XN6OYVTHILNSY}

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	2026-05-18T04:11:07.621927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

590ba0f059855efeddbe762b33a16d96157a2f0fbf211aac2bce400eb831e405

Aliases

arxiv: 1110.2737 · arxiv_version: 1110.2737v1 · doi: 10.48550/arxiv.1110.2737 · pith_short_12: LEF2B4CZQVPP · pith_short_16: LEF2B4CZQVPP5XN6 · pith_short_8: LEF2B4CZ

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/LEF2B4CZQVPP5XN6OYVTHILNSY \
  | 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: 590ba0f059855efeddbe762b33a16d96157a2f0fbf211aac2bce400eb831e405

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2492836f597daa1f9798ae69f93fc5d756f451f967423ab4727c69f0e7af9b41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-10-12T18:21:59Z",
    "title_canon_sha256": "2c313c5bb61b6b165f847b333bd1da5f6d2f6353d70bd1f7fb33b500f851768f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2737",
    "kind": "arxiv",
    "version": 1
  }
}