Pith Number

pith:LCQPOWCV

pith:2007:LCQPOWCVHKYET5GMBXDHMQ6CLH

not attested not anchored not stored refs pending

Structure and Problem Hardness: Goal Asymmetry and DPLL Proofs in<br> SAT-Based Planning

Bart Selman, Carla Gomes, Joerg Hoffmann

arxiv:cs/0701184 v2 · 2007-01-29 · 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{LCQPOWCVHKYET5GMBXDHMQ6CLH}

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	2026-05-18T00:53:03.232790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58a0f758553ab049f4cc0dc67643c259f3897340596385183ccacdd21fcf7f57

Aliases

arxiv: cs/0701184 · arxiv_version: cs/0701184v2 · doi: 10.48550/arxiv.cs/0701184 · pith_short_12: LCQPOWCVHKYE · pith_short_16: LCQPOWCVHKYET5GM · pith_short_8: LCQPOWCV

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/LCQPOWCVHKYET5GMBXDHMQ6CLH \
  | 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: 58a0f758553ab049f4cc0dc67643c259f3897340596385183ccacdd21fcf7f57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3afa66107673c3f8d59cef0acddb454e647b3dd5744743add0c8f253e44830b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.AI",
    "submitted_at": "2007-01-29T12:47:08Z",
    "title_canon_sha256": "d57c9379e458f2db830cb9fa5bd6ce195dbaa22a1c01a3ca873d0a070e945b70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0701184",
    "kind": "arxiv",
    "version": 2
  }
}