Pith Number

pith:ZX7QEHWH

pith:2014:ZX7QEHWHLL5X4HXNENEIRHSTKF

not attested not anchored not stored refs pending

Using Tabled Logic Programming to Solve the Petrobras Planning Problem

Neng-Fa Zhou, Roman Bart\'ak

arxiv:1405.2501 v1 · 2014-05-11 · 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{ZX7QEHWHLL5X4HXNENEIRHSTKF}

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	2026-05-18T02:52:05.384106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdff021ec75afb7e1eed2348889e535148f4b4baea83b3108738fdcf6c28f1cd

Aliases

arxiv: 1405.2501 · arxiv_version: 1405.2501v1 · doi: 10.48550/arxiv.1405.2501 · pith_short_12: ZX7QEHWHLL5X · pith_short_16: ZX7QEHWHLL5X4HXN · pith_short_8: ZX7QEHWH

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/ZX7QEHWHLL5X4HXNENEIRHSTKF \
  | 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: cdff021ec75afb7e1eed2348889e535148f4b4baea83b3108738fdcf6c28f1cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4800e431d3fc3bf6918bdd3e6af9f6541bb27df15226f19d375e3b6ba010faf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-05-11T06:38:25Z",
    "title_canon_sha256": "63b8d744455f8c0d74576907ef27a7e884719d27a3c01ff9b517c0c1198cdc51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2501",
    "kind": "arxiv",
    "version": 1
  }
}