Pith Number

pith:EKXBU3JE

pith:2004:EKXBU3JEFWWOQLCSPDQYGQGL5K

not attested not anchored not stored refs pending

Normal forms for Answer Sets Programming

Alessandro Provetti, Stefania Costantini

arxiv:cs/0410014 v1 · 2004-10-06 · 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{EKXBU3JEFWWOQLCSPDQYGQGL5K}

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	2026-05-18T01:06:49.231322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ae1a6d242dace82c5278e18340cbea984abe75c78daa29038f3e2fc8a57b66

Aliases

arxiv: cs/0410014 · arxiv_version: cs/0410014v1 · doi: 10.48550/arxiv.cs/0410014 · pith_short_12: EKXBU3JEFWWO · pith_short_16: EKXBU3JEFWWOQLCS · pith_short_8: EKXBU3JE

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/EKXBU3JEFWWOQLCSPDQYGQGL5K \
  | 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: 22ae1a6d242dace82c5278e18340cbea984abe75c78daa29038f3e2fc8a57b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6bd6789e659317ecef6502e65441d5c1c81a60462350ed3fe7c719c8aa59ffe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.AI",
    "submitted_at": "2004-10-06T15:01:50Z",
    "title_canon_sha256": "8a512cb994c51892d8fc674d9dd9ba8b8eaebbd86f0621d6440da025fa28df39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0410014",
    "kind": "arxiv",
    "version": 1
  }
}