Pith Number

pith:Y422OSM3

pith:2011:Y422OSM3U7CJD5UYSJKVYFZICL

not attested not anchored not stored refs pending

Extending Object-Oriented Languages by Declarative Specifications of Complex Objects using Answer-Set Programming

Hans Tompits, Johannes Oetsch, J\"org P\"uhrer

arxiv:1112.0922 v2 · 2011-12-05 · cs.PL · 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{Y422OSM3U7CJD5UYSJKVYFZICL}

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	2026-05-18T02:21:28.033246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c735a7499ba7c491f69892555c172812ccc508e547e040884b86395f55df3a75

Aliases

arxiv: 1112.0922 · arxiv_version: 1112.0922v2 · doi: 10.48550/arxiv.1112.0922 · pith_short_12: Y422OSM3U7CJ · pith_short_16: Y422OSM3U7CJD5UY · pith_short_8: Y422OSM3

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/Y422OSM3U7CJD5UYSJKVYFZICL \
  | 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: c735a7499ba7c491f69892555c172812ccc508e547e040884b86395f55df3a75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b26ed915b886d9818b93d56bd229108e12692e92c28996ac3b274286e113013",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-12-05T13:28:53Z",
    "title_canon_sha256": "c761844a6fa8f1aab1064ab5d0fa285cd38170ef1bab384fee6e179772e0aad9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0922",
    "kind": "arxiv",
    "version": 2
  }
}