Pith Number

pith:ESM6JLJJ

pith:2011:ESM6JLJJGU3FNGCVNGB4CKR27X

not attested not anchored not stored refs pending

Origins of Answer-Set Programming - Some Background And Two Personal Accounts

Ilkka Niemela, Miroslaw Truszczynski, Victor W. Marek

arxiv:1108.3281 v1 · 2011-08-16 · 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{ESM6JLJJGU3FNGCVNGB4CKR27X}

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	2026-05-18T04:15:27.617385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2499e4ad2935365698556983c12a3afdcd0b0858ac180565c0686ab8207ee1b8

Aliases

arxiv: 1108.3281 · arxiv_version: 1108.3281v1 · doi: 10.48550/arxiv.1108.3281 · pith_short_12: ESM6JLJJGU3F · pith_short_16: ESM6JLJJGU3FNGCV · pith_short_8: ESM6JLJJ

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/ESM6JLJJGU3FNGCVNGB4CKR27X \
  | 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: 2499e4ad2935365698556983c12a3afdcd0b0858ac180565c0686ab8207ee1b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95803018f252efbc9c741ec3a6fec8b24f8069a598abad10196d59644f77a719",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-08-16T16:53:41Z",
    "title_canon_sha256": "bde0d5d5b60788f2a65ce742a3c991d72a0ff2fa808fd24a48a308c02d007398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3281",
    "kind": "arxiv",
    "version": 1
  }
}