Pith Number

pith:QRPPPWRE

pith:2011:QRPPPWREXFCYT6GRJAIO4ZOMT2

not attested not anchored not stored refs pending

The SeaLion has Landed: An IDE for Answer-Set Programming---Preliminary Report

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

arxiv:1109.3989 v2 · 2011-09-19 · 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{QRPPPWREXFCYT6GRJAIO4ZOMT2}

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	2026-05-18T04:11:17.584309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845ef7da24b94589f8d14810ee65cc9ead05436592b2a2879e5fdc4d639497b6

Aliases

arxiv: 1109.3989 · arxiv_version: 1109.3989v2 · doi: 10.48550/arxiv.1109.3989 · pith_short_12: QRPPPWREXFCY · pith_short_16: QRPPPWREXFCYT6GR · pith_short_8: QRPPPWRE

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/QRPPPWREXFCYT6GRJAIO4ZOMT2 \
  | 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: 845ef7da24b94589f8d14810ee65cc9ead05436592b2a2879e5fdc4d639497b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d9e970a4930fada7b53d81a6fd37a0bd20cff8f83ee22863109bb54463eee1a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-09-19T10:24:28Z",
    "title_canon_sha256": "9cc2231cce4aa59b54d9c8282c70912b86b501d5a4297cabf92ffdb1d809aa02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3989",
    "kind": "arxiv",
    "version": 2
  }
}