Pith Number

pith:WKXOEYUG

pith:2021:WKXOEYUGPZQ7P2TBSWJDT4ND7M

not attested not anchored not stored refs pending

Efficient Explanations for Knowledge Compilation Languages

Alexey Ignatiev, Joao Marques-Silva, Martin C. Cooper, Nicholas Asher, Xuanxiang Huang, Yacine Izza

arxiv:2107.01654 v2 · 2021-07-04 · 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{WKXOEYUGPZQ7P2TBSWJDT4ND7M}

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	2026-07-05T02:56:16.977081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2aee262867e61f7ea61959239f1a3fb1e7019afb445b45b67b8120a9af98e3d

Aliases

arxiv: 2107.01654 · arxiv_version: 2107.01654v2 · doi: 10.48550/arxiv.2107.01654 · pith_short_12: WKXOEYUGPZQ7 · pith_short_16: WKXOEYUGPZQ7P2TB · pith_short_8: WKXOEYUG

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/WKXOEYUGPZQ7P2TBSWJDT4ND7M \
  | 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: b2aee262867e61f7ea61959239f1a3fb1e7019afb445b45b67b8120a9af98e3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8959546e62375e34b00ad61a75da418b2d9c2852e971c1023a959869cf14ffb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-07-04T14:45:32Z",
    "title_canon_sha256": "9931fd7bdf2dfa43e319049c6b41ddec16ae11e17cbe9149aad4105317b6fc82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.01654",
    "kind": "arxiv",
    "version": 2
  }
}