Pith Number

pith:BF7K2SFC

pith:2013:BF7K2SFCJSYAHOS3KOGR5WP27D

not attested not anchored not stored refs pending

Directed Reduction Algorithms and Decomposable Graphs

Kim-Leng Poh, Ross D. Shachter, Stig K. Andersen

arxiv:1304.1110 v1 · 2013-03-27 · 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{BF7K2SFCJSYAHOS3KOGR5WP27D}

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	2026-05-18T03:29:04.664935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097ead48a24cb003ba5b538d1ed9faf8d0472ed0a672898655af742872bb3cb5

Aliases

arxiv: 1304.1110 · arxiv_version: 1304.1110v1 · doi: 10.48550/arxiv.1304.1110 · pith_short_12: BF7K2SFCJSYA · pith_short_16: BF7K2SFCJSYAHOS3 · pith_short_8: BF7K2SFC

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/BF7K2SFCJSYAHOS3KOGR5WP27D \
  | 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: 097ead48a24cb003ba5b538d1ed9faf8d0472ed0a672898655af742872bb3cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ee843d6608e910f79c675df3a3d5c03d2a48a3eea902ea83c65ac84194b1596",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-03-27T13:57:14Z",
    "title_canon_sha256": "7495205978d64313b0afa01eb06ddc9b775d262e9b101decdead532f93dd8d1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1110",
    "kind": "arxiv",
    "version": 1
  }
}