Pith Number

pith:32TFFTKV

pith:2012:32TFFTKVUAB75ERCZBOESWAHRJ

not attested not anchored not stored refs pending

The SeqBin Constraint Revisited

George Katsirelos, Nina Narodytska, Toby Walsh

arxiv:1207.1811 v1 · 2012-07-07 · 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{32TFFTKVUAB75ERCZBOESWAHRJ}

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	2026-05-18T02:21:08.459795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dea652cd55a003fe9222c85c4958078a54f29419959ed68c5cf4f370f04f576c

Aliases

arxiv: 1207.1811 · arxiv_version: 1207.1811v1 · doi: 10.48550/arxiv.1207.1811 · pith_short_12: 32TFFTKVUAB7 · pith_short_16: 32TFFTKVUAB75ERC · pith_short_8: 32TFFTKV

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/32TFFTKVUAB75ERCZBOESWAHRJ \
  | 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: dea652cd55a003fe9222c85c4958078a54f29419959ed68c5cf4f370f04f576c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2c34f5c55439fa4112369d39fd79abcf7070dad76c64fe535173c5b82c6374d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-07-07T16:21:53Z",
    "title_canon_sha256": "335a0f4d43d04658b165fe14dc2a707502a4e6c3a8f6d3129e4a6176f8521b21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1811",
    "kind": "arxiv",
    "version": 1
  }
}