Pith Number

pith:H63NURVB

pith:2007:H63NURVB2ELNS5OV4ZE7VAVLAF

not attested not anchored not stored refs pending

Logic Programming with Satisfiability

Michael Codish, Peter J. Stuckey, Vitaly Lagoon

arxiv:cs/0702072 v1 · 2007-02-13 · 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{H63NURVB2ELNS5OV4ZE7VAVLAF}

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	2026-05-18T04:41:26.387250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fb6da46a1d116d975d5e649fa82ab0150703ee886305bf24a2af82a2c9803da

Aliases

arxiv: cs/0702072 · arxiv_version: cs/0702072v1 · doi: 10.48550/arxiv.cs/0702072 · pith_short_12: H63NURVB2ELN · pith_short_16: H63NURVB2ELNS5OV · pith_short_8: H63NURVB

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/H63NURVB2ELNS5OV4ZE7VAVLAF \
  | 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: 3fb6da46a1d116d975d5e649fa82ab0150703ee886305bf24a2af82a2c9803da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f41c9f22ea010dbfbb1aa97b86fc4326b3592489085ab216588080600a718471",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "",
    "primary_cat": "cs.PL",
    "submitted_at": "2007-02-13T03:10:02Z",
    "title_canon_sha256": "60457cbd3f35c083f9cd36030601851b2445f281902629e9398545859c6dd3bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0702072",
    "kind": "arxiv",
    "version": 1
  }
}