Pith Number

pith:YKGI2JEN

pith:2006:YKGI2JENIK6Y6HU2AGIGNBNP4P

not attested not anchored not stored refs pending

Yet Another Efficient Unification Algorithm

Alin Suciu

arxiv:cs/0603080 v1 · 2006-03-20 · cs.LO · 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{YKGI2JENIK6Y6HU2AGIGNBNP4P}

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	2026-07-04T14:53:52.506272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c28c8d248d42bd8f1e9a01906685afe3d45fd154ff52d7a4dc1a5a910c97a839

Aliases

arxiv: cs/0603080 · arxiv_version: cs/0603080v1 · doi: 10.48550/arxiv.cs/0603080 · pith_short_12: YKGI2JENIK6Y · pith_short_16: YKGI2JENIK6Y6HU2 · pith_short_8: YKGI2JEN

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/YKGI2JENIK6Y6HU2AGIGNBNP4P \
  | 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: c28c8d248d42bd8f1e9a01906685afe3d45fd154ff52d7a4dc1a5a910c97a839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77458039b750e5a6e8f3ad852e1d15050714aebff69340fc8a50c3f56335cb7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2006-03-20T20:15:38Z",
    "title_canon_sha256": "7a70560581a6b106e6803f67d47174f6ed3fb21d855310c17d7d555a2051ac0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0603080",
    "kind": "arxiv",
    "version": 1
  }
}