Pith Number

pith:W754KB2M

pith:2009:W754KB2MOMYNQBUKJIJQGARA5Y

not attested not anchored not stored refs pending

Automating Access Control Logics in Simple Type Theory with LEO-II

Christoph Benzmueller

arxiv:0901.3574 v2 · 2009-01-23 · 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{W754KB2MOMYNQBUKJIJQGARA5Y}

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	2026-05-18T02:14:56.185357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7fbc5074c7330d8068a4a13030220ee35b059366ac9ec4fe2139a531cec16b5

Aliases

arxiv: 0901.3574 · arxiv_version: 0901.3574v2 · doi: 10.48550/arxiv.0901.3574 · pith_short_12: W754KB2MOMYN · pith_short_16: W754KB2MOMYNQBUK · pith_short_8: W754KB2M

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/W754KB2MOMYNQBUKJIJQGARA5Y \
  | 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: b7fbc5074c7330d8068a4a13030220ee35b059366ac9ec4fe2139a531cec16b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403978c33136730829b8892550be058229432486bc65584d652b8f8d0e249c01",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2009-01-23T17:20:17Z",
    "title_canon_sha256": "d1e38dde3ee1bc94cacfe28dee1aa3dca21eea327d4771de8d1588800fff921a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3574",
    "kind": "arxiv",
    "version": 2
  }
}