Pith Number

pith:5NLT3IRK

pith:2009:5NLT3IRKTUJOPNRZR4TTPOUZ44

not attested not anchored not stored refs pending

Quantum Logic in Dagger Kernel Categories

Bart Jacobs, Chris Heunen

arxiv:0902.2355 v3 · 2009-02-13 · math.LO · math.CT · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NLT3IRKTUJOPNRZR4TTPOUZ44}

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	2026-05-18T04:42:36.207640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb573da22a9d12e7b6398f2737ba99e726291046e618cf0438983dee8938f1b4

Aliases

arxiv: 0902.2355 · arxiv_version: 0902.2355v3 · doi: 10.48550/arxiv.0902.2355 · pith_short_12: 5NLT3IRKTUJO · pith_short_16: 5NLT3IRKTUJOPNRZ · pith_short_8: 5NLT3IRK

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/5NLT3IRKTUJOPNRZR4TTPOUZ44 \
  | 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: eb573da22a9d12e7b6398f2737ba99e726291046e618cf0438983dee8938f1b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d7ce879c972c01303aef9a8a97913b35107eabd7678495b985eb04c96bc818b",
    "cross_cats_sorted": [
      "math.CT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2009-02-13T17:27:41Z",
    "title_canon_sha256": "6b83e1122efe4a9ced42db4d9d29907d110e0d8d610fb8b980245d75e9020fb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2355",
    "kind": "arxiv",
    "version": 3
  }
}