Pith Number

pith:4QMLXKRV

pith:2010:4QMLXKRVUPDP7M5KIVQSYL4JVX

not attested not anchored not stored refs pending

Open Graphs and Computational Reasoning

Aleks Kissinger (University of Oxford), Lucas Dixon (University of Edinburgh), Ross Duncan (University of Oxford)

arxiv:1007.3794 v1 · 2010-07-22 · cs.LO · cs.MS · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QMLXKRVUPDP7M5KIVQSYL4JVX}

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.

Cited by

1 paper in Pith

Foundations of Digital Circuits: Denotation, Operational, and Algebraic Semantics

Receipt and verification

First computed	2026-07-04T17:32:03.875462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e418bbaa35a3c6ffb3aa45612c2f89add29a19dbd9e4321f111503c92948ff38

Aliases

arxiv: 1007.3794 · arxiv_version: 1007.3794v1 · doi: 10.48550/arxiv.1007.3794 · pith_short_12: 4QMLXKRVUPDP · pith_short_16: 4QMLXKRVUPDP7M5K · pith_short_8: 4QMLXKRV

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/4QMLXKRVUPDP7M5KIVQSYL4JVX \
  | 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: e418bbaa35a3c6ffb3aa45612c2f89add29a19dbd9e4321f111503c92948ff38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "698c61bcb98d597d69fe6d6416a8c966c558b47481a5544801b079a9b58ea24a",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2010-07-22T03:31:39Z",
    "title_canon_sha256": "dee426caaea5405f8ffad9daec853e3e320ee16dafa2afcf1e3a37461fc798b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3794",
    "kind": "arxiv",
    "version": 1
  }
}