Pith Number

pith:OFMO32S3

pith:2012:OFMO32S3HCC5Z7D22NP3YNKKQG

not attested not anchored not stored refs pending

Combining Deduction Modulo and Logics of Fixed-Point Definitions

David Baelde, Gopalan Nadathur

arxiv:1204.6236 v1 · 2012-04-27 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFMO32S3HCC5Z7D22NP3YNKKQG}

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	2026-05-18T03:56:46.676229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7158edea5b3885dcfc7ad35fbc354a81b6a30ca9dbd785e14f67cfe95b464109

Aliases

arxiv: 1204.6236 · arxiv_version: 1204.6236v1 · doi: 10.48550/arxiv.1204.6236 · pith_short_12: OFMO32S3HCC5 · pith_short_16: OFMO32S3HCC5Z7D2 · pith_short_8: OFMO32S3

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/OFMO32S3HCC5Z7D22NP3YNKKQG \
  | 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: 7158edea5b3885dcfc7ad35fbc354a81b6a30ca9dbd785e14f67cfe95b464109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "956f317d6bc699b0bd9b22b238ac4bec7b3e56086820bb1f7fb1c8fc58c45951",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-04-27T15:05:10Z",
    "title_canon_sha256": "7bc7e0e9b28c69eaffe1e50815ecb7fabecc79e4ab1826db996f59647f2d502d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6236",
    "kind": "arxiv",
    "version": 1
  }
}