Pith Number

pith:APEITHZT

pith:2014:APEITHZTIGKIZ2V5KNCWGAQWAB

not attested not anchored not stored refs pending

A framework for good SAT translations, with applications to CNF representations of XOR constraints

Matthew Gwynne, Oliver Kullmann

arxiv:1406.7398 v2 · 2014-06-28 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APEITHZTIGKIZ2V5KNCWGAQWAB}

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	2026-05-18T02:45:49.228016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03c8899f3341948ceabd5345630216005273f711318798e4959244e37c51a807

Aliases

arxiv: 1406.7398 · arxiv_version: 1406.7398v2 · doi: 10.48550/arxiv.1406.7398 · pith_short_12: APEITHZTIGKI · pith_short_16: APEITHZTIGKIZ2V5 · pith_short_8: APEITHZT

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/APEITHZTIGKIZ2V5KNCWGAQWAB \
  | 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: 03c8899f3341948ceabd5345630216005273f711318798e4959244e37c51a807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8807c21f0592ebe0a6061aba6560aa0defbfc02ffe1e33c2d68521b123365f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-06-28T13:28:10Z",
    "title_canon_sha256": "7137695ba30723231e0324d25e09a466dfdb0661c2461f8973b4cb62a0dfdc4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7398",
    "kind": "arxiv",
    "version": 2
  }
}