Pith Number

pith:YPC766YE

pith:2013:YPC766YEYWYARMMDGK3P4WJBZW

not attested not anchored not stored refs pending

An exact algorithm for 1-in-3 SAT

\'Edouard Bonnet, Vangelis Th. Paschos

arxiv:1307.5776 v2 · 2013-07-22 · 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{YPC766YEYWYARMMDGK3P4WJBZW}

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	2026-05-18T03:17:24.053071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c5ff7b04c5b008b18332b6fe5921cdb388297ab8677d7d0222aa4156ea5fe8

Aliases

arxiv: 1307.5776 · arxiv_version: 1307.5776v2 · doi: 10.48550/arxiv.1307.5776 · pith_short_12: YPC766YEYWYA · pith_short_16: YPC766YEYWYARMMD · pith_short_8: YPC766YE

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/YPC766YEYWYARMMDGK3P4WJBZW \
  | 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: c3c5ff7b04c5b008b18332b6fe5921cdb388297ab8677d7d0222aa4156ea5fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a39c0ce5dc9b9b05f39adaabf0d8beb60007a23de0279ebd14fb72565dc6a7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-07-22T17:02:36Z",
    "title_canon_sha256": "018dd1c428c080883f950d7584ee1305c4828911f50e87884bea2a4889d28728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5776",
    "kind": "arxiv",
    "version": 2
  }
}