Pith Number

pith:GYLDQWZW

pith:2013:GYLDQWZWDTCTP6FTCQVIJ27E7D

not attested not anchored not stored refs pending

Satisfiability and Evolution

Adi Livnat, Andrew Wan, Aviad Rubinstein, Christos Papadimitriou, Gregory Valiant

arxiv:1312.1983 v3 · 2013-12-06 · cs.CC · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYLDQWZWDTCTP6FTCQVIJ27E7D}

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	2026-05-18T02:45:23.250068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3616385b361cc537f8b3142a84ebe4f8db4af8e02dfad36aeda5f3c25e9b2f04

Aliases

arxiv: 1312.1983 · arxiv_version: 1312.1983v3 · doi: 10.48550/arxiv.1312.1983 · pith_short_12: GYLDQWZWDTCT · pith_short_16: GYLDQWZWDTCTP6FT · pith_short_8: GYLDQWZW

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/GYLDQWZWDTCTP6FTCQVIJ27E7D \
  | 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: 3616385b361cc537f8b3142a84ebe4f8db4af8e02dfad36aeda5f3c25e9b2f04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa562e5ce36a8e760346855566f389568dfda11207ee9d547961ce84db442f3",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-12-06T19:59:41Z",
    "title_canon_sha256": "00a7b5f5024091a55f93a3c61aadca42908a05460308d77a18a802b46da8b623"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1983",
    "kind": "arxiv",
    "version": 3
  }
}