Pith Number

pith:GUKUQ4JV

pith:2016:GUKUQ4JV3SNYHSXYSH4CPX7PSX

not attested not anchored not stored refs pending

Anytime answer set optimization via unsatisfiable core shrinking

Carmine Dodaro, Mario Alviano

arxiv:1608.00731 v1 · 2016-08-02 · 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{GUKUQ4JV3SNYHSXYSH4CPX7PSX}

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	2026-05-18T01:10:01.201443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3515487135dc9b83caf891f827dfef95f6bb66c9167dd223bce22a69e595dfb8

Aliases

arxiv: 1608.00731 · arxiv_version: 1608.00731v1 · doi: 10.48550/arxiv.1608.00731 · pith_short_12: GUKUQ4JV3SNY · pith_short_16: GUKUQ4JV3SNYHSXY · pith_short_8: GUKUQ4JV

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/GUKUQ4JV3SNYHSXYSH4CPX7PSX \
  | 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: 3515487135dc9b83caf891f827dfef95f6bb66c9167dd223bce22a69e595dfb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f5c5c715adbe13f2e07cdbaf657066974dca63f24dd280ab9933aea198bd41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-08-02T08:36:53Z",
    "title_canon_sha256": "668d87ca12af44b4ccff6e340c950f7c46a00f924d838813a3e18c48dd42415e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00731",
    "kind": "arxiv",
    "version": 1
  }
}