Pith Number

pith:ZFBPJ5RW

pith:2014:ZFBPJ5RWJXOPK6S5LI6YDJONVR

not attested not anchored not stored refs pending

Computing Small Unsatisfiable Cores in Satisfiability Modulo Theories

Alberto Griggio, Alessandro Cimatti, Roberto Sebastiani

arxiv:1401.3878 v1 · 2014-01-16 · cs.LO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFBPJ5RWJXOPK6S5LI6YDJONVR}

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	2026-05-18T03:02:06.306379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c942f4f6364ddcf57a5d5a3d81a5cdac5c20154d1062782a6b18d3eda16a30ff

Aliases

arxiv: 1401.3878 · arxiv_version: 1401.3878v1 · doi: 10.48550/arxiv.1401.3878 · pith_short_12: ZFBPJ5RWJXOP · pith_short_16: ZFBPJ5RWJXOPK6S5 · pith_short_8: ZFBPJ5RW

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/ZFBPJ5RWJXOPK6S5LI6YDJONVR \
  | 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: c942f4f6364ddcf57a5d5a3d81a5cdac5c20154d1062782a6b18d3eda16a30ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c46994edfc3be4fef2e395e95f110ae92d6f3afdad3eee85e27e2102be171455",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-01-16T05:11:40Z",
    "title_canon_sha256": "889b8495c201b12b05d26168d58ab064fdadacc2722ae401f8db5ac4f93029e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3878",
    "kind": "arxiv",
    "version": 1
  }
}