Pith Number

pith:6PDWVQBU

pith:2014:6PDWVQBU2AP6FKUS5PLMTDMXVN

not attested not anchored not stored refs pending

Second-Order Propositional Satisfiability

Cristina David, Daniel Kroening, Matt Lewis

arxiv:1409.4925 v4 · 2014-09-17 · 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{6PDWVQBU2AP6FKUS5PLMTDMXVN}

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	2026-05-18T02:29:10.638288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3c76ac034d01fe2aa92ebd6c98d97ab45e21a6ec555787cabb7dabfd6b22711

Aliases

arxiv: 1409.4925 · arxiv_version: 1409.4925v4 · doi: 10.48550/arxiv.1409.4925 · pith_short_12: 6PDWVQBU2AP6 · pith_short_16: 6PDWVQBU2AP6FKUS · pith_short_8: 6PDWVQBU

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/6PDWVQBU2AP6FKUS5PLMTDMXVN \
  | 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: f3c76ac034d01fe2aa92ebd6c98d97ab45e21a6ec555787cabb7dabfd6b22711

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a10b8b6755f7ca796291f29f3f701fd2faf5d638d4ea68365a33e9ecdc6202",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-09-17T09:44:43Z",
    "title_canon_sha256": "86441ff848041bf429f21246a66f5b9f059b8cfeeef200d545969aab30444a0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4925",
    "kind": "arxiv",
    "version": 4
  }
}