Pith Number

pith:DVXYBF7J

pith:2012:DVXYBF7JM255KGW7VWDX2JQNC7

not attested not anchored not stored refs pending

Generalising unit-refutation completeness and SLUR via nested input resolution

Matthew Gwynne, Oliver Kullmann

arxiv:1204.6529 v5 · 2012-04-29 · 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{DVXYBF7JM255KGW7VWDX2JQNC7}

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	2026-05-18T01:41:00.357088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d6f8097e966bbd51adfad877d260d17c34875a900fce8da17a031e89c1d1d13

Aliases

arxiv: 1204.6529 · arxiv_version: 1204.6529v5 · doi: 10.48550/arxiv.1204.6529 · pith_short_12: DVXYBF7JM255 · pith_short_16: DVXYBF7JM255KGW7 · pith_short_8: DVXYBF7J

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/DVXYBF7JM255KGW7VWDX2JQNC7 \
  | 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: 1d6f8097e966bbd51adfad877d260d17c34875a900fce8da17a031e89c1d1d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5376b3f83570df1332187e6a6a444c9cefb520aa58ec1a6783b35f755daa873",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-04-29T23:56:03Z",
    "title_canon_sha256": "4c4ab8b954229dc09749aca2fae9e30828152666b3bf8e3c93c77774ed98e2de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6529",
    "kind": "arxiv",
    "version": 5
  }
}