Pith Number

pith:3DTCIV2G

pith:2022:3DTCIV2GDFYU5I73WER2VLHN55

not attested not anchored not stored refs pending

PVS Embeddings of Propositional and Quantified Modal Logic

John Rushby

arxiv:2205.06391 v1 · 2022-05-12 · 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{3DTCIV2GDFYU5I73WER2VLHN55}

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	2026-07-05T04:22:57.081951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8e624574619714ea3fbb123aaacedef5c84eb10831a6efcc0b85b9f51cbf962

Aliases

arxiv: 2205.06391 · arxiv_version: 2205.06391v1 · doi: 10.48550/arxiv.2205.06391 · pith_short_12: 3DTCIV2GDFYU · pith_short_16: 3DTCIV2GDFYU5I73 · pith_short_8: 3DTCIV2G

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/3DTCIV2GDFYU5I73WER2VLHN55 \
  | 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: d8e624574619714ea3fbb123aaacedef5c84eb10831a6efcc0b85b9f51cbf962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dce416f6fa51d2bda754018325621af310a9ba21a5c2432bf7199af0697e19a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2022-05-12T22:44:29Z",
    "title_canon_sha256": "ef09fe04a0f6c9de531bc71ca1adcafc3634aed5f07a4694b17fc5131ce1995c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.06391",
    "kind": "arxiv",
    "version": 1
  }
}