Pith Number

pith:LMRZN35G

pith:2006:LMRZN35GY5FUVGJ7HJGIZ4SO2Y

not attested not anchored not stored refs pending

Algorithmic correspondence and completeness in modal logic. I. The core algorithm SQEMA

Dimiter Vakarelov, Valentin Goranko, Willem Conradie

arxiv:cs/0602024 v4 · 2006-02-07 · 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{LMRZN35GY5FUVGJ7HJGIZ4SO2Y}

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	2026-05-18T00:53:03.403874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b2396efa6c74b4a993f3a4c8cf24ed6126a2a8d9dae7a189bfe0a69bf0c628e

Aliases

arxiv: cs/0602024 · arxiv_version: cs/0602024v4 · doi: 10.48550/arxiv.cs/0602024 · pith_short_12: LMRZN35GY5FU · pith_short_16: LMRZN35GY5FUVGJ7 · pith_short_8: LMRZN35G

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/LMRZN35GY5FUVGJ7HJGIZ4SO2Y \
  | 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: 5b2396efa6c74b4a993f3a4c8cf24ed6126a2a8d9dae7a189bfe0a69bf0c628e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a16738b90438f1242478c59d31b73450ddce797e370ee53db38b5a2c0fc6e8dc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2006-02-07T10:10:12Z",
    "title_canon_sha256": "0d047a3cdf2b088df9c59721ecbb31f59863ffb6a09d8cd497f2f7067b596388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0602024",
    "kind": "arxiv",
    "version": 4
  }
}