Pith Number

pith:LPQKYTTK

pith:2015:LPQKYTTKQBIGDDMBWHSFAM4SUE

not attested not anchored not stored refs pending

Systematic Verification of the Modal Logic Cube in Isabelle/HOL

Christoph Benzm\"uller (Freie Universit\"at Berlin, Germany), Maximilian Claus (Freie Universit\"at Berlin, Nik Sultana (Cambridge University, UK)

arxiv:1507.08717 v1 · 2015-07-31 · 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{LPQKYTTKQBIGDDMBWHSFAM4SUE}

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	2026-05-18T01:36:03.084855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5be0ac4e6a8050618d81b1e4503392a1354793f865d79d749c367342a7942cd8

Aliases

arxiv: 1507.08717 · arxiv_version: 1507.08717v1 · doi: 10.48550/arxiv.1507.08717 · pith_short_12: LPQKYTTKQBIG · pith_short_16: LPQKYTTKQBIGDDMB · pith_short_8: LPQKYTTK

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/LPQKYTTKQBIGDDMBWHSFAM4SUE \
  | 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: 5be0ac4e6a8050618d81b1e4503392a1354793f865d79d749c367342a7942cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52ab31cfa313a68cb2bc25a6923af6baf624f8f79ba348fb713158d466cbf955",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-07-31T00:58:44Z",
    "title_canon_sha256": "cdbdfb53e37af61bcff7dc7a2814a5df2c3ea4124e5fe02aa4ca85b216ef2a66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08717",
    "kind": "arxiv",
    "version": 1
  }
}