Pith Number

pith:HWSAZ6FO

pith:2011:HWSAZ6FOFZUFPRSWFWPJ3O2KD7

not attested not anchored not stored refs pending

Model-checking ATL under Imperfect Information and Perfect Recall Semantics is Undecidable

Catalin Dima, Ferucio Laurentiu Tiplea

arxiv:1102.4225 v1 · 2011-02-21 · cs.LO · cs.MA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWSAZ6FOFZUFPRSWFWPJ3O2KD7}

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	2026-05-18T04:28:10.697008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da40cf8ae2e6857c6562d9e9dbb4a1ffd9456cbd83a50abe71bb6980ca4f369

Aliases

arxiv: 1102.4225 · arxiv_version: 1102.4225v1 · doi: 10.48550/arxiv.1102.4225 · pith_short_12: HWSAZ6FOFZUF · pith_short_16: HWSAZ6FOFZUFPRSW · pith_short_8: HWSAZ6FO

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/HWSAZ6FOFZUFPRSWFWPJ3O2KD7 \
  | 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: 3da40cf8ae2e6857c6562d9e9dbb4a1ffd9456cbd83a50abe71bb6980ca4f369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a4d50b32c94bbc34b706f13954fbebcf06fad9c6e93dd274ce2fa8c46316971",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-02-21T13:48:39Z",
    "title_canon_sha256": "1ded0318f67eebef8300791d8a9902befe7a657a671852207a275b91b08f29e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4225",
    "kind": "arxiv",
    "version": 1
  }
}