Pith Number

pith:NSPHCM6C

pith:2011:NSPHCM6CIUUQ3JUQHC7LHPQB5A

not attested not anchored not stored refs pending

Deciding the Value 1 Problem of Probabilistic Leaktight Automata

Hugo Gimbert (LaBRI), LIAFA), Nathana\"el Fijalkow (ENS Cachan, Youssouf Oualhadj (LaBRI)

arxiv:1104.3055 v5 · 2011-04-14 · cs.FL · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSPHCM6CIUUQ3JUQHC7LHPQB5A}

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	2026-05-18T04:03:54.530062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c9e7133c245290da69038beb3be01e832c289d8d40c0d0dbbfe26d1c5976d7d

Aliases

arxiv: 1104.3055 · arxiv_version: 1104.3055v5 · doi: 10.48550/arxiv.1104.3055 · pith_short_12: NSPHCM6CIUUQ · pith_short_16: NSPHCM6CIUUQ3JUQ · pith_short_8: NSPHCM6C

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/NSPHCM6CIUUQ3JUQHC7LHPQB5A \
  | 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: 6c9e7133c245290da69038beb3be01e832c289d8d40c0d0dbbfe26d1c5976d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "609af78de959e85cec5d5e85c49da3bb202ac75811bd71c2a4a824b162f38641",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-04-14T09:49:19Z",
    "title_canon_sha256": "3f6f6e5048999ebf7bf66e697eeb9da98d5826d1bc1d1ae8ddd5104a6bf295f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3055",
    "kind": "arxiv",
    "version": 5
  }
}