Pith Number

pith:QUL2G5ZT

pith:2015:QUL2G5ZTASZAQETKO236CL5BC3

not attested not anchored not stored refs pending

Unary probabilistic and quantum automata on promise problems

Abuzer Yakaryilmaz, Aida Gainutdinova

arxiv:1502.01462 v2 · 2015-02-05 · cs.CC · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QUL2G5ZTASZAQETKO236CL5BC3}

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	2026-05-18T02:25:04.434146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8517a3773304b208126a76b7e12fa116d739d7a33139ea19e012f3a21ff7bc0a

Aliases

arxiv: 1502.01462 · arxiv_version: 1502.01462v2 · doi: 10.48550/arxiv.1502.01462 · pith_short_12: QUL2G5ZTASZA · pith_short_16: QUL2G5ZTASZAQETK · pith_short_8: QUL2G5ZT

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/QUL2G5ZTASZAQETKO236CL5BC3 \
  | 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: 8517a3773304b208126a76b7e12fa116d739d7a33139ea19e012f3a21ff7bc0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f47a44c3f99cd0b3b3f521aa219a5738d5f5f4318ac6e071a5d4bcaa6d8d5129",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-02-05T08:53:07Z",
    "title_canon_sha256": "7b91dc8ecee74c53a43c68a372fc945f35b162c8a9aa2d9af9e0e8395627120e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01462",
    "kind": "arxiv",
    "version": 2
  }
}