Pith Number

pith:ALA3WGFP

pith:2014:ALA3WGFPXQQVHIQ2PIX4GJ45TY

not attested not anchored not stored refs pending

Classical automata on promise problems

Abuzer Yakaryilmaz, Viliam Geffert

arxiv:1405.6671 v2 · 2014-05-26 · cs.FL · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALA3WGFPXQQVHIQ2PIX4GJ45TY}

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	2026-05-18T02:40:01.833168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02c1bb18afbc2153a21a7a2fc3279d9e3476e5eeb9cbe2d32766cfd0bb597e37

Aliases

arxiv: 1405.6671 · arxiv_version: 1405.6671v2 · doi: 10.48550/arxiv.1405.6671 · pith_short_12: ALA3WGFPXQQV · pith_short_16: ALA3WGFPXQQVHIQ2 · pith_short_8: ALA3WGFP

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/ALA3WGFPXQQVHIQ2PIX4GJ45TY \
  | 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: 02c1bb18afbc2153a21a7a2fc3279d9e3476e5eeb9cbe2d32766cfd0bb597e37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b48d9a8f7f6a8c994060df93b038df19923775632ed09d17209859084634fd",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-05-26T18:34:55Z",
    "title_canon_sha256": "0f183d277daf5fcf890bb9c71addada27c8469fcf25283e29fcce8125258c15b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6671",
    "kind": "arxiv",
    "version": 2
  }
}