Pith Number

pith:XRNML5OL

pith:2013:XRNML5OL64TKDIEUKWI2KNXZQ6

not attested not anchored not stored refs pending

Infinite Games Specified by 2-Tape Automata

IMJ), Olivier Finkel (ELM

arxiv:1312.3797 v1 · 2013-12-13 · cs.LO · cs.GT · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRNML5OL64TKDIEUKWI2KNXZQ6}

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	2026-05-18T03:04:47.584186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5ac5f5cbf726a1a0945591a536f98795ffb8ef1650fa4a1b8a5e84cbc9dc0e

Aliases

arxiv: 1312.3797 · arxiv_version: 1312.3797v1 · doi: 10.48550/arxiv.1312.3797 · pith_short_12: XRNML5OL64TK · pith_short_16: XRNML5OL64TKDIEU · pith_short_8: XRNML5OL

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/XRNML5OL64TKDIEUKWI2KNXZQ6 \
  | 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: bc5ac5f5cbf726a1a0945591a536f98795ffb8ef1650fa4a1b8a5e84cbc9dc0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "770f864eb168fadfa7b1ff974c7bfabb855b1ee582f571e85bb69e7d919c0258",
    "cross_cats_sorted": [
      "cs.GT",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-12-13T12:50:37Z",
    "title_canon_sha256": "fa803cb81fc3c3812cd2555939b9fd3587681a14b1852c780586a75aea691e13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3797",
    "kind": "arxiv",
    "version": 1
  }
}