Pith Number

pith:6Z6XXXYF

pith:2019:6Z6XXXYFJUUUACJDN2H3U24VXU

not attested not anchored not stored refs pending

Good for Games Automata: From Nondeterminism to Alternation

Karoliina Lehtinen, Udi Boker

arxiv:1906.11624 v2 · 2019-06-27 · 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{6Z6XXXYFJUUUACJDN2H3U24VXU}

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	2026-05-17T23:42:01.909523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f67d7bdf054d294009236e8fba6b95bd3a7fc84805aca6132391f28a2c39ae2e

Aliases

arxiv: 1906.11624 · arxiv_version: 1906.11624v2 · doi: 10.48550/arxiv.1906.11624 · pith_short_12: 6Z6XXXYFJUUU · pith_short_16: 6Z6XXXYFJUUUACJD · pith_short_8: 6Z6XXXYF

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/6Z6XXXYFJUUUACJDN2H3U24VXU \
  | 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: f67d7bdf054d294009236e8fba6b95bd3a7fc84805aca6132391f28a2c39ae2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4263f9efb6543941c24e5a6c1925726d11310e5afbb34d394178fa054a2d65f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-06-27T13:30:42Z",
    "title_canon_sha256": "7999057d4a28c0a0bc17dd997784ef977e97477d4b67dc2888ec427d78978ff3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11624",
    "kind": "arxiv",
    "version": 2
  }
}