Pith Number

pith:GMPLWH3Y

pith:2019:GMPLWH3YRFMHQTDYAG7DXPRQRN

not attested not anchored not stored refs pending

Succinct Representation for (Non)Deterministic Finite Automata

Kunihiko Sadakane, Roberto Grossi, Sankardeep Chakraborty, Srinivasa Rao Satti

arxiv:1907.09271 v1 · 2019-07-22 · cs.DS · cs.DM · 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{GMPLWH3YRFMHQTDYAG7DXPRQRN}

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	2026-05-17T23:39:59.666856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

331ebb1f788958784c7801be3bbe308b48de6f73c8fe9e26ece4714b14329cbf

Aliases

arxiv: 1907.09271 · arxiv_version: 1907.09271v1 · doi: 10.48550/arxiv.1907.09271 · pith_short_12: GMPLWH3YRFMH · pith_short_16: GMPLWH3YRFMHQTDY · pith_short_8: GMPLWH3Y

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/GMPLWH3YRFMHQTDYAG7DXPRQRN \
  | 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: 331ebb1f788958784c7801be3bbe308b48de6f73c8fe9e26ece4714b14329cbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae82330b6722adf56d435363bf6dff6e99aaf225c2fa0995f67f4bcde54acded",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-22T12:29:03Z",
    "title_canon_sha256": "65150cd05a0cf74732f6cfd4e81f10a58084150953c6dbfb0dbe2c2e895a7138"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09271",
    "kind": "arxiv",
    "version": 1
  }
}