Pith Number

pith:NCVEIXJS

pith:2013:NCVEIXJSV6NUOS4E3LA5LRFX4S

not attested not anchored not stored refs pending

Minimal Nondeterministic Finite Automata and Atoms of Regular Languages

Hellis Tamm, Janusz Brzozowski

arxiv:1301.5585 v1 · 2013-01-23 · 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{NCVEIXJSV6NUOS4E3LA5LRFX4S}

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	2026-05-18T03:35:39.314195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68aa445d32af9b474b84dac1d5c4b7e4a462aa940b0be1d518fd95142764668c

Aliases

arxiv: 1301.5585 · arxiv_version: 1301.5585v1 · doi: 10.48550/arxiv.1301.5585 · pith_short_12: NCVEIXJSV6NU · pith_short_16: NCVEIXJSV6NUOS4E · pith_short_8: NCVEIXJS

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/NCVEIXJSV6NUOS4E3LA5LRFX4S \
  | 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: 68aa445d32af9b474b84dac1d5c4b7e4a462aa940b0be1d518fd95142764668c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d751612439d1be2a0b4974a63c0029937c148a12ce53b54780770e0a1fca2f25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-01-23T17:51:05Z",
    "title_canon_sha256": "2f78565ee620d1c2cdea439b843a9a01a5bc5ad001c89d5e7ec528cd92dc9952"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5585",
    "kind": "arxiv",
    "version": 1
  }
}