Pith Number

pith:ZPA2YLG6

pith:2017:ZPA2YLG6PFDTC5GN5S4PBHEJNV

not attested not anchored not stored refs pending

Lazy Automata Techniques for WS1S

Luk\'a\v{s} Hol\'ik, Ond\v{r}ej Leng\'al, Petr Jank\r{u}, Tom\'a\v{s} Fiedor, Tom\'a\v{s} Vojnar

arxiv:1701.06282 v2 · 2017-01-23 · cs.LO · 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{ZPA2YLG6PFDTC5GN5S4PBHEJNV}

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	2026-05-18T00:52:12.647358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbc1ac2cde79473174cdecb8f09c896d68427b587dd14434e31af7cd32627b92

Aliases

arxiv: 1701.06282 · arxiv_version: 1701.06282v2 · doi: 10.48550/arxiv.1701.06282 · pith_short_12: ZPA2YLG6PFDT · pith_short_16: ZPA2YLG6PFDTC5GN · pith_short_8: ZPA2YLG6

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/ZPA2YLG6PFDTC5GN5S4PBHEJNV \
  | 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: cbc1ac2cde79473174cdecb8f09c896d68427b587dd14434e31af7cd32627b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc788e089bedea60e8e6cec3ddd7da7b5fbc2703cd053ba21402e949c87a1af",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-01-23T07:30:12Z",
    "title_canon_sha256": "663b4f3bc05e985826bb4085e84ff1e78805bb12baad76fa35fac8b7bbe7e4cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06282",
    "kind": "arxiv",
    "version": 2
  }
}