Pith Number

pith:OXT4Z7PW

pith:2010:OXT4Z7PWEFGQBK33BCUYJHTZ5X

not attested not anchored not stored refs pending

First-order Fragments with Successor over Infinite Words

Alexander Lauser, Jakub Kallas, Manfred Kufleitner

arxiv:1101.0115 v1 · 2010-12-30 · cs.FL · cs.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{OXT4Z7PWEFGQBK33BCUYJHTZ5X}

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	2026-05-18T02:23:05.956873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75e7ccfdf6214d00ab7b08a9849e79edddd94084f425ae56f04fea79bc083587

Aliases

arxiv: 1101.0115 · arxiv_version: 1101.0115v1 · doi: 10.48550/arxiv.1101.0115 · pith_short_12: OXT4Z7PWEFGQ · pith_short_16: OXT4Z7PWEFGQBK33 · pith_short_8: OXT4Z7PW

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/OXT4Z7PWEFGQBK33BCUYJHTZ5X \
  | 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: 75e7ccfdf6214d00ab7b08a9849e79edddd94084f425ae56f04fea79bc083587

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6def9a7a079c161c61ade372966d28d9f5aced5945ab359fd88f19acc7d26ed7",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2010-12-30T17:19:03Z",
    "title_canon_sha256": "b1f304fda46ad6eb2fa025aa10e601afe793d2c467068c8428deeeec6f7a3ec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0115",
    "kind": "arxiv",
    "version": 1
  }
}