Pith Number

pith:LZO27QQZ

pith:2010:LZO27QQZVEFQHFHU2PHXFSKX77

not attested not anchored not stored refs pending

Extending B\"uchi Automata with Constraints on Data Values

Ahmet Kara, Tony Tan

arxiv:1012.5439 v2 · 2010-12-24 · 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{LZO27QQZVEFQHFHU2PHXFSKX77}

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	2026-05-18T02:23:06.361492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e5dafc219a90b0394f4d3cf72c957ffdabdfe0f3292625b11cc433c29911921

Aliases

arxiv: 1012.5439 · arxiv_version: 1012.5439v2 · doi: 10.48550/arxiv.1012.5439 · pith_short_12: LZO27QQZVEFQ · pith_short_16: LZO27QQZVEFQHFHU · pith_short_8: LZO27QQZ

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/LZO27QQZVEFQHFHU2PHXFSKX77 \
  | 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: 5e5dafc219a90b0394f4d3cf72c957ffdabdfe0f3292625b11cc433c29911921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d5ea5680f4d3843c6542cbdcedf4fb611efd7cab0dd129f7f9714b34a7838b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2010-12-24T22:33:10Z",
    "title_canon_sha256": "6282bd6c6b17591ec7561ce38364cdea70a89a44516496e581cea736102349fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5439",
    "kind": "arxiv",
    "version": 2
  }
}