Pith Number

pith:A3QKQA24

pith:2026:A3QKQA242EUHU7WW3BQW56T555

not attested not anchored not stored refs pending

Exact Local Annotations for Regular Languages

Baris Basaran, Faruk Alpay

arxiv:2606.25172 v1 · 2026-06-23 · 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{A3QKQA242EUHU7WW3BQW56T555}

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	2026-06-25T00:18:19.926794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e0a8035cd1287a7ed6d8616efa7def554cbf47352346936d11f703ce818bc2

Aliases

arxiv: 2606.25172 · arxiv_version: 2606.25172v1 · doi: 10.48550/arxiv.2606.25172 · pith_short_12: A3QKQA242EUH · pith_short_16: A3QKQA242EUHU7WW · pith_short_8: A3QKQA24

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/A3QKQA242EUHU7WW3BQW56T555 \
  | 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: 06e0a8035cd1287a7ed6d8616efa7def554cbf47352346936d11f703ce818bc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5327fad6c0f8d56f0037e045e2abc608996bb4cd4aa757a3a6c7d91d01274d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2026-06-23T21:04:37Z",
    "title_canon_sha256": "c2f311849886f81524b0a152ec20668d98d9b27effa6b0e9bdf2ae7e78abe354"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25172",
    "kind": "arxiv",
    "version": 1
  }
}