Pith Number

pith:AVN46UUV

pith:2011:AVN46UUVUWDOXND3JNDB7AGWAO

not attested not anchored not stored refs pending

Treating Insomnia, Amnesia, and Acalculia in Regular Expression Matching

Fernando Berzal, Francisco J. Cortijo, Luis Quesada

arxiv:1110.1716 v2 · 2011-10-08 · 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{AVN46UUVUWDOXND3JNDB7AGWAO}

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	2026-05-18T04:09:26.745623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

055bcf5295a586ebb47b4b461f80d6039b5d77a8531b94ac9e32ed08238533cb

Aliases

arxiv: 1110.1716 · arxiv_version: 1110.1716v2 · doi: 10.48550/arxiv.1110.1716 · pith_short_12: AVN46UUVUWDO · pith_short_16: AVN46UUVUWDOXND3 · pith_short_8: AVN46UUV

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/AVN46UUVUWDOXND3JNDB7AGWAO \
  | 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: 055bcf5295a586ebb47b4b461f80d6039b5d77a8531b94ac9e32ed08238533cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8acf3f827cc0c971d1ed75c9f1879dfd79763760fd44070bbb41e46d0473528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-10-08T09:43:59Z",
    "title_canon_sha256": "4161e863485db80c304aea2c0f3e53617dc2b1ea11e4a73b67a8eb45c1aaa25c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1716",
    "kind": "arxiv",
    "version": 2
  }
}