Pith Number

pith:GHH3FY2L

pith:2017:GHH3FY2LHLQ7NQHACGVSEY43BZ

not attested not anchored not stored refs pending

A Search for Improved Performance in Regular Expressions

Adrian Ronayne, Brendan Cody-Kenny, Eoghan Considine, Michael Fenton, Michael O'Neill, Thomas McGuire

arxiv:1704.04119 v1 · 2017-04-13 · cs.NE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHH3FY2LHLQ7NQHACGVSEY43BZ}

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	2026-05-18T00:46:25.312992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31cfb2e34b3ae1f6c0e011ab22639b0e6878f4a660c9a43682e00c03ca82f525

Aliases

arxiv: 1704.04119 · arxiv_version: 1704.04119v1 · doi: 10.48550/arxiv.1704.04119 · pith_short_12: GHH3FY2LHLQ7 · pith_short_16: GHH3FY2LHLQ7NQHA · pith_short_8: GHH3FY2L

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/GHH3FY2LHLQ7NQHACGVSEY43BZ \
  | 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: 31cfb2e34b3ae1f6c0e011ab22639b0e6878f4a660c9a43682e00c03ca82f525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5411e1b7bc9efba8ea510f1e276f6ebc778eeaa36d10345797f57fc779f4c67f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2017-04-13T13:23:21Z",
    "title_canon_sha256": "03e7a87ebda5e9da7d50585b8393bc0112e6f8a1e2158df4cad1faa377e93b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04119",
    "kind": "arxiv",
    "version": 1
  }
}