Pith Number

pith:Q2FYIUV7

pith:2022:Q2FYIUV7JDRPDHULMSNGTIYNDK

not attested not anchored not stored refs pending

Reducing a Set of Regular Expressions and Analyzing Differences of Domain-specific Statistic Reporting

Ansgar Scherp, Marcel Hoffmann, Nicolas Lell, Tobias Kalmbach

arxiv:2211.13632 v2 · 2022-11-24 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2FYIUV7JDRPDHULMSNGTIYNDK}

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	2026-07-05T05:54:33.801704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868b8452bf48e2f19e8b649a69a30d1aa969a78c5fe6bc88e3a38884a797f224

Aliases

arxiv: 2211.13632 · arxiv_version: 2211.13632v2 · doi: 10.48550/arxiv.2211.13632 · pith_short_12: Q2FYIUV7JDRP · pith_short_16: Q2FYIUV7JDRPDHUL · pith_short_8: Q2FYIUV7

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/Q2FYIUV7JDRPDHULMSNGTIYNDK \
  | 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: 868b8452bf48e2f19e8b649a69a30d1aa969a78c5fe6bc88e3a38884a797f224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb2670a2e7bb961429166e902fd64e08d4a3d4d5246b7c8ad1819352700886a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2022-11-24T14:29:20Z",
    "title_canon_sha256": "765a76f292f140fc11b4ffcb399f039b293b04b345ce271c51cc652ca2ddc9b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.13632",
    "kind": "arxiv",
    "version": 2
  }
}