Pith Number

pith:QTFONIMH

pith:2004:QTFONIMHWOX37VJCJCKJJZMJDO

not attested not anchored not stored refs pending

A Bimachine Compiler for Ranked Tagging Rules

Kathrine Hammervold, Stefan Ulrich, Wojciech Skut

arxiv:cs/0407046 v1 · 2004-07-19 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTFONIMHWOX37VJCJCKJJZMJDO}

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	2026-07-04T14:24:45.310486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84cae6a187b3afbfd522489494e5891ba449f34906eb270ca3aea6242462a368

Aliases

arxiv: cs/0407046 · arxiv_version: cs/0407046v1 · doi: 10.48550/arxiv.cs/0407046 · pith_short_12: QTFONIMHWOX3 · pith_short_16: QTFONIMHWOX37VJC · pith_short_8: QTFONIMH

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/QTFONIMHWOX37VJCJCKJJZMJDO \
  | 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: 84cae6a187b3afbfd522489494e5891ba449f34906eb270ca3aea6242462a368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc182ab49201f77a25edf44423bcff133fd8cd0d72b56d277396ae04b95e1984",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CL",
    "submitted_at": "2004-07-19T11:57:42Z",
    "title_canon_sha256": "1f04db89fd40af29f8adad8fd91f877ab61283de8eb7038d1f1b6cc9794282e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0407046",
    "kind": "arxiv",
    "version": 1
  }
}