Pith Number

pith:NEP22TYR

pith:2022:NEP22TYRZRD4PG7B3QAUUBRAPQ

not attested not anchored not stored refs pending

Redwood: Using Collision Detection to Grow a Large-Scale Intent Classification Dataset

Kevin Leach, Stefan Larson

arxiv:2204.05483 v2 · 2022-04-12 · 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{NEP22TYRZRD4PG7B3QAUUBRAPQ}

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	2026-07-05T04:43:00.997206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

691fad4f11cc47c79be1dc014a06207c068d5a5b6a500e10749adb132aeb83af

Aliases

arxiv: 2204.05483 · arxiv_version: 2204.05483v2 · doi: 10.48550/arxiv.2204.05483 · pith_short_12: NEP22TYRZRD4 · pith_short_16: NEP22TYRZRD4PG7B · pith_short_8: NEP22TYR

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/NEP22TYRZRD4PG7B3QAUUBRAPQ \
  | 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: 691fad4f11cc47c79be1dc014a06207c068d5a5b6a500e10749adb132aeb83af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3381932f7b10de04c2d285b7ec7a5ece547f344e7209d2d1b1f587370a70599",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-04-12T02:28:23Z",
    "title_canon_sha256": "1b7b388ff264e59e87e066f84127c14ecc2dadd5080021dd6b31150592d9e04b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.05483",
    "kind": "arxiv",
    "version": 2
  }
}