Pith Number

pith:RUPIZUPQ

pith:2025:RUPIZUPQISID7XNWAMUP2HI2P5

not attested not anchored not stored refs pending

A Critical Field Guide for Working with Machine Learning Datasets

Kate Crawford, Mike Ananny, Sarah Ciston

arxiv:2501.15491 v1 · 2025-01-26 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUPIZUPQISID7XNWAMUP2HI2P5}

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	2026-07-05T10:05:30.090549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d1e8cd1f044903fddb60328fd1d1a7f71e76f296652264fc09991ce24ee01a7

Aliases

arxiv: 2501.15491 · arxiv_version: 2501.15491v1 · doi: 10.48550/arxiv.2501.15491 · pith_short_12: RUPIZUPQISID · pith_short_16: RUPIZUPQISID7XNW · pith_short_8: RUPIZUPQ

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/RUPIZUPQISID7XNWAMUP2HI2P5 \
  | 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: 8d1e8cd1f044903fddb60328fd1d1a7f71e76f296652264fc09991ce24ee01a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "368fe23acc49d2d4b4ec154281841dde58b9bf1a623323754a5f5c3bc3cabedf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-01-26T11:43:33Z",
    "title_canon_sha256": "7eebaf53fc26f2c9d83f63a87f490c7f0895bff1691b3cb11867f5b9942b02b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15491",
    "kind": "arxiv",
    "version": 1
  }
}