Pith Number

pith:KYFCPTDU

pith:2020:KYFCPTDUDVTPNY52IUIWGH7RFB

not attested not anchored not stored refs pending

OPTIMAM Mammography Image Database: a large scale resource of mammography images and clinical data

Alistair Mackenzie, Dominic Ward, Emma Lewis, Kenneth C Young, Louise Wilkinson, Lucy M Warren, Mark D Halling-Brown, Matthew G Wallis, Rita McAvinchey, Rosalind M Given-Wilson

arxiv:2004.04742 v1 · 2020-04-09 · cs.CY · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYFCPTDUDVTPNY52IUIWGH7RFB}

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	2026-07-05T00:54:13.816100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

560a27cc741d66f6e3ba4511631ff128622b5c83c28120de10acb8f2ef29fc68

Aliases

arxiv: 2004.04742 · arxiv_version: 2004.04742v1 · doi: 10.48550/arxiv.2004.04742 · pith_short_12: KYFCPTDUDVTP · pith_short_16: KYFCPTDUDVTPNY52 · pith_short_8: KYFCPTDU

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/KYFCPTDUDVTPNY52IUIWGH7RFB \
  | 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: 560a27cc741d66f6e3ba4511631ff128622b5c83c28120de10acb8f2ef29fc68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b37836107f8c27113ffff990729762fe79bde63ebfa9eded5f003385c7d77fa",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2020-04-09T17:12:13Z",
    "title_canon_sha256": "537cc4b5d98fe57c3f580afa21e38c0c177a8d4ff574a64f6f178929c02358a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04742",
    "kind": "arxiv",
    "version": 1
  }
}