Pith Number

pith:CO2CFCG2

pith:2021:CO2CFCG2DBMCR5RYXLTZJ45I3T

not attested not anchored not stored refs pending

Technical Report: Quality Assessment Tool for Machine Learning with Clinical CT

Bennett A. Landman, Kaiwen Xu, Kim L. Sandler, Mirza S. Khan, Pierre P. Massion, Riqiang Gao, Steve Deppen, Yuankai Huo, Yucheng Tang

arxiv:2107.12842 v1 · 2021-07-27 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CO2CFCG2DBMCR5RYXLTZJ45I3T}

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	2026-07-05T03:01:01.299770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b42288da185828f638bae794f3a8dccaac4d0ee1c5da13cf9f633077b89308

Aliases

arxiv: 2107.12842 · arxiv_version: 2107.12842v1 · doi: 10.48550/arxiv.2107.12842 · pith_short_12: CO2CFCG2DBMC · pith_short_16: CO2CFCG2DBMCR5RY · pith_short_8: CO2CFCG2

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/CO2CFCG2DBMCR5RYXLTZJ45I3T \
  | 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: 13b42288da185828f638bae794f3a8dccaac4d0ee1c5da13cf9f633077b89308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e87bcb5f8e07db64571bd78fcd666dac517b17c379fede0576f2f4e473405de7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-27T14:19:08Z",
    "title_canon_sha256": "42146f816f84a38d2c324d1f94c10a336d99c8a06203628b1b6fa49496d10894"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12842",
    "kind": "arxiv",
    "version": 1
  }
}