Pith Number

pith:74KKJG7F

pith:2021:74KKJG7FHLQCOXTGD65L7ERJJC

not attested not anchored not stored refs pending

Doctor Imitator: Hand-Radiography-based Bone Age Assessment by Imitating Scoring Methods

Biwen Lei, Bohan Yu, Danny Z. Chen, Jian Wu, Jintai Chen, Ruiwei Feng

arxiv:2102.05424 v3 · 2021-02-10 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74KKJG7FHLQCOXTGD65L7ERJJC}

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	2026-07-05T06:03:44.338452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff14a49be53ae0275e661fbabf9229489e5b50d6d736bb5f1e65e69446b6c3a6

Aliases

arxiv: 2102.05424 · arxiv_version: 2102.05424v3 · doi: 10.48550/arxiv.2102.05424 · pith_short_12: 74KKJG7FHLQC · pith_short_16: 74KKJG7FHLQCOXTG · pith_short_8: 74KKJG7F

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/74KKJG7FHLQCOXTGD65L7ERJJC \
  | 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: ff14a49be53ae0275e661fbabf9229489e5b50d6d736bb5f1e65e69446b6c3a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97485c2cef8661eab145bae01b0cb6cf4928f0a6c88ed1241a56c64e6341bc97",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-02-10T13:45:39Z",
    "title_canon_sha256": "74652ada5bb51fd921e7ac96ded4b5113a76e18dee3f2b7a7a67fab556e70426"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05424",
    "kind": "arxiv",
    "version": 3
  }
}