Pith Number

pith:22YFAVHZ

pith:2020:22YFAVHZ4B36CVKGQGZUQLXE6C

not attested not anchored not stored refs pending

Automatic Grading of Knee Osteoarthritis on the Kellgren-Lawrence Scale from Radiographs Using Convolutional Neural Networks

Amit Kharat, Aniruddha Pant, Ashrika Gaikwad, Sudeep Kondal, Viraj Kulkarni

arxiv:2004.08572 v1 · 2020-04-18 · eess.IV · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22YFAVHZ4B36CVKGQGZUQLXE6C}

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	2026-07-05T00:56:07.339296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b05054f9e077e1554681b3482ee4f098960890cd8665711d4e51d764d3759e

Aliases

arxiv: 2004.08572 · arxiv_version: 2004.08572v1 · doi: 10.48550/arxiv.2004.08572 · pith_short_12: 22YFAVHZ4B36 · pith_short_16: 22YFAVHZ4B36CVKG · pith_short_8: 22YFAVHZ

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/22YFAVHZ4B36CVKGQGZUQLXE6C \
  | 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: d6b05054f9e077e1554681b3482ee4f098960890cd8665711d4e51d764d3759e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b523ad155a5d2aae3c2c9b2e3573db070e8311994f75164ec9af47bbaed5150",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-04-18T09:46:55Z",
    "title_canon_sha256": "b7e654b3205f5487f20c9be2695aaef0334ce13c02b1ca5863299a0e09725531"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08572",
    "kind": "arxiv",
    "version": 1
  }
}