Pith Number

pith:6PVCUJKD

pith:2019:6PVCUJKD663AB3YEM47CTHEV3Q

not attested not anchored not stored refs pending

Automatic Grading of Individual Knee Osteoarthritis Features in Plain Radiographs using Deep Convolutional Neural Networks

Aleksei Tiulpin, Simo Saarakkala

arxiv:1907.08020 v1 · 2019-07-18 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PVCUJKD663AB3YEM47CTHEV3Q}

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	2026-05-17T23:40:15.364787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3ea2a2543f7b600ef04673e299c95dc33d7bc37d15a72e501073ada694a2f63

Aliases

arxiv: 1907.08020 · arxiv_version: 1907.08020v1 · doi: 10.48550/arxiv.1907.08020 · pith_short_12: 6PVCUJKD663A · pith_short_16: 6PVCUJKD663AB3YE · pith_short_8: 6PVCUJKD

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/6PVCUJKD663AB3YEM47CTHEV3Q \
  | 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: f3ea2a2543f7b600ef04673e299c95dc33d7bc37d15a72e501073ada694a2f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aa96cf7c4a79a815557ce9b3f66c40f371276849bb6a656db835a1f904a5d7f",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-07-18T12:52:32Z",
    "title_canon_sha256": "7926aebfc818672d19ab8cd56b965fa3b64312221befce6494d28119f6d94ef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08020",
    "kind": "arxiv",
    "version": 1
  }
}