Pith Number

pith:WFXF3IWP

pith:2019:WFXF3IWP665GCJPFGF6VHCD7JH

not attested not anchored not stored refs pending

Bone Density and Texture from Minimally Post-Processed Knee Radiographs in Subjects with Knee Osteoarthritis

Jaakko Niinim\"aki, J\'er\^ome Thevenot, Jukka Hirvasniemi, Simo Saarakkala

arxiv:1902.02098 v1 · 2019-02-06 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFXF3IWP665GCJPFGF6VHCD7JH}

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	2026-05-17T23:54:37.889634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b16e5da2cff7ba6125e5317d53887f49c169471155e97daeef6e025e96d173d9

Aliases

arxiv: 1902.02098 · arxiv_version: 1902.02098v1 · doi: 10.48550/arxiv.1902.02098 · pith_short_12: WFXF3IWP665G · pith_short_16: WFXF3IWP665GCJPF · pith_short_8: WFXF3IWP

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/WFXF3IWP665GCJPFGF6VHCD7JH \
  | 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: b16e5da2cff7ba6125e5317d53887f49c169471155e97daeef6e025e96d173d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5668de9be188cda56b93014c1504a469e1fc70931be5e188f5bb962fc844b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-02-06T10:28:05Z",
    "title_canon_sha256": "89c18d5a2f4877ab289d476ae5e0b757e9ef464f07b461d111cbe084e70a855b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02098",
    "kind": "arxiv",
    "version": 1
  }
}