Pith Number

pith:OL7PMZ3J

pith:2013:OL7PMZ3JRGSLF2MAMK7OHVTB5J

not attested not anchored not stored refs pending

Semantic Context Forests for Learning-Based Knee Cartilage Segmentation in 3D MR Images

Dijia Wu, Kim L. Boyer, Le Lu, Meizhu Liu, Quan Wang, Shaohua Kevin Zhou

arxiv:1307.2965 v2 · 2013-07-11 · cs.CV · cs.LG · q-bio.TO · 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{OL7PMZ3JRGSLF2MAMK7OHVTB5J}

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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	2026-05-18T00:31:22.976091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72fef6676989a4b2e98062bee3d661ea52808e9808baf01bd738f48d21712cef

Aliases

arxiv: 1307.2965 · arxiv_version: 1307.2965v2 · doi: 10.48550/arxiv.1307.2965 · pith_short_12: OL7PMZ3JRGSL · pith_short_16: OL7PMZ3JRGSLF2MA · pith_short_8: OL7PMZ3J

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/OL7PMZ3JRGSLF2MAMK7OHVTB5J \
  | 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: 72fef6676989a4b2e98062bee3d661ea52808e9808baf01bd738f48d21712cef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9152ed295bb48a1261862b6f79e62e07acca50fdb4889206dcb4cb34bc7b577",
    "cross_cats_sorted": [
      "cs.LG",
      "q-bio.TO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-07-11T03:29:51Z",
    "title_canon_sha256": "62e546669a21bb32c2e1869f28e671fc8f01bdf1153b7f51028ecb787f317b0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2965",
    "kind": "arxiv",
    "version": 2
  }
}