Pith Number

pith:67K72NXG

pith:2021:67K72NXGKKJC3YGLF4PLS4XZFU

not attested not anchored not stored refs pending

Towards Unified Surgical Skill Assessment

Daochang Liu, Fei Shan, Qiyue Li, Rulin Miao, Tingting Jiang, Yizhou Wang, Ziyu Li

arxiv:2106.01035 v1 · 2021-06-02 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67K72NXGKKJC3YGLF4PLS4XZFU}

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	2026-07-05T02:45:43.067300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7d5fd36e652922de0cb2f1eb972f92d08f5ebbf55b4c995d320e372c246ad42

Aliases

arxiv: 2106.01035 · arxiv_version: 2106.01035v1 · doi: 10.48550/arxiv.2106.01035 · pith_short_12: 67K72NXGKKJC · pith_short_16: 67K72NXGKKJC3YGL · pith_short_8: 67K72NXG

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/67K72NXGKKJC3YGLF4PLS4XZFU \
  | 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: f7d5fd36e652922de0cb2f1eb972f92d08f5ebbf55b4c995d320e372c246ad42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "267902b4ed38c98f9f8d8753b65827c2db3d145ec765a3282711f453808cb5a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-02T09:06:43Z",
    "title_canon_sha256": "fef06c5f8df0de8bafbc72ea22f23617485bd273db183a782e62fddf85395451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.01035",
    "kind": "arxiv",
    "version": 1
  }
}