Pith Number

pith:CBN5XS65

pith:2019:CBN5XS65EZB4D2CTTYQVGWG4NL

not attested not anchored not stored refs pending

Video-based surgical skill assessment using 3D convolutional neural networks

Isabel Funke, J\"urgen Weitz, S\"oren Torge Mees, Stefanie Speidel

arxiv:1903.02306 v3 · 2019-03-06 · 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{CBN5XS65EZB4D2CTTYQVGWG4NL}

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	2026-07-05T00:02:12.812631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

105bdbcbdd2643c1e8539e215358dc6afe1eac3092259bace5a2e64e3683742f

Aliases

arxiv: 1903.02306 · arxiv_version: 1903.02306v3 · doi: 10.48550/arxiv.1903.02306 · pith_short_12: CBN5XS65EZB4 · pith_short_16: CBN5XS65EZB4D2CT · pith_short_8: CBN5XS65

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/CBN5XS65EZB4D2CTTYQVGWG4NL \
  | 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: 105bdbcbdd2643c1e8539e215358dc6afe1eac3092259bace5a2e64e3683742f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c25de47732a044a5c1fd3580633b808de06f39335cbaf63da1b8e238d486971",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-06T10:54:09Z",
    "title_canon_sha256": "acc23acf646a7ab1825644b17a855db0a39113aab3b99166acdd4d75f2d9266d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02306",
    "kind": "arxiv",
    "version": 3
  }
}