Pith Number

pith:OJV4ZAYJ

pith:2019:OJV4ZAYJXU5YBV4IWLNY75MCJ7

not attested not anchored not stored refs pending

Novel evaluation of surgical activity recognition models using task-based efficiency metrics

Aneeq Zia, Anthony Jarc, Irfan Essa, Liheng Guo, Linlin Zhou

arxiv:1907.02060 v1 · 2019-07-03 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJV4ZAYJXU5YBV4IWLNY75MCJ7}

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	2026-05-17T23:41:31.714493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

726bcc8309bd3b80d788b2db8ff5824fd5d651047cca8a745552cf7faf4d7c73

Aliases

arxiv: 1907.02060 · arxiv_version: 1907.02060v1 · doi: 10.48550/arxiv.1907.02060 · pith_short_12: OJV4ZAYJXU5Y · pith_short_16: OJV4ZAYJXU5YBV4I · pith_short_8: OJV4ZAYJ

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/OJV4ZAYJXU5YBV4IWLNY75MCJ7 \
  | 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: 726bcc8309bd3b80d788b2db8ff5824fd5d651047cca8a745552cf7faf4d7c73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1be07e54deb4391104c62166949e7473b0db608c2ac7f68b78fd36d7750a0e20",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-03T17:55:31Z",
    "title_canon_sha256": "0208a5d64c29fc4925ba25042c22494b05b886f38aca5ad455dee4d957b5c240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02060",
    "kind": "arxiv",
    "version": 1
  }
}