Pith Number

pith:XECDTMIW

pith:2015:XECDTMIWKABHF3M3Q33HOQTX26

not attested not anchored not stored refs pending

Towards Data-Driven Hierarchical Surgical Skill Analysis

Berenice Mettler, Bin Li, Timonthy M. Kowalewski

arxiv:1503.08866 v1 · 2015-03-30 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XECDTMIWKABHF3M3Q33HOQTX26}

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	2026-05-18T02:19:52.000718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b90439b116500272ed9b86f6774277d7bba1e54e0d91222025ba82139f156d86

Aliases

arxiv: 1503.08866 · arxiv_version: 1503.08866v1 · doi: 10.48550/arxiv.1503.08866 · pith_short_12: XECDTMIWKABH · pith_short_16: XECDTMIWKABHF3M3 · pith_short_8: XECDTMIW

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/XECDTMIWKABHF3M3Q33HOQTX26 \
  | 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: b90439b116500272ed9b86f6774277d7bba1e54e0d91222025ba82139f156d86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52e0bd0fbe7ca77bbf726e10b9355e9c15c7a7f2d008385f99395558c6424563",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2015-03-30T22:35:03Z",
    "title_canon_sha256": "eaadb3249f44b12f4e762c57c99e024efb0d03c20a24c55b52a5620e949ee106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08866",
    "kind": "arxiv",
    "version": 1
  }
}