Pith Number

pith:KQCBQWB5

pith:2019:KQCBQWB5NYLYD3RKR5DNHM2U4S

not attested not anchored not stored refs pending

Self-Supervised Surgical Tool Segmentation using Kinematic Information

Benoit Rosa, Cristian da Costa Rocha, Nicolas Padoy

arxiv:1902.04810 v1 · 2019-02-13 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQCBQWB5NYLYD3RKR5DNHM2U4S}

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	2026-05-17T23:54:05.856297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

540418583d6e1781ee2a8f46d3b354e4a1f9f4736de682c11c3b14f92554b558

Aliases

arxiv: 1902.04810 · arxiv_version: 1902.04810v1 · doi: 10.48550/arxiv.1902.04810 · pith_short_12: KQCBQWB5NYLY · pith_short_16: KQCBQWB5NYLYD3RK · pith_short_8: KQCBQWB5

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/KQCBQWB5NYLYD3RKR5DNHM2U4S \
  | 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: 540418583d6e1781ee2a8f46d3b354e4a1f9f4736de682c11c3b14f92554b558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5e7e54cd47ade23b38b8ff92985f921185f7802c51a820a112fed4f696833c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-02-13T09:43:25Z",
    "title_canon_sha256": "503656ab9520fe10a8d72636cee25787d52003f5b6861a1d50185ceab7c7aff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04810",
    "kind": "arxiv",
    "version": 1
  }
}