Pith Number

pith:VPX3BI7E

pith:2025:VPX3BI7E6PF4R3VT3KU7JDU7DQ

not attested not anchored not stored refs pending

Unsupervised Defect Detection for Surgical Instruments

Amy R. Reibman, Edward J. Delp, Fengqing Zhu, Jingxi Yu, Joseph Huang, Qiang Qiu, Seunghyun Hwang, Wei Chen, Yichi Zhang

arxiv:2509.21561 v2 · 2025-09-25 · 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{VPX3BI7E6PF4R3VT3KU7JDU7DQ}

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	2026-06-01T01:02:21.376915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abefb0a3e4f3cbc8eeb3daa9f48e9f1c12f14712e17d839a1b94c1093b121beb

Aliases

arxiv: 2509.21561 · arxiv_version: 2509.21561v2 · doi: 10.48550/arxiv.2509.21561 · pith_short_12: VPX3BI7E6PF4 · pith_short_16: VPX3BI7E6PF4R3VT · pith_short_8: VPX3BI7E

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/VPX3BI7E6PF4R3VT3KU7JDU7DQ \
  | 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: abefb0a3e4f3cbc8eeb3daa9f48e9f1c12f14712e17d839a1b94c1093b121beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6054a4e4576b9d6f5d3c70640095ce869247c9f9e796c116e01915c3f00cca4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-09-25T20:40:52Z",
    "title_canon_sha256": "0eb2adc20f0827c39cd01f319ec0f5d90823764422f31f441a2bace4762c1a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.21561",
    "kind": "arxiv",
    "version": 2
  }
}