Pith Number

pith:W4VD3FLL

pith:2021:W4VD3FLLJDF2WVWXF2U5CFUXRC

not attested not anchored not stored refs pending

Reducing Annotating Load: Active Learning with Synthetic Images in Surgical Instrument Segmentation

Blake Hannaford, Daniel King, Haonan Peng, Kris S. Moe, Randall A. Bly, Shan Lin, Yun-Hsuan Su

arxiv:2108.03534 v1 · 2021-08-07 · 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{W4VD3FLLJDF2WVWXF2U5CFUXRC}

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	2026-07-05T08:37:34.421012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72a3d956b48cbab56d72ea9d1169788b257c0060ae0e306f0f17dea96ca9d39

Aliases

arxiv: 2108.03534 · arxiv_version: 2108.03534v1 · doi: 10.48550/arxiv.2108.03534 · pith_short_12: W4VD3FLLJDF2 · pith_short_16: W4VD3FLLJDF2WVWX · pith_short_8: W4VD3FLL

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/W4VD3FLLJDF2WVWXF2U5CFUXRC \
  | 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: b72a3d956b48cbab56d72ea9d1169788b257c0060ae0e306f0f17dea96ca9d39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b54db0b8928e7473d0f83a656111bd4e66e033e7117dc2c88552d4b2a9c7998",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-07T22:30:53Z",
    "title_canon_sha256": "0ffe74a77fe16354716b5a89af79f5fcc8790daf8fef7b41b791cf66791445bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03534",
    "kind": "arxiv",
    "version": 1
  }
}