Pith Number

pith:FS6BOYVW

pith:2021:FS6BOYVWBDVYPREE4QB7HJOBB3

not attested not anchored not stored refs pending

U-Net-and-a-half: Convolutional network for biomedical image segmentation using multiple expert-driven annotations

Alik Farber, Clarissa A. Cassol, Jesper Kers, Joris J. Roelofs, Kevin P. Daly, Najia Idrees, Samir Haroon, Suvranu Ganguli, Vijaya B. Kolachalama, Vipul C. Chitalia, Yichi Zhang

arxiv:2108.04658 v1 · 2021-08-10 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FS6BOYVWBDVYPREE4QB7HJOBB3}

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	2026-07-05T03:09:12.881515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cbc1762b608eb87c484e403f3a5c10ed91ff5525cb1ca5124ad6c33b036cf80

Aliases

arxiv: 2108.04658 · arxiv_version: 2108.04658v1 · doi: 10.48550/arxiv.2108.04658 · pith_short_12: FS6BOYVWBDVY · pith_short_16: FS6BOYVWBDVYPREE · pith_short_8: FS6BOYVW

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/FS6BOYVWBDVYPREE4QB7HJOBB3 \
  | 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: 2cbc1762b608eb87c484e403f3a5c10ed91ff5525cb1ca5124ad6c33b036cf80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec41321ee485b6e5555af5e0f017675599f38c14e117174f66924a0923e54f56",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-08-10T13:08:39Z",
    "title_canon_sha256": "df408f139d0b907c82c82db860063855729980531f79d25c67d4294fc74c8d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04658",
    "kind": "arxiv",
    "version": 1
  }
}