Pith Number

pith:CX5OCEMI

pith:2020:CX5OCEMIZ3AG2U56AQW4TUBXWZ

not attested not anchored not stored refs pending

Fine tuning U-Net for ultrasound image segmentation: which layers?

Hassan Rivaz, Mina Amiri, Rupert Brooks

arxiv:2002.08438 v1 · 2020-02-19 · 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{CX5OCEMIZ3AG2U56AQW4TUBXWZ}

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	2026-07-05T00:42:35.206276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15fae11188cec06d53be042dc9d037b64fd9533298b59cb36c3982570af0ef58

Aliases

arxiv: 2002.08438 · arxiv_version: 2002.08438v1 · doi: 10.48550/arxiv.2002.08438 · pith_short_12: CX5OCEMIZ3AG · pith_short_16: CX5OCEMIZ3AG2U56 · pith_short_8: CX5OCEMI

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/CX5OCEMIZ3AG2U56AQW4TUBXWZ \
  | 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: 15fae11188cec06d53be042dc9d037b64fd9533298b59cb36c3982570af0ef58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "564d2e9cf15ffefadbc9706ef587960d4d8c3b178e4603542d8048c12ff38e1d",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-02-19T20:45:40Z",
    "title_canon_sha256": "db3bead691900bf2bc012fba1851aa12ec389919c11e5740595e12813ba33de9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08438",
    "kind": "arxiv",
    "version": 1
  }
}