Pith Number

pith:727S2U42

pith:2019:727S2U42O6TDDSLR5P2LBCBHDK

not attested not anchored not stored refs pending

Ultrasound Image Representation Learning by Modeling Sonographer Visual Attention

Aris T. Papageorghiou, Harshita Sharma, J. Alison Noble, Lior Drukker, Pierre Chatelain, Richard Droste, Yifan Cai

arxiv:1903.02974 v2 · 2019-03-07 · cs.CV · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{727S2U42O6TDDSLR5P2LBCBHDK}

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	2026-05-17T23:45:03.948901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

febf2d539a77a631c971ebf4b088271a876ae6c756f30b27e6184dd685b0ffcb

Aliases

arxiv: 1903.02974 · arxiv_version: 1903.02974v2 · doi: 10.48550/arxiv.1903.02974 · pith_short_12: 727S2U42O6TD · pith_short_16: 727S2U42O6TDDSLR · pith_short_8: 727S2U42

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/727S2U42O6TDDSLR5P2LBCBHDK \
  | 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: febf2d539a77a631c971ebf4b088271a876ae6c756f30b27e6184dd685b0ffcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f96c71d733d374b9309bf6ec30b432d32ad160a46e90d226c87d23d655c9cc",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-07T15:05:31Z",
    "title_canon_sha256": "30e79dd2a290b4e4c7977b0f4fbeaf870a2e2742ff1ec8873fbdaad65a5f99d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02974",
    "kind": "arxiv",
    "version": 2
  }
}