Pith Number

pith:3YBJW5UE

pith:2019:3YBJW5UEYGMUOVOG2ADCYTMJZY

not attested not anchored not stored refs pending

Confident Head Circumference Measurement from Ultrasound with Real-time Feedback for Sonographers

Alberto Gomez, Bernhard Kainz, Bishesh Khanal, David Lloyd, Emma Robinson, Jacqueline Matthew, Matthew Sinclair, Nicolas Toussaint, Samuel Budd

arxiv:1908.02582 v1 · 2019-08-07 · 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{3YBJW5UEYGMUOVOG2ADCYTMJZY}

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	2026-07-04T23:52:10.515144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de029b7684c1994755c6d0062c4d89ce2c6fee1520a8a8fa1872e821e63412fa

Aliases

arxiv: 1908.02582 · arxiv_version: 1908.02582v1 · doi: 10.48550/arxiv.1908.02582 · pith_short_12: 3YBJW5UEYGMU · pith_short_16: 3YBJW5UEYGMUOVOG · pith_short_8: 3YBJW5UE

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/3YBJW5UEYGMUOVOG2ADCYTMJZY \
  | 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: de029b7684c1994755c6d0062c4d89ce2c6fee1520a8a8fa1872e821e63412fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebbff20ebe48cf8a1934faf232b1213ecd1aaf2e3f9d3e794c243477894d0a86",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-08-07T12:35:54Z",
    "title_canon_sha256": "9c2b2fd631324b71847ec1abc4e4582365c18f37356f53af7da137b113b366c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02582",
    "kind": "arxiv",
    "version": 1
  }
}