Pith Number

pith:LEJLL56N

pith:2018:LEJLL56N76GIPGMJXDTM742SDA

not attested not anchored not stored refs pending

Automatic evaluation of fetal head biometry from ultrasound images using machine learning

Hwa Pyung Kim, Ja-Young Kwon, Jin Keun Seo, Kang Cheol Kim, Sung Min Lee, Yejin Park

arxiv:1808.06150 v1 · 2018-08-19 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LEJLL56N76GIPGMJXDTM742SDA}

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	2026-05-17T23:44:09.862254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5912b5f7cdff8c879989b8e6cff352181c93bc350952d9ca00b9c26ec659f6c1

Aliases

arxiv: 1808.06150 · arxiv_version: 1808.06150v1 · doi: 10.48550/arxiv.1808.06150 · pith_short_12: LEJLL56N76GI · pith_short_16: LEJLL56N76GIPGMJ · pith_short_8: LEJLL56N

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/LEJLL56N76GIPGMJXDTM742SDA \
  | 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: 5912b5f7cdff8c879989b8e6cff352181c93bc350952d9ca00b9c26ec659f6c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c032284c56ba6d9d028f47b0f72fe641f92b9ef282dc1f22fb2d3a0a7600c4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-08-19T01:56:06Z",
    "title_canon_sha256": "51085f864be51e8498c5b77f7f8799632c413b05917b7d183e19bcddd836fc4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06150",
    "kind": "arxiv",
    "version": 1
  }
}