Pith Number

pith:BPXEGS2W

pith:2019:BPXEGS2WWOZ3KU5MCVM3HBDT6S

not attested not anchored not stored refs pending

Fetus: the radar of maternal stress, a cohort study

Alexander Mueller, Bernd Haller, Bibiana Fabre, Camilla Zelgert, Chao Shen, Gabriela Berg, Georg Schmidt, Hau-Tieng Wu, Joyce Weyrich, Marta C. Antonelli, Martin G. Frasch, Pei-Chun Su, Silvia M. Lobmaier

arxiv:1902.09746 v1 · 2019-02-26 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPXEGS2WWOZ3KU5MCVM3HBDT6S}

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	2026-07-05T00:20:42.827398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bee434b56b3b3b553ac1559b38473f4882772cadc00f6ddcb922e843587c770

Aliases

arxiv: 1902.09746 · arxiv_version: 1902.09746v1 · doi: 10.48550/arxiv.1902.09746 · pith_short_12: BPXEGS2WWOZ3 · pith_short_16: BPXEGS2WWOZ3KU5M · pith_short_8: BPXEGS2W

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/BPXEGS2WWOZ3KU5MCVM3HBDT6S \
  | 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: 0bee434b56b3b3b553ac1559b38473f4882772cadc00f6ddcb922e843587c770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfdb68b0880c379ab12d749505bf4dc584b32d5b14e90d9541eef5f4c87f5660",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-02-26T05:58:29Z",
    "title_canon_sha256": "d716c7942e0d7805c014b04e9582ce2b178ff28d304c14189445e6cd3b566f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09746",
    "kind": "arxiv",
    "version": 1
  }
}