Pith Number

pith:QC5A6WMH

pith:2025:QC5A6WMHM5JXRCWQCEYTNOSQ4W

not attested not anchored not stored refs pending

Optimization of continuous-wave NIRS devices for placental monitoring. A simulation study

Anna L David, Charly Caredda, Dimitrios Siassakos, Fr\'ed\'eric Lange, Ilias Tachtsidis, Niccole Ranaei-Zamani, Olayinka Kowobari, Rosalind Aughwane, Sara Hillman, Subhabrata Mitra, Uzair Hakim

arxiv:2508.13689 v1 · 2025-08-19 · 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{QC5A6WMHM5JXRCWQCEYTNOSQ4W}

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	2026-07-05T11:55:52.330939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ba0f59876753788ad0113136ba50e5afc45351b1af4dab4138f2a4bb89a49b

Aliases

arxiv: 2508.13689 · arxiv_version: 2508.13689v1 · doi: 10.48550/arxiv.2508.13689 · pith_short_12: QC5A6WMHM5JX · pith_short_16: QC5A6WMHM5JXRCWQ · pith_short_8: QC5A6WMH

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/QC5A6WMHM5JXRCWQCEYTNOSQ4W \
  | 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: 80ba0f59876753788ad0113136ba50e5afc45351b1af4dab4138f2a4bb89a49b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d781223d583c4c03b692e2b398ee3aaaa4ec1f66ff72176a25835a00efa5d33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-08-19T09:44:03Z",
    "title_canon_sha256": "d7802b55317eff0a66ecb6f25b2355d97a84c9af2368563748bec0f0d6cd9c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13689",
    "kind": "arxiv",
    "version": 1
  }
}