Pith Number

pith:QPRW7HJK

pith:2025:QPRW7HJKSELRXUOXTNBB3DRBWP

not attested not anchored not stored refs pending

Basis for a hands free blood flow measurement with automated vessel focus

Georg Stachel, Johannes Schwerdt, Karsten Lenk, Michael Schultz, Michael Unger, Nathalie Sumrah, Reinhard Fuchs, Thomas Neumuth

arxiv:2510.11060 v2 · 2025-10-13 · physics.med-ph · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPRW7HJKSELRXUOXTNBB3DRBWP}

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	2026-06-01T02:03:28.152867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e36f9d2a91171bd1d79b421d8e21b3ec9c24a4efb20a3ca5bbaf72fa3bc407

Aliases

arxiv: 2510.11060 · arxiv_version: 2510.11060v2 · doi: 10.48550/arxiv.2510.11060 · pith_short_12: QPRW7HJKSELR · pith_short_16: QPRW7HJKSELRXUOX · pith_short_8: QPRW7HJK

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/QPRW7HJKSELRXUOXTNBB3DRBWP \
  | 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: 83e36f9d2a91171bd1d79b421d8e21b3ec9c24a4efb20a3ca5bbaf72fa3bc407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb99608f58bf8ef53ad8c464b9d2b35507249ca252744fbd512af4e421c47ab0",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-10-13T06:50:12Z",
    "title_canon_sha256": "6eaa5102fbcfd620d23487d9462f10105d77b4e1552489fb8700191e797976d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.11060",
    "kind": "arxiv",
    "version": 2
  }
}