Pith Number

pith:PYJK4X7Q

pith:2025:PYJK4X7QJNPJH574B2XFWBTLWZ

not attested not anchored not stored refs pending

PyPeT: A Python Perfusion Tool for Automated Quantitative Brain CT and MR Perfusion Analysis

Marijn Borghouts, Ruisheng Su

arxiv:2511.13310 v2 · 2025-11-17 · eess.IV · 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{PYJK4X7QJNPJH574B2XFWBTLWZ}

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	2026-05-20T00:05:37.488763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e12ae5ff04b5e93f7fc0eae5b066bb660f1b02ef3f07f89f03982749606fdf7

Aliases

arxiv: 2511.13310 · arxiv_version: 2511.13310v2 · doi: 10.48550/arxiv.2511.13310 · pith_short_12: PYJK4X7QJNPJ · pith_short_16: PYJK4X7QJNPJH574 · pith_short_8: PYJK4X7Q

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/PYJK4X7QJNPJH574B2XFWBTLWZ \
  | 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: 7e12ae5ff04b5e93f7fc0eae5b066bb660f1b02ef3f07f89f03982749606fdf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6cc6725653e491ad4b877f346232b1c43b33b1e1fb69cac849173d8594330aa",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-11-17T12:43:48Z",
    "title_canon_sha256": "5d15e1071c9e99d7d2287baac53b026adc301e762617d73ca66b63682a8e9633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.13310",
    "kind": "arxiv",
    "version": 2
  }
}