Pith Number

pith:QMO3JMQP

pith:2025:QMO3JMQPDWYLM46UW5G3ISUX64

not attested not anchored not stored refs pending

The role of dendritic spines in water exchange measurements with diffusion MRI: Double Diffusion Encoding and free-waveform MRI

Arthur Chakwizira, Filip Szczepankiewicz, Kadir \c{S}im\c{s}ek, Marco Palombo, Markus Nilsson

arxiv:2504.21537 v1 · 2025-04-30 · 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{QMO3JMQPDWYLM46UW5G3ISUX64}

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	2026-07-05T10:56:25.463263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831db4b20f1db0b673d4b74db44a97f71e8735d4aeb5194809a4c040d8a786b5

Aliases

arxiv: 2504.21537 · arxiv_version: 2504.21537v1 · doi: 10.48550/arxiv.2504.21537 · pith_short_12: QMO3JMQPDWYL · pith_short_16: QMO3JMQPDWYLM46U · pith_short_8: QMO3JMQP

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/QMO3JMQPDWYLM46UW5G3ISUX64 \
  | 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: 831db4b20f1db0b673d4b74db44a97f71e8735d4aeb5194809a4c040d8a786b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1655f2c965fddd1b0b001a2c8d2bccb09154a6a58e7a54769e0abc6fe034b2bd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-04-30T11:34:44Z",
    "title_canon_sha256": "0963279a3e4c50d3392d1296b5e788c1a90c4f92d64612c5f7adff8664e2df79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21537",
    "kind": "arxiv",
    "version": 1
  }
}