Pith Number

pith:AC44KIMA

pith:2025:AC44KIMACOQRQJT2Q6FBZPTAVW

not attested not anchored not stored refs pending

Quantitative Macromolecular Proton Fraction Imaging using Pulsed Spin-Lock

((1) Department of Imaging, 2), Baiyan Jiang (1, Interventional Radiology (2) Illumination Medical Technology Limited (3) Department of Medicine, Jian Hou (1), Qianxue Shan (1), Qiuyi Shen (1), Therapeutics), Vincent WS Wong (3), Weitian Chen (1), Winnie CW Chu (1), Ziqiang Yu (1)

arxiv:2505.21853 v1 · 2025-05-28 · physics.med-ph · physics.app-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{AC44KIMACOQRQJT2Q6FBZPTAVW}

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	2026-07-05T11:11:04.847025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00b9c5218013a118267a878a1cbe60adbe81b187e7fe6a08572735800cdef379

Aliases

arxiv: 2505.21853 · arxiv_version: 2505.21853v1 · doi: 10.48550/arxiv.2505.21853 · pith_short_12: AC44KIMACOQR · pith_short_16: AC44KIMACOQRQJT2 · pith_short_8: AC44KIMA

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/AC44KIMACOQRQJT2Q6FBZPTAVW \
  | 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: 00b9c5218013a118267a878a1cbe60adbe81b187e7fe6a08572735800cdef379

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e66023dc051076118cff6e996201ab01b3a69a918becbdc9102bd26e77f08b0",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-05-28T00:53:45Z",
    "title_canon_sha256": "9285ab8498594d9856171cdf0b5aa65e1cab434f3d762d02e2e31b6e6f9c9b00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21853",
    "kind": "arxiv",
    "version": 1
  }
}