Pith Number

pith:HDDDUL27

pith:2017:HDDDUL276XLMV5HZEJTK2QUA4S

not attested not anchored not stored refs pending

Comments on the arterial spin labelling quantification recommended by the ISMRM perfusion study group and the European consortium for ASL in dementia

Christian Kerskens

arxiv:1703.04022 v2 · 2017-03-11 · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDDDUL276XLMV5HZEJTK2QUA4S}

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	2026-05-18T00:43:08.535051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38c63a2f5ff5d6caf4f92266ad4280e48a0279484c84cd112ac87cf951012603

Aliases

arxiv: 1703.04022 · arxiv_version: 1703.04022v2 · doi: 10.48550/arxiv.1703.04022 · pith_short_12: HDDDUL276XLM · pith_short_16: HDDDUL276XLMV5HZ · pith_short_8: HDDDUL27

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/HDDDUL276XLMV5HZEJTK2QUA4S \
  | 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: 38c63a2f5ff5d6caf4f92266ad4280e48a0279484c84cd112ac87cf951012603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "371a828677e0c2af815de86a0612e4486fa005c05b41235fa628e22bd939d7f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2017-03-11T19:47:45Z",
    "title_canon_sha256": "44ea7be8a4b30045560f0bb8b425b00fff96ce208f359b50c496da22b5bd3ea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04022",
    "kind": "arxiv",
    "version": 2
  }
}