Pith Number

pith:SBKSJ4ZC

pith:2024:SBKSJ4ZC7XYWHE43LIPH2KWPMG

not attested not anchored not stored refs pending

CTLESS: A scatter-window projection and deep learning-based transmission-less attenuation compensation method for myocardial perfusion SPECT

Abhinav K. Jha, Barry A. Siegel, Craig K. Abbey, Md Ashequr Rahman, Nancy A. Obuchowski, Richard Laforest, Zitong Yu

arxiv:2409.07761 v1 · 2024-09-12 · 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{SBKSJ4ZC7XYWHE43LIPH2KWPMG}

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	2026-07-05T09:06:14.708550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

905524f322fdf163939b5a1e7d2acf61985c99b27ef44be9bdc327cf785cd372

Aliases

arxiv: 2409.07761 · arxiv_version: 2409.07761v1 · doi: 10.48550/arxiv.2409.07761 · pith_short_12: SBKSJ4ZC7XYW · pith_short_16: SBKSJ4ZC7XYWHE43 · pith_short_8: SBKSJ4ZC

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/SBKSJ4ZC7XYWHE43LIPH2KWPMG \
  | 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: 905524f322fdf163939b5a1e7d2acf61985c99b27ef44be9bdc327cf785cd372

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9da1d63125703a0736913ea36c1d10f8a512cf011975da9209151ceab8394a04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2024-09-12T05:35:23Z",
    "title_canon_sha256": "90d3c35fc10a3b80b95c37f2f92d6a022fd1313a3677cf15b928a9c135da5b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.07761",
    "kind": "arxiv",
    "version": 1
  }
}