Pith Number

pith:EXH2LFHQ

pith:2021:EXH2LFHQMJMFZFSX5ACXPZAOT5

not attested not anchored not stored refs pending

A projection-domain low-count quantitative SPECT method for alpha-particle emitting radiopharmaceutical therapy

Abhinav K. Jha, Brian C. Baumann, Daniel L. J. Thorek, David H. Ballard, Diane S. Abou, Farrokh Dehdashti, Jonathan Liu, Nadia Benabdallah, Richard Laforest, Richard L. Wahl, Uday Jammalamadaka, Zekun Li

arxiv:2107.00740 v3 · 2021-07-01 · 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{EXH2LFHQMJMFZFSX5ACXPZAOT5}

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	2026-07-05T04:22:28.995441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25cfa594f062585c9657e80577e40e9f6d9c9ca4cf22cafcdd71e534c59530ac

Aliases

arxiv: 2107.00740 · arxiv_version: 2107.00740v3 · doi: 10.48550/arxiv.2107.00740 · pith_short_12: EXH2LFHQMJMF · pith_short_16: EXH2LFHQMJMFZFSX · pith_short_8: EXH2LFHQ

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/EXH2LFHQMJMFZFSX5ACXPZAOT5 \
  | 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: 25cfa594f062585c9657e80577e40e9f6d9c9ca4cf22cafcdd71e534c59530ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90433de47287084404024b841c823eed713c40ff778574d37eb59b367f19031f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-07-01T20:37:24Z",
    "title_canon_sha256": "944bec936808f62b23442258965a8e5e57934c5e5a4aa8020c00482427edbbce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00740",
    "kind": "arxiv",
    "version": 3
  }
}