Pith Number

pith:5NQYU44Q

pith:2025:5NQYU44QEDDTFIT6UIYFVPP5H4

not attested not anchored not stored refs pending

Limited-angle SPECT image reconstruction using deep image prior

Fumio Hashimoto, Kazuya Koyama, Kensuke Hori, Takeyuki Hashimoto

arxiv:2503.18342 v1 · 2025-03-24 · physics.med-ph · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NQYU44QEDDTFIT6UIYFVPP5H4}

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	2026-07-05T11:37:17.209777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb618a739020c732a27ea2305abdfd3f0de32e4862c214b23230b16f9c4ea63a

Aliases

arxiv: 2503.18342 · arxiv_version: 2503.18342v1 · doi: 10.48550/arxiv.2503.18342 · pith_short_12: 5NQYU44QEDDT · pith_short_16: 5NQYU44QEDDTFIT6 · pith_short_8: 5NQYU44Q

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/5NQYU44QEDDTFIT6UIYFVPP5H4 \
  | 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: eb618a739020c732a27ea2305abdfd3f0de32e4862c214b23230b16f9c4ea63a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c98b951f9b76c47334b7da1bcf845341551e2d12674d3c25dc7291f8b78ee33",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-03-24T05:02:09Z",
    "title_canon_sha256": "5a7b40f321d487343164edc11d0e20297a4396d362f11c651e2e4cccb8b39185"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.18342",
    "kind": "arxiv",
    "version": 1
  }
}