Pith Number

pith:JF5RBRWW

pith:2025:JF5RBRWWFE62SZMOF4JMFBED5U

not attested not anchored not stored refs pending

Double-Constraint Diffusion Model with Nuclear Regularization for Ultra-low-dose PET Reconstruction

Bingxuan Li, Mengxiao Geng, Qiegen Liu, Ran Hong

arxiv:2509.00395 v1 · 2025-08-30 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JF5RBRWWFE62SZMOF4JMFBED5U}

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	2026-07-05T12:02:15.456680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

497b10c6d6293da9658e2f12c28483ed228a267b8e3647cd211166465c647e16

Aliases

arxiv: 2509.00395 · arxiv_version: 2509.00395v1 · doi: 10.48550/arxiv.2509.00395 · pith_short_12: JF5RBRWWFE62 · pith_short_16: JF5RBRWWFE62SZMO · pith_short_8: JF5RBRWW

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/JF5RBRWWFE62SZMOF4JMFBED5U \
  | 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: 497b10c6d6293da9658e2f12c28483ed228a267b8e3647cd211166465c647e16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32114a07bdb85e54c1691b796b67064f0bdfcb81464ac26ec7560c22a0d0965e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-30T07:22:26Z",
    "title_canon_sha256": "592405766e434a8540b49b472efda3ada5aa04973cc5af690ee0ea62d98d2bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00395",
    "kind": "arxiv",
    "version": 1
  }
}