Pith Number

pith:S3DFRI46

pith:2021:S3DFRI46T4SSTVLLC5V66F6JFY

not attested not anchored not stored refs pending

Direct PET Image Reconstruction Incorporating Deep Image Prior and a Forward Projection Model

Fumio Hashimoto, Kibo Ote

arxiv:2109.00768 v1 · 2021-09-02 · physics.med-ph · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S3DFRI46T4SSTVLLC5V66F6JFY}

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	2026-07-05T09:26:10.576893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96c658a39e9f2529d56b176bef17c92e2615e14818085b5c82f2b6bd8e601968

Aliases

arxiv: 2109.00768 · arxiv_version: 2109.00768v1 · doi: 10.48550/arxiv.2109.00768 · pith_short_12: S3DFRI46T4SS · pith_short_16: S3DFRI46T4SSTVLL · pith_short_8: S3DFRI46

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/S3DFRI46T4SSTVLLC5V66F6JFY \
  | 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: 96c658a39e9f2529d56b176bef17c92e2615e14818085b5c82f2b6bd8e601968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4d5cc79456b1814499e7fcad88ebb2f199818a4aeab84a83238cd6ca7f6c6f7",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-09-02T08:07:58Z",
    "title_canon_sha256": "85d21529bf1e630ddbbe024ceb395ec948d09158767c96c56eb77961fea06cc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00768",
    "kind": "arxiv",
    "version": 1
  }
}