Pith Number

pith:5FULE6TY

pith:2023:5FULE6TYOR2XG73JZWES5CDVGP

not attested not anchored not stored refs pending

ReconU-Net: a direct PET image reconstruction using U-Net architecture with back projection-induced skip connection

Fumio Hashimoto, Kibo Ote

arxiv:2312.02494 v1 · 2023-12-05 · 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{5FULE6TYOR2XG73JZWES5CDVGP}

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	2026-07-05T08:47:48.447783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e968b27a787475737f69cd892e887533c1794b289bf66ea2d10566dd8dc8025d

Aliases

arxiv: 2312.02494 · arxiv_version: 2312.02494v1 · doi: 10.48550/arxiv.2312.02494 · pith_short_12: 5FULE6TYOR2X · pith_short_16: 5FULE6TYOR2XG73J · pith_short_8: 5FULE6TY

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/5FULE6TYOR2XG73JZWES5CDVGP \
  | 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: e968b27a787475737f69cd892e887533c1794b289bf66ea2d10566dd8dc8025d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a0a9e90058e2359cff14afd7de4c4530f6385bd9faa51a3defcd6a45fcf171",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2023-12-05T04:51:42Z",
    "title_canon_sha256": "5df1da5a03beb4437ff527ab040bb52a4142184e33571b859aadb53e40b10aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.02494",
    "kind": "arxiv",
    "version": 1
  }
}