Pith Number

pith:FXDAINDT

pith:2019:FXDAINDTHSA5CIW256PRLMKHEF

not attested not anchored not stored refs pending

DirectPET: Full Size Neural Network PET Reconstruction from Sinogram Data

Jens Gregor, William Whiteley, Wing K. Luk

arxiv:1908.07516 v4 · 2019-08-19 · eess.IV · cs.CV · 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{FXDAINDTHSA5CIW256PRLMKHEF}

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	2026-07-05T00:40:14.152768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dc60434733c81d122daef9f15b1472144659cb907826e87e0016586f13b8394

Aliases

arxiv: 1908.07516 · arxiv_version: 1908.07516v4 · doi: 10.48550/arxiv.1908.07516 · pith_short_12: FXDAINDTHSA5 · pith_short_16: FXDAINDTHSA5CIW2 · pith_short_8: FXDAINDT

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/FXDAINDTHSA5CIW256PRLMKHEF \
  | 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: 2dc60434733c81d122daef9f15b1472144659cb907826e87e0016586f13b8394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ff3ca57b26c7c37fc6e701fdf12f69fd50efe59aaa2d85679b939ed5657d0d",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-08-19T19:03:13Z",
    "title_canon_sha256": "279d5d8e7f7d12df5176ecd4b0a96dbcd5088aac33ca83e5c60d1a101915a717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07516",
    "kind": "arxiv",
    "version": 4
  }
}