Pith Number

pith:Z4R3GRQ2

pith:2022:Z4R3GRQ2TXL7VPQRLD3COIK3XZ

not attested not anchored not stored refs pending

Physics-driven Deep Learning for PET/MRI

Abhejit Rajagopal, Andrew P. Leynes, Jessica E. Scholey, Nicholas Dwork, Peder E. Z. Larson, Thomas A. Hope

arxiv:2206.06788 v1 · 2022-06-11 · eess.IV · cs.LG · eess.SP · 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{Z4R3GRQ2TXL7VPQRLD3COIK3XZ}

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	2026-07-05T04:31:45.879570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf23b3461a9dd7fabe1158f627215bbe4a28d766f9f3031a61f7eb14632e3cce

Aliases

arxiv: 2206.06788 · arxiv_version: 2206.06788v1 · doi: 10.48550/arxiv.2206.06788 · pith_short_12: Z4R3GRQ2TXL7 · pith_short_16: Z4R3GRQ2TXL7VPQR · pith_short_8: Z4R3GRQ2

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/Z4R3GRQ2TXL7VPQRLD3COIK3XZ \
  | 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: cf23b3461a9dd7fabe1158f627215bbe4a28d766f9f3031a61f7eb14632e3cce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08a1a7a13599ba2292ff643940038c326100494c63823050631845a2881fc539",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-06-11T21:35:27Z",
    "title_canon_sha256": "d24da32dda21e31d465ca33e6f31c80620ddec2e42abee00dc97630da9d9af26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.06788",
    "kind": "arxiv",
    "version": 1
  }
}