Pith Number

pith:BWCEFRNK

pith:2022:BWCEFRNKV56K54I2N2UFURCMBX

not attested not anchored not stored refs pending

Neural KEM: A Kernel Method with Deep Coefficient Prior for PET Image Reconstruction

Edward J. Kim, Guobao Wang, Jinyi Qi, Kuang Gong, Ramsey D. Badawi, Siqi Li

arxiv:2201.01443 v2 · 2022-01-05 · 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{BWCEFRNKV56K54I2N2UFURCMBX}

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	2026-07-05T05:09:14.661384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d8442c5aaaf7caef11a6ea85a444c0de93e233ee00172782f70d827bd8e6d15

Aliases

arxiv: 2201.01443 · arxiv_version: 2201.01443v2 · doi: 10.48550/arxiv.2201.01443 · pith_short_12: BWCEFRNKV56K · pith_short_16: BWCEFRNKV56K54I2 · pith_short_8: BWCEFRNK

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/BWCEFRNKV56K54I2N2UFURCMBX \
  | 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: 0d8442c5aaaf7caef11a6ea85a444c0de93e233ee00172782f70d827bd8e6d15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bb05246275c3d4d41bf7dc7cbcca5ed94414226d8e709bcd902cc3d065881d5",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-01-05T04:12:38Z",
    "title_canon_sha256": "35a9a4eff8a090aa1aff5ddf4d1c8bb8e9ae72a93c05c428931dd357f6540ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.01443",
    "kind": "arxiv",
    "version": 2
  }
}