Pith Number

pith:HMD62RPS

pith:2015:HMD62RPSGFVADWAE5IWZMHECYE

not attested not anchored not stored refs pending

3D PET image reconstruction based on Maximum Likelihood Estimation Method (MLEM) algorithm

Adam Strzelecki, Andrzej Kochanowski, Artur S{\l}omski, Eryk Czerwi\'nski, Grzegorz Korcyl, Jakub Kowal, Jerzy Smyrski, Lech Raczy\'nski, {\L}ukasz Kap{\l}on, Marcin Molenda, Marcin Zieli\'nski, Marek Pa{\l}ka, Micha{\l} Silarski, Monika Pawlik, Natalia Zo\'n, Neha Gupta-Sharma, Pawe{\l} Kowalski, Pawe{\l} Moskal, Piotr Bia{\l}as, Piotr Salabura, Szymon Nied\'zwiecki, Tomasz Bednarski, Tomasz Kozik, Wojciech Krzemie\'n, Wojciech Wi\'slicki, Zbigniew Rudy

arxiv:1504.06889 v1 · 2015-04-26 · physics.med-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMD62RPSGFVADWAE5IWZMHECYE}

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	2026-05-18T02:17:44.149072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b07ed45f2316a01d804ea2d961c82c1157d83651fe1aeb0cda6780d935f19ea

Aliases

arxiv: 1504.06889 · arxiv_version: 1504.06889v1 · doi: 10.48550/arxiv.1504.06889 · pith_short_12: HMD62RPSGFVA · pith_short_16: HMD62RPSGFVADWAE · pith_short_8: HMD62RPS

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/HMD62RPSGFVADWAE5IWZMHECYE \
  | 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: 3b07ed45f2316a01d804ea2d961c82c1157d83651fe1aeb0cda6780d935f19ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "636ad9169cdfbd8d4774a1f512fef6907078cf764ba1df79479ed0e599b95a01",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2015-04-26T22:51:26Z",
    "title_canon_sha256": "6d6fd4d259f461a170048437119a6a573c72adf365f062f78ade868ce10f5c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06889",
    "kind": "arxiv",
    "version": 1
  }
}