Pith Number

pith:PQ5SUQ2B

pith:2018:PQ5SUQ2BYTJEGORHWHXXWHKV23

not attested not anchored not stored refs pending

Probabilistic Graphical Modeling approach to dynamic PET direct parametric map estimation and image reconstruction

Luigi Landini, Maria Filomena Santarelli, Michele Scipioni, Stefano Pedemonte

arxiv:1808.08286 v1 · 2018-08-24 · stat.AP · physics.data-an · physics.med-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ5SUQ2BYTJEGORHWHXXWHKV23}

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	2026-05-18T00:07:21.590445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3b2a4341c4d2433a27b1ef7b1d55d6c2574f9ec52e8479c22f5435573c2f6a

Aliases

arxiv: 1808.08286 · arxiv_version: 1808.08286v1 · doi: 10.48550/arxiv.1808.08286 · pith_short_12: PQ5SUQ2BYTJE · pith_short_16: PQ5SUQ2BYTJEGORH · pith_short_8: PQ5SUQ2B

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/PQ5SUQ2BYTJEGORHWHXXWHKV23 \
  | 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: 7c3b2a4341c4d2433a27b1ef7b1d55d6c2574f9ec52e8479c22f5435573c2f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15da96aa27f1db51043b4376193c410f8b0ac2ecc86b11b886a87a1961553d80",
    "cross_cats_sorted": [
      "physics.data-an",
      "physics.med-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-08-24T19:44:30Z",
    "title_canon_sha256": "d4fda0638ac679768c6079aca31c75285681c4edbb0c1b742fd28c57a1abfb8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08286",
    "kind": "arxiv",
    "version": 1
  }
}