Pith Number

pith:A5EMCCTE

pith:2004:A5EMCCTEDQDPDI7JTK56TKUQPI

not attested not anchored not stored refs pending

Effect of noise and modeling errors on the reliability of fully 3D Monte Carlo reconstruction in SPECT

D. Lazaro, I. Buvat, V. Breton (LPC-Clermont), Z. El Bitar (LPC-Clermont)

arxiv:physics/0412112 v1 · 2004-12-17 · 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{A5EMCCTEDQDPDI7JTK56TKUQPI}

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	2026-05-18T00:58:55.921902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0748c10a641c06f1a3e99abbe9aa907a225340319ed38bdd41373e671baebf60

Aliases

arxiv: physics/0412112 · arxiv_version: physics/0412112v1 · doi: 10.48550/arxiv.physics/0412112 · pith_short_12: A5EMCCTEDQDP · pith_short_16: A5EMCCTEDQDPDI7J · pith_short_8: A5EMCCTE

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/A5EMCCTEDQDPDI7JTK56TKUQPI \
  | 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: 0748c10a641c06f1a3e99abbe9aa907a225340319ed38bdd41373e671baebf60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fedd0d23a1eee560174cab9c1f450674b394f0f77fd12a40ee9e98ac39ec7bdd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2004-12-17T14:49:10Z",
    "title_canon_sha256": "be5aaf24c1602ada882efa87dcc986ae70b7b7ad52dffe4005464f4ff78d8a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0412112",
    "kind": "arxiv",
    "version": 1
  }
}