Pith Number

pith:C42P72QC

pith:2010:C42P72QCTU7TLCBLH6I4C2GNNU

not attested not anchored not stored refs pending

Modeling of beam customization devices in the pencil beam splitting algorithm for heavy charged particle radiotherapy

Nobuyuki Kanematsu

arxiv:1009.1972 v2 · 2010-09-10 · 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{C42P72QCTU7TLCBLH6I4C2GNNU}

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	2026-05-18T04:04:54.988222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1734ffea029d3f35882b3f91c168cd6d20a6981aa3890a98e2686d9601eab42a

Aliases

arxiv: 1009.1972 · arxiv_version: 1009.1972v2 · doi: 10.48550/arxiv.1009.1972 · pith_short_12: C42P72QCTU7T · pith_short_16: C42P72QCTU7TLCBL · pith_short_8: C42P72QC

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/C42P72QCTU7TLCBLH6I4C2GNNU \
  | 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: 1734ffea029d3f35882b3f91c168cd6d20a6981aa3890a98e2686d9601eab42a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e1600ab4a4265ab1e36592878aa06de677fa6a9a743c919becd890b4d4e500d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2010-09-10T10:05:05Z",
    "title_canon_sha256": "3f420cadb5b6bdd25f5618c573c3d3532a5b7129d4be1fd3c144e7bfc40a0d13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1972",
    "kind": "arxiv",
    "version": 2
  }
}