Pith Number

pith:HMXV37OK

pith:2015:HMXV37OKPMLBR4635P3FPDGLE5

not attested not anchored not stored refs pending

The Proton Therapy Nozzles at Samsung Medical Center: A Monte Carlo Simulation Study using TOPAS

Dae-Hyun Kim, Jinsung Kim, Kwangzoo Chung, Sunghwan Ahn, Youngyih Han

arxiv:1503.03133 v2 · 2015-03-11 · 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{HMXV37OKPMLBR4635P3FPDGLE5}

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	2026-05-18T02:00:02.121467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b2f5dfdca7b1618f3dbebf6578ccb277ac1262595eb9d7b4562e05f181cd42e

Aliases

arxiv: 1503.03133 · arxiv_version: 1503.03133v2 · doi: 10.48550/arxiv.1503.03133 · pith_short_12: HMXV37OKPMLB · pith_short_16: HMXV37OKPMLBR463 · pith_short_8: HMXV37OK

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/HMXV37OKPMLBR4635P3FPDGLE5 \
  | 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: 3b2f5dfdca7b1618f3dbebf6578ccb277ac1262595eb9d7b4562e05f181cd42e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4661d13451d3569198c006737cd91aaed15de7a6ceb71650a90356803dfc4aaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2015-03-11T00:32:42Z",
    "title_canon_sha256": "cfdc508f419b6cf3473627dbee27aaa6050efc219892d5945979b016e57384ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03133",
    "kind": "arxiv",
    "version": 2
  }
}