Pith Number

pith:2MTDXAT3

pith:2015:2MTDXAT3QWTQOL5RIZFYDW6RBV

not attested not anchored not stored refs pending

Study of quality assurance regulations for linear accelerators in Korea: A comparison study between the current status in Korea and the international guidelines

Hyunho Lee, Myonggeun yoon, Seonghoon Jeong, Yunhui Jo

arxiv:1503.03209 v1 · 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{2MTDXAT3QWTQOL5RIZFYDW6RBV}

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	2026-05-18T02:25:04.094948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3263b827b85a7072fb1464b81dbd10d6b190ea31431df463bf4d3ae108c16df

Aliases

arxiv: 1503.03209 · arxiv_version: 1503.03209v1 · doi: 10.48550/arxiv.1503.03209 · pith_short_12: 2MTDXAT3QWTQ · pith_short_16: 2MTDXAT3QWTQOL5R · pith_short_8: 2MTDXAT3

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/2MTDXAT3QWTQOL5RIZFYDW6RBV \
  | 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: d3263b827b85a7072fb1464b81dbd10d6b190ea31431df463bf4d3ae108c16df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74800a5804f02b36a15e3df5f3ff4bbd13811bdee6e1a26418227b22c8de1337",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2015-03-11T08:14:49Z",
    "title_canon_sha256": "0211a81cd64c0813c8786abc6ef22343e8ef73aa3d420421b24670f3672b8e15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03209",
    "kind": "arxiv",
    "version": 1
  }
}