Pith Number

pith:SU7BELSL

pith:2021:SU7BELSLUJ2GAZ4ZSWVFI3JTLS

not attested not anchored not stored refs pending

Automatic Inverse Treatment Planning for Gamma Knife Radiosurgery via Deep Reinforcement Learning

Chenyang Shen, Hui-Kuo Shu, Jiahan Zhang, Shannon Kahn, Tian Liu, Tonghe Wang, Xiaofeng Yang, Yingzi Liu, Zhen Tian

arxiv:2109.06813 v1 · 2021-09-14 · 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{SU7BELSLUJ2GAZ4ZSWVFI3JTLS}

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	2026-07-05T05:05:27.582672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

953e122e4ba27460679995aa546d335cb571d94fe656fc311d9828d89b99e90f

Aliases

arxiv: 2109.06813 · arxiv_version: 2109.06813v1 · doi: 10.48550/arxiv.2109.06813 · pith_short_12: SU7BELSLUJ2G · pith_short_16: SU7BELSLUJ2GAZ4Z · pith_short_8: SU7BELSL

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/SU7BELSLUJ2GAZ4ZSWVFI3JTLS \
  | 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: 953e122e4ba27460679995aa546d335cb571d94fe656fc311d9828d89b99e90f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15c343b091b2700d5b5aeef19bd5f5bc1ec13240f3bf811aa4082cf2d273f839",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-09-14T16:48:08Z",
    "title_canon_sha256": "52bcf645ac444c84cb189989828d41f796abca40c2dac089d79cec718ebe2394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06813",
    "kind": "arxiv",
    "version": 1
  }
}