Pith Number

pith:NV3QBXLJ

pith:2019:NV3QBXLJLCHPXJ4HNTSTO3LRRE

not attested not anchored not stored refs pending

A GPU-based multi-criteria optimization algorithm for HDR brachytherapy

C\'edric B\'elanger, J. Adam M. Cunha, Luc Beaulieu, Philippe Despr\'es, Songye Cui, Yunzhi Ma

arxiv:1904.01567 v1 · 2019-04-02 · 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{NV3QBXLJLCHPXJ4HNTSTO3LRRE}

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	2026-05-17T23:45:26.982181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7700dd69588efba7876ce5376d71890ea044ac85c3fe93f3c456a4fc54da7f

Aliases

arxiv: 1904.01567 · arxiv_version: 1904.01567v1 · doi: 10.48550/arxiv.1904.01567 · pith_short_12: NV3QBXLJLCHP · pith_short_16: NV3QBXLJLCHPXJ4H · pith_short_8: NV3QBXLJ

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/NV3QBXLJLCHPXJ4HNTSTO3LRRE \
  | 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: 6d7700dd69588efba7876ce5376d71890ea044ac85c3fe93f3c456a4fc54da7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4952fb3973bbbdaa7fd942c44f7d05bae48fdd2b2cae3f25c0cd72e25331426",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-04-02T17:54:55Z",
    "title_canon_sha256": "c45676ed1fbc3f58313a5eb132076acde6769433affa3ca5e9f1a1d15b0388df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01567",
    "kind": "arxiv",
    "version": 1
  }
}