Pith Number

pith:F7FRG7T3

pith:2025:F7FRG7T3FXOHEQQF4L6O437YN3

not attested not anchored not stored refs pending

Optimization models for needle placement in 3D-printed masks for high dose rate brachytherapy

Christopher Wilke, David Sterling, Jean-Philippe P. Richard, Nasim Mirzavand Boroujeni

arxiv:2503.06000 v1 · 2025-03-08 · physics.med-ph · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7FRG7T3FXOHEQQF4L6O437YN3}

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	2026-07-05T10:26:51.304982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fcb137e7b2ddc724205e2fcee6ff86ef071b84a32da8a282b08d96eda16e780

Aliases

arxiv: 2503.06000 · arxiv_version: 2503.06000v1 · doi: 10.48550/arxiv.2503.06000 · pith_short_12: F7FRG7T3FXOH · pith_short_16: F7FRG7T3FXOHEQQF · pith_short_8: F7FRG7T3

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/F7FRG7T3FXOHEQQF4L6O437YN3 \
  | 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: 2fcb137e7b2ddc724205e2fcee6ff86ef071b84a32da8a282b08d96eda16e780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d452106c416fce538912071ca0ffedde6e049dfd11415c33c8577ab479e81e4",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-03-08T01:02:40Z",
    "title_canon_sha256": "05c0651ecca38523b9a5d8d315355d276d7e51e2c4d56e56be90e0d4eb01f0df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.06000",
    "kind": "arxiv",
    "version": 1
  }
}