Pith Number

pith:W7RFJQKC

pith:2021:W7RFJQKC37ESEF7DTAMSME6YBQ

not attested not anchored not stored refs pending

Optimal Needle Placement for Prostate Rotating-Shield Brachytherapy (RSBT)

Jirong Yi, John M. Buatti, Karolyn M. Hopfensperger, Quentin E. Adams, Ryan T. Flynn, Weiyu Xu, Xiaodong Wu, Yusung Kim

arxiv:2110.07841 v1 · 2021-10-15 · 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{W7RFJQKC37ESEF7DTAMSME6YBQ}

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	2026-07-05T03:22:50.603020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7e254c142dfc92217e398192613d80c3a571851ff1a205814fce1735cfa428d

Aliases

arxiv: 2110.07841 · arxiv_version: 2110.07841v1 · doi: 10.48550/arxiv.2110.07841 · pith_short_12: W7RFJQKC37ES · pith_short_16: W7RFJQKC37ESEF7D · pith_short_8: W7RFJQKC

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/W7RFJQKC37ESEF7DTAMSME6YBQ \
  | 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: b7e254c142dfc92217e398192613d80c3a571851ff1a205814fce1735cfa428d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e9021d59fe6c76f59d45551dd0ecc96376219a6a332b412ace3c9b35b1bd3e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-10-15T03:51:25Z",
    "title_canon_sha256": "2c6520f61df1d102320cac7b53af59bb7ea53c5713aeaacd61b698db87a264c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07841",
    "kind": "arxiv",
    "version": 1
  }
}