Pith Number

pith:SQFWLPKB

pith:2025:SQFWLPKBURCY6WEQU3VMKWBSIV

not attested not anchored not stored refs pending

A parallel algorithm for generating Pareto-optimal radiosurgery treatment plans

Daniel Hern\'andez Escobar, H{\aa}kan Nordstr\"om, Jens Sj\"olund, Joakim da Silva, Tor Kjellsson Lindblom

arxiv:2509.08602 v1 · 2025-09-10 · 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{SQFWLPKBURCY6WEQU3VMKWBSIV}

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	2026-07-05T12:08:32.908120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

940b65bd41a4458f5890a6eac55832454fa2ae171bb5583578393012c47b7c8a

Aliases

arxiv: 2509.08602 · arxiv_version: 2509.08602v1 · doi: 10.48550/arxiv.2509.08602 · pith_short_12: SQFWLPKBURCY · pith_short_16: SQFWLPKBURCY6WEQ · pith_short_8: SQFWLPKB

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/SQFWLPKBURCY6WEQU3VMKWBSIV \
  | 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: 940b65bd41a4458f5890a6eac55832454fa2ae171bb5583578393012c47b7c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ac281013b5e21f91ce36e1dbf4a2c2d3236137f4ee3390893fbf38a7b2831a7",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-09-10T14:01:49Z",
    "title_canon_sha256": "c1ec324d187354f68e38e88ec362c80c9e46593ab7916dea564e1fd275099a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08602",
    "kind": "arxiv",
    "version": 1
  }
}