Pith Number

pith:XNB7JLBL

pith:2018:XNB7JLBLFITESRRCTWBIJC6ZMA

not attested not anchored not stored refs pending

Increased accuracy of planning tools for optimization of dynamic multileaf collimator delivery of radiotherapy through reformulated objective functions

Anders Forsgren, Kjell Eriksson, Lovisa Engberg

arxiv:1802.00619 v2 · 2018-02-02 · math.OC · 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{XNB7JLBLFITESRRCTWBIJC6ZMA}

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	2026-05-18T00:02:35.747793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb43f4ac2b2a264946229d82848bd960012b71f8102d5edae64e6bceb0ecf3e2

Aliases

arxiv: 1802.00619 · arxiv_version: 1802.00619v2 · doi: 10.48550/arxiv.1802.00619 · pith_short_12: XNB7JLBLFITE · pith_short_16: XNB7JLBLFITESRRC · pith_short_8: XNB7JLBL

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/XNB7JLBLFITESRRCTWBIJC6ZMA \
  | 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: bb43f4ac2b2a264946229d82848bd960012b71f8102d5edae64e6bceb0ecf3e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "888c6ed0d5fb32d20e441b856e00c07a4e9960e958f7fa3d927207e0450d5e15",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-02T09:50:39Z",
    "title_canon_sha256": "8c2a2140978b63eef1db1f01bf9cf9882b2d351622dbe7b6c00f258b53c6a568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00619",
    "kind": "arxiv",
    "version": 2
  }
}