Pith Number

pith:2CRG7KVH

pith:2018:2CRG7KVHEFYIISV7Y4V2LHF25T

not attested not anchored not stored refs pending

Mathematical optimization of treatment schedules

Bram L. Gorissen, Jan Unkelbach, Thomas R. Bortfeld

arxiv:1810.12872 v1 · 2018-10-30 · 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{2CRG7KVHEFYIISV7Y4V2LHF25T}

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	2026-05-18T00:01:53.936041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a26faaa72170844abfc72ba59cbaecf14769c0eaca83f1208f03a8edafd29b

Aliases

arxiv: 1810.12872 · arxiv_version: 1810.12872v1 · doi: 10.48550/arxiv.1810.12872 · pith_short_12: 2CRG7KVHEFYI · pith_short_16: 2CRG7KVHEFYIISV7 · pith_short_8: 2CRG7KVH

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/2CRG7KVHEFYIISV7Y4V2LHF25T \
  | 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: d0a26faaa72170844abfc72ba59cbaecf14769c0eaca83f1208f03a8edafd29b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a7b627dd5b5162fa0abb16fa4fe62010dfc70fb29d391da8776d7263ac961bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-10-30T17:16:42Z",
    "title_canon_sha256": "1a1c5134691602ae166074f9e5a9c0ff7c027c4e7dac2e54a69ac51670850c45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12872",
    "kind": "arxiv",
    "version": 1
  }
}