Pith Number

pith:M3NA67CK

pith:2018:M3NA67CKWEG4A5GDGASOTYINU2

not attested not anchored not stored refs pending

A Convex Optimization Approach to Radiation Treatment Planning with Dose Constraints

Anqi Fu, Baris Ungun, Lei Xing, Stephen Boyd

arxiv:1809.00744 v2 · 2018-09-03 · 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{M3NA67CKWEG4A5GDGASOTYINU2}

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	2026-05-17T23:52:15.667110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66da0f7c4ab10dc074c33024e9e10da6b6d09a227186ef362ca3309c645a8c23

Aliases

arxiv: 1809.00744 · arxiv_version: 1809.00744v2 · doi: 10.48550/arxiv.1809.00744 · pith_short_12: M3NA67CKWEG4 · pith_short_16: M3NA67CKWEG4A5GD · pith_short_8: M3NA67CK

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/M3NA67CKWEG4A5GDGASOTYINU2 \
  | 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: 66da0f7c4ab10dc074c33024e9e10da6b6d09a227186ef362ca3309c645a8c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c24817de006f9ad3ea8a9dfbb1917cffd7ad994b69e77d83c7d6a6bc22d7550",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-09-03T23:33:39Z",
    "title_canon_sha256": "3c5e87248b7d21b7cece055b9b1000627c64f9bc46110eb2be550bb766c4b0ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00744",
    "kind": "arxiv",
    "version": 2
  }
}