Pith Number

pith:OYYKQO3G

pith:2011:OYYKQO3GPL3TWJJSER2JMU3YWJ

not attested not anchored not stored refs pending

Technical Note: Radiotherapy dose calculations using GEANT4 and the Amazon Elastic Compute Cloud

Christian M Langton, Christopher M Poole, Iwan Cornelius, Jamie V Trapp

arxiv:1105.1408 v1 · 2011-05-07 · 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{OYYKQO3GPL3TWJJSER2JMU3YWJ}

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	2026-05-18T04:22:39.497820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7630a83b667af73b25322474965378b25b25a244bc9485ad8a6cfc64c9fd7702

Aliases

arxiv: 1105.1408 · arxiv_version: 1105.1408v1 · doi: 10.48550/arxiv.1105.1408 · pith_short_12: OYYKQO3GPL3T · pith_short_16: OYYKQO3GPL3TWJJS · pith_short_8: OYYKQO3G

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/OYYKQO3GPL3TWJJSER2JMU3YWJ \
  | 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: 7630a83b667af73b25322474965378b25b25a244bc9485ad8a6cfc64c9fd7702

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "986bd648c3bd692b808f2df392ea95062526edc7669344ea06e25ceed0e41beb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2011-05-07T01:50:35Z",
    "title_canon_sha256": "5b106d92e984414771062c651f2e490d4681cf794f2ca80a4535c078bd19c738"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1408",
    "kind": "arxiv",
    "version": 1
  }
}