Pith Number

pith:P4V7XAQ4

pith:2016:P4V7XAQ43JB2WLQQ3RYQ5ZGO67

not attested not anchored not stored refs pending

Clinically applicable Monte Carlo-based biological dose optimization for the treatment of head and neck cancers with spot-scanning proton therapy

C. Beltran, C. R. Kreofsky, D. Ma, H. Wan Chan Tseung, J. Ma

arxiv:1603.03115 v3 · 2016-03-10 · 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{P4V7XAQ43JB2WLQQ3RYQ5ZGO67}

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	2026-05-18T01:02:56.518171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f2bfb821cda43ab2e10dc710ee4cef7f1c61ae8926dfae585fe4d31f5b7bb26

Aliases

arxiv: 1603.03115 · arxiv_version: 1603.03115v3 · doi: 10.48550/arxiv.1603.03115 · pith_short_12: P4V7XAQ43JB2 · pith_short_16: P4V7XAQ43JB2WLQQ · pith_short_8: P4V7XAQ4

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/P4V7XAQ43JB2WLQQ3RYQ5ZGO67 \
  | 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: 7f2bfb821cda43ab2e10dc710ee4cef7f1c61ae8926dfae585fe4d31f5b7bb26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57965edcde583053898450a27b2c7f136611f323fa1c770b37e95ae72601672",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2016-03-10T00:45:18Z",
    "title_canon_sha256": "d64b6a0b2f825fb1ae38e76e2b0c3fc701ea06b6b23e830fe3afb69320656d75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03115",
    "kind": "arxiv",
    "version": 3
  }
}