Pith Number

pith:S6RIKOSQ

pith:2018:S6RIKOSQ5VILSTAWLCGF5HPB2G

not attested not anchored not stored refs pending

A method to optimize patient specific HU-SP calibration curve from proton range measurements

Edmond Sterpin, Jaroslav Albert, Rudi Labarbe

arxiv:1809.01858 v1 · 2018-09-06 · 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{S6RIKOSQ5VILSTAWLCGF5HPB2G}

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	2026-05-18T00:06:21.782304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97a2853a50ed50b94c16588c5e9de1d198bfe60ee198712b814ded2f568e6423

Aliases

arxiv: 1809.01858 · arxiv_version: 1809.01858v1 · doi: 10.48550/arxiv.1809.01858 · pith_short_12: S6RIKOSQ5VIL · pith_short_16: S6RIKOSQ5VILSTAW · pith_short_8: S6RIKOSQ

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/S6RIKOSQ5VILSTAWLCGF5HPB2G \
  | 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: 97a2853a50ed50b94c16588c5e9de1d198bfe60ee198712b814ded2f568e6423

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3f4ec7ec05ce7badb440ad4a8d5331c7b7f7d0a0c312a9961814116b50fabe3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-09-06T07:41:23Z",
    "title_canon_sha256": "3c5321da3bee706027c9210cf7533e426925a0dcc0b2f406fa3dd5e7643270c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01858",
    "kind": "arxiv",
    "version": 1
  }
}