Pith Number

pith:7ST6X4DI

pith:2018:7ST6X4DIHLBCMJ6PWPQFYKSUFN

not attested not anchored not stored refs pending

Radiotherapy Proton Interactions in Matter

Bernard Gottschalk

arxiv:1804.00022 v1 · 2018-03-30 · 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{7ST6X4DIHLBCMJ6PWPQFYKSUFN}

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	2026-05-18T00:19:40.752847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fca7ebf0683ac22627cfb3e05c2a542b7ec67f64a9ad717f9c0141b4b663a9fb

Aliases

arxiv: 1804.00022 · arxiv_version: 1804.00022v1 · doi: 10.48550/arxiv.1804.00022 · pith_short_12: 7ST6X4DIHLBC · pith_short_16: 7ST6X4DIHLBCMJ6P · pith_short_8: 7ST6X4DI

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/7ST6X4DIHLBCMJ6PWPQFYKSUFN \
  | 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: fca7ebf0683ac22627cfb3e05c2a542b7ec67f64a9ad717f9c0141b4b663a9fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e49dbe586848c470d3396d26baea8daafbb7d1cb87fcf9801a2eddb358b55ec1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-03-30T18:23:02Z",
    "title_canon_sha256": "b2c5bb19dee0694f44bb1bf49aa39cef652630fba5bf0c24f0c69ba866ac04b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00022",
    "kind": "arxiv",
    "version": 1
  }
}