Pith Number

pith:FUEUKKEI

pith:2019:FUEUKKEIBU2ITNEDBPPO5JGRQN

not attested not anchored not stored refs pending

Using a 3D printer for 2D beam profile measurements in proton radiotherapy

Bernard Gottschalk, Ethan W. Cascio

arxiv:1908.03763 v1 · 2019-08-10 · physics.ins-det · 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{FUEUKKEIBU2ITNEDBPPO5JGRQN}

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	2026-07-04T23:53:18.069147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d094528880d3489b4830bdeeea4d18379d21f58c022198c88321d000e128ddc

Aliases

arxiv: 1908.03763 · arxiv_version: 1908.03763v1 · doi: 10.48550/arxiv.1908.03763 · pith_short_12: FUEUKKEIBU2I · pith_short_16: FUEUKKEIBU2ITNED · pith_short_8: FUEUKKEI

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/FUEUKKEIBU2ITNEDBPPO5JGRQN \
  | 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: 2d094528880d3489b4830bdeeea4d18379d21f58c022198c88321d000e128ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93c172c2e4aa1a6f58d4a2cc01b7e4f982047425d7194f3479ca96892bfdf673",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2019-08-10T14:25:39Z",
    "title_canon_sha256": "4e4448fd762e22746cee765e9de3cafd83d5a95930e2c6003f573354d60c0321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03763",
    "kind": "arxiv",
    "version": 1
  }
}