Pith Number

pith:J6JHIIS2

pith:2016:J6JHIIS22DPNOMZEXVNUJU36YC

not attested not anchored not stored refs pending

Machine learning applied to proton radiography

James Sadler, Luke Ceurvorst, Matthew C. Levy, Muhammad Firmansyah Kasim, Naren Ratan, Nicholas F. Y. Chen, Peter Norreys, Raoul Trines, Robert Bingham

arxiv:1608.05582 v2 · 2016-08-19 · physics.comp-ph · physics.plasm-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{J6JHIIS22DPNOMZEXVNUJU36YC}

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	2026-05-18T00:45:36.343123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f9274225ad0ded73324bd5b44d37ec089584dd68d8572a951efa4eb57d2f5ac

Aliases

arxiv: 1608.05582 · arxiv_version: 1608.05582v2 · doi: 10.48550/arxiv.1608.05582 · pith_short_12: J6JHIIS22DPN · pith_short_16: J6JHIIS22DPNOMZE · pith_short_8: J6JHIIS2

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/J6JHIIS22DPNOMZEXVNUJU36YC \
  | 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: 4f9274225ad0ded73324bd5b44d37ec089584dd68d8572a951efa4eb57d2f5ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51ee900258ebb24cb4199d06b45a541baf84274d1a0a07cb7a256ba2fb17ca8b",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2016-08-19T12:40:56Z",
    "title_canon_sha256": "bde0b08103ef4fcca503d215792aed657df455ce6ab0545fa6432beaa9d0576a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05582",
    "kind": "arxiv",
    "version": 2
  }
}