Pith Number

pith:AJ5JT5ZF

pith:2019:AJ5JT5ZFBU6YGIJTFKDTOIKSHC

not attested not anchored not stored refs pending

A Cone-Beam X-Ray CT Data Collection designed for Machine Learning

Felix Lucka, Giulia Colacicco, Henri Der Sarkissian, Kees Joost Batenburg, Maureen van Eijnatten, Sophia Bethany Coban

arxiv:1905.04787 v2 · 2019-05-12 · eess.IV · cs.LG · cs.NA · math.NA · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AJ5JT5ZFBU6YGIJTFKDTOIKSHC}

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	2026-07-05T01:32:56.131986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

027a99f7250d3d8321332a873721523890b30330558fa826041b47221511710d

Aliases

arxiv: 1905.04787 · arxiv_version: 1905.04787v2 · doi: 10.48550/arxiv.1905.04787 · pith_short_12: AJ5JT5ZFBU6Y · pith_short_16: AJ5JT5ZFBU6YGIJT · pith_short_8: AJ5JT5ZF

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/AJ5JT5ZFBU6YGIJTFKDTOIKSHC \
  | 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: 027a99f7250d3d8321332a873721523890b30330558fa826041b47221511710d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012e5b5e2af9f7a1f71ea2454aaf4c934865129dcd5e29d9574ff18f6c6921c7",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-05-12T20:27:38Z",
    "title_canon_sha256": "e56cfaa23bd7b170a9ac7613f562896551d7aa51a0f29915f3f2ef8fcfedf312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04787",
    "kind": "arxiv",
    "version": 2
  }
}