Pith Number

pith:BM66C6VX

pith:2019:BM66C6VXSXB2RTE7PCWCKO5AXC

not attested not anchored not stored refs pending

Spectral Metric for Dataset Complexity Assessment

Andrew Achkar, Frederic Branchaud-Charron, Pierre-Marc Jodoin

arxiv:1905.07299 v1 · 2019-05-17 · cs.LG · 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{BM66C6VXSXB2RTE7PCWCKO5AXC}

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	2026-05-17T23:45:55.926575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b3de17ab795c3a8cc9f78ac253ba0b883cf0c0075f07889b23ed35662612cf3

Aliases

arxiv: 1905.07299 · arxiv_version: 1905.07299v1 · doi: 10.48550/arxiv.1905.07299 · pith_short_12: BM66C6VXSXB2 · pith_short_16: BM66C6VXSXB2RTE7 · pith_short_8: BM66C6VX

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/BM66C6VXSXB2RTE7PCWCKO5AXC \
  | 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: 0b3de17ab795c3a8cc9f78ac253ba0b883cf0c0075f07889b23ed35662612cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "640e54d3e13a9380b6436d38f84bfab00dc9bcd26905a597342fe7ac6b8c9988",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-17T14:40:58Z",
    "title_canon_sha256": "80d41bf0403ea31ef01789b4f1b32049f6697f38323e7df6f4600942c21892d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07299",
    "kind": "arxiv",
    "version": 1
  }
}