Pith Number

pith:4CFFZM7F

pith:2009:4CFFZM7FG6CVEBEEDQGBBJFDSH

not attested not anchored not stored refs pending

The Feature Importance Ranking Measure

Alexander Zien, Gunnar Raetsch, Nicole Kraemer, Soeren Sonnenburg

arxiv:0906.4258 v1 · 2009-06-23 · 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{4CFFZM7FG6CVEBEEDQGBBJFDSH}

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	2026-05-18T04:42:22.121261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e08a5cb3e537855204841c0c10a4a391cd126dd070f62d142663fb07013a9394

Aliases

arxiv: 0906.4258 · arxiv_version: 0906.4258v1 · doi: 10.48550/arxiv.0906.4258 · pith_short_12: 4CFFZM7FG6CV · pith_short_16: 4CFFZM7FG6CVEBEE · pith_short_8: 4CFFZM7F

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/4CFFZM7FG6CVEBEEDQGBBJFDSH \
  | 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: e08a5cb3e537855204841c0c10a4a391cd126dd070f62d142663fb07013a9394

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "642b1ba3f2c5e8ea0fc74d85e99b967bb786d7623fb41ee2c68137f77874af83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2009-06-23T13:45:10Z",
    "title_canon_sha256": "e4235fb811ca73380c37748d3caa8397f09f279b369afd1c85abe540050c3d4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4258",
    "kind": "arxiv",
    "version": 1
  }
}