Pith Number

pith:VMD3LDAH

pith:2015:VMD3LDAHTNSR566EKRR4JH7QHP

not attested not anchored not stored refs pending

Prediction Error Reduction Function as a Variable Importance Score

Ernest Fokou\'e

arxiv:1501.06116 v1 · 2015-01-25 · 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{VMD3LDAHTNSR566EKRR4JH7QHP}

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	2026-05-18T02:28:42.311099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab07b58c079b651efbc45463c49ff03be725a592fbc581a1dc760214db0571f2

Aliases

arxiv: 1501.06116 · arxiv_version: 1501.06116v1 · doi: 10.48550/arxiv.1501.06116 · pith_short_12: VMD3LDAHTNSR · pith_short_16: VMD3LDAHTNSR566E · pith_short_8: VMD3LDAH

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/VMD3LDAHTNSR566EKRR4JH7QHP \
  | 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: ab07b58c079b651efbc45463c49ff03be725a592fbc581a1dc760214db0571f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01d71437a21356ce073ffc8af8149fa05ba11537fed50723b5e9fc4a0638fd7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-01-25T05:12:59Z",
    "title_canon_sha256": "c476f54cef86c7346a8b6de199f08985b09e6c70101f983da1bb5a5b09c709a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06116",
    "kind": "arxiv",
    "version": 1
  }
}