Pith Number

pith:OQRLQYVH

pith:2020:OQRLQYVH24NXYQ7OECE2YAZN5P

not attested not anchored not stored refs pending

Fibonacci and k-Subsecting Recursive Feature Elimination

Dariusz Brzezinski

arxiv:2007.14920 v1 · 2020-07-29 · 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{OQRLQYVH24NXYQ7OECE2YAZN5P}

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	2026-07-05T01:23:20.303394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7422b862a7d71b7c43ee2089ac032debd41368ab820e4a135bf601b4b11ae411

Aliases

arxiv: 2007.14920 · arxiv_version: 2007.14920v1 · doi: 10.48550/arxiv.2007.14920 · pith_short_12: OQRLQYVH24NX · pith_short_16: OQRLQYVH24NXYQ7O · pith_short_8: OQRLQYVH

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/OQRLQYVH24NXYQ7OECE2YAZN5P \
  | 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: 7422b862a7d71b7c43ee2089ac032debd41368ab820e4a135bf601b4b11ae411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d359b421b6cfa7cb7a4929f4f5f7a65411c337385e17fccaa84a4f82b4be045a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-29T15:53:04Z",
    "title_canon_sha256": "5886e6c5b650e6151768cfe43e036eba67a0171640decb9558e48065af047d98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.14920",
    "kind": "arxiv",
    "version": 1
  }
}