Pith Number

pith:J3P44I2P

pith:2018:J3P44I2PX33QQ256RDKKUKJB6T

not attested not anchored not stored refs pending

Simple stopping criteria for information theoretic feature selection

Jose C. Principe, Shujian Yu

arxiv:1811.11971 v2 · 2018-11-29 · cs.CV · cs.IT · math.IT · 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{J3P44I2PX33QQ256RDKKUKJB6T}

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	2026-05-17T23:55:19.004818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4edfce234fbef7086bbe88d4aa2921f4d271cc10f5d2374d090a07d07a03866a

Aliases

arxiv: 1811.11971 · arxiv_version: 1811.11971v2 · doi: 10.48550/arxiv.1811.11971 · pith_short_12: J3P44I2PX33Q · pith_short_16: J3P44I2PX33QQ256 · pith_short_8: J3P44I2P

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/J3P44I2PX33QQ256RDKKUKJB6T \
  | 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: 4edfce234fbef7086bbe88d4aa2921f4d271cc10f5d2374d090a07d07a03866a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d6b00ef8e779ea4cd08f0bd69233da1c7caf7f6164839b67e6deaa05a5ebb78",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-29T05:24:28Z",
    "title_canon_sha256": "ab9902fef24dc01a5418804be8a6b407630c4cc5d44ded4c49a3a1b6b8ff1887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11971",
    "kind": "arxiv",
    "version": 2
  }
}