Pith Number

pith:ZYDYXM6J

pith:2019:ZYDYXM6JT63ISAEYIKE5OVK2MJ

not attested not anchored not stored refs pending

Categorical Feature Compression via Submodular Optimization

Afshin Rostamizadeh, Hossein Esfandiari, Lin Chen, MohammadHossein Bateni, Thomas Fu, Vahab S. Mirrokni

arxiv:1904.13389 v1 · 2019-04-30 · cs.LG · cs.AI · cs.DS · 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{ZYDYXM6JT63ISAEYIKE5OVK2MJ}

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	2026-05-17T23:47:21.466166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce078bb3c99fb68900984289d7555a62645dc814d299cd54aea520517da382f5

Aliases

arxiv: 1904.13389 · arxiv_version: 1904.13389v1 · doi: 10.48550/arxiv.1904.13389 · pith_short_12: ZYDYXM6JT63I · pith_short_16: ZYDYXM6JT63ISAEY · pith_short_8: ZYDYXM6J

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/ZYDYXM6JT63ISAEYIKE5OVK2MJ \
  | 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: ce078bb3c99fb68900984289d7555a62645dc814d299cd54aea520517da382f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4873bf31eb59eeec64369f5c550cb117d885ca39499d0cf6528e74b44f9a766",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS",
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-30T17:45:13Z",
    "title_canon_sha256": "0d623f11816761f16041308672e19a73b0342d88e6fd46afe004105226429848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13389",
    "kind": "arxiv",
    "version": 1
  }
}