Pith Number

pith:ZTI2ABXO

pith:2026:ZTI2ABXOGTONGYGLYBLQVLZGKN

not attested not anchored not stored refs pending

LO-FAR: A Cost-Aware Local Filter for Sparse Feature Ranking in Industrial Ad Recommendation

Egemen Erbayat, Luis Duque, Mohammad Amin, Sohini Roychowdhury, Srihari Reddy

arxiv:2607.20873 v1 · 2026-07-23 · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZTI2ABXOGTONGYGLYBLQVLZGKN}

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	2026-07-24T00:23:39.276493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccd1a006ee34dcd360cbc0570aaf2653792c0f2670f9aa89dc7f35a8c88e673a

Aliases

arxiv: 2607.20873 · arxiv_version: 2607.20873v1 · doi: 10.48550/arxiv.2607.20873 · pith_short_12: ZTI2ABXOGTON · pith_short_16: ZTI2ABXOGTONGYGL · pith_short_8: ZTI2ABXO

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/ZTI2ABXOGTONGYGLYBLQVLZGKN \
  | 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: ccd1a006ee34dcd360cbc0570aaf2653792c0f2670f9aa89dc7f35a8c88e673a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a1c69023c59a3053764372642dc6773a3f9af26b45c398b9cfdf2da4c056904",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-23T02:52:41Z",
    "title_canon_sha256": "6aad7d26fee4ebad57f28e3508cbc5f8894da991e32bb4e00fab4b8c9119dd4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20873",
    "kind": "arxiv",
    "version": 1
  }
}