Pith Number

pith:CBHMO33Q

pith:2026:CBHMO33QYU5QD4PIN3TXD5RO4K

not attested not anchored not stored refs pending

LeAP: Learnable Adaptive Permutation for Feature Selection in Heterogeneous and Sparse Recommender Systems

Chen Chu, Fei Chen, Ruiduan Li, Yihong Huang, Yu Lin, Zhihao Li

arxiv:2606.01111 v1 · 2026-05-31 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CBHMO33QYU5QD4PIN3TXD5RO4K}

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	2026-06-02T02:04:23.780299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

104ec76f70c53b01f1e86ee771f62ee2a0b81c25ab5302ed675a494ed961c4ce

Aliases

arxiv: 2606.01111 · arxiv_version: 2606.01111v1 · doi: 10.48550/arxiv.2606.01111 · pith_short_12: CBHMO33QYU5Q · pith_short_16: CBHMO33QYU5QD4PI · pith_short_8: CBHMO33Q

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/CBHMO33QYU5QD4PIN3TXD5RO4K \
  | 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: 104ec76f70c53b01f1e86ee771f62ee2a0b81c25ab5302ed675a494ed961c4ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8652e1fb42ff04aefc2b47bfd521826788b0e4b598fc5eba71412cf0aaa82a2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-31T09:12:55Z",
    "title_canon_sha256": "4a33e3721dd9dc51a51bf41c0916979286c5441d94fcfec95f394b0d4b878dc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01111",
    "kind": "arxiv",
    "version": 1
  }
}