Pith Number

pith:KHMDEYHI

pith:2025:KHMDEYHIT6CET4MF6KZB2G5DAT

not attested not anchored not stored refs pending

Optimizing Recall or Relevance? A Multi-Task Multi-Head Approach for Item-to-Item Retrieval in Recommendation

Aashu Singh, Feng Zhang, Hanchao Yu, Jiang Zhang, Min Li, Qifan Wang, Sumit Kumar, Wei Chang, Weize Mao, Yubo Wang

arxiv:2506.06239 v1 · 2025-06-06 · 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{KHMDEYHIT6CET4MF6KZB2G5DAT}

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	2026-07-05T11:17:27.888760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51d83260e89f8449f185f2b21d1ba304dd51e4c32904f594f0cd2613e75c56fc

Aliases

arxiv: 2506.06239 · arxiv_version: 2506.06239v1 · doi: 10.48550/arxiv.2506.06239 · pith_short_12: KHMDEYHIT6CE · pith_short_16: KHMDEYHIT6CET4MF · pith_short_8: KHMDEYHI

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/KHMDEYHIT6CET4MF6KZB2G5DAT \
  | 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: 51d83260e89f8449f185f2b21d1ba304dd51e4c32904f594f0cd2613e75c56fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de2c7e1905d63b455a720faf4d58f8860a05fbfd68f97769835a8ccb9460f0a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-06-06T17:00:20Z",
    "title_canon_sha256": "2f1153a673e3a38381606f858b3ce1d55ee5399f0bac14bb5dc70656ec490d63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06239",
    "kind": "arxiv",
    "version": 1
  }
}