Pith Number

pith:SAVXE2WD

pith:2019:SAVXE2WD5MSBMT7BCAI7WLT2BI

not attested not anchored not stored refs pending

Joint Optimization of Tree-based Index and Deep Model for Recommender Systems

Daqing Chang, Han Li, Han Zhu, Jian Xu, Jie He, Kun Gai, Pengye Zhang, Xiang Li, Ziru Xu

arxiv:1902.07565 v2 · 2019-02-19 · cs.IR · cs.LG · 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{SAVXE2WD5MSBMT7BCAI7WLT2BI}

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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.

Cited by

1 paper in Pith

From Extraction to Navigation: Progressive Retrieval with Indirectly Infinite Depth

Receipt and verification

First computed	2026-07-05T00:20:30.972109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

902b726ac3eb24164fe11011fb2e7a0a378f5a8e1e7bbe72c5672e204de9e8e2

Aliases

arxiv: 1902.07565 · arxiv_version: 1902.07565v2 · doi: 10.48550/arxiv.1902.07565 · pith_short_12: SAVXE2WD5MSB · pith_short_16: SAVXE2WD5MSBMT7B · pith_short_8: SAVXE2WD

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/SAVXE2WD5MSBMT7BCAI7WLT2BI \
  | 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: 902b726ac3eb24164fe11011fb2e7a0a378f5a8e1e7bbe72c5672e204de9e8e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa74846a9516e9b4e902ff06734404830261f38c441f765ca76c6e2cacba619",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-02-19T08:52:58Z",
    "title_canon_sha256": "6e846bf3022a6eb74e16a2dc2cbfd4326c0947e3c04347297d502a14b06f73ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07565",
    "kind": "arxiv",
    "version": 2
  }
}