Pith Number

pith:FU6IZTF3

pith:2019:FU6IZTF3PHESMT743KK6LAQOAV

not attested not anchored not stored refs pending

Distributed Equivalent Substitution Training for Large-Scale Recommender Systems

Di Wang, Fan Li, Feihu Zhou, Haidong Rong, Haiyang Wu, Han Zhang, Junjie Zhai, Rui Lan, Yangzihao Wang, Yuekui Yang, Zhenyu Guo

arxiv:1909.04823 v5 · 2019-09-10 · cs.LG · cs.IR · 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{FU6IZTF3PHESMT743KK6LAQOAV}

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	2026-07-05T01:06:49.320904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d3c8cccbb79c9264ffcda95e5820e05467b22497f359f48fcac005304d5ebe9

Aliases

arxiv: 1909.04823 · arxiv_version: 1909.04823v5 · doi: 10.48550/arxiv.1909.04823 · pith_short_12: FU6IZTF3PHES · pith_short_16: FU6IZTF3PHESMT74 · pith_short_8: FU6IZTF3

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/FU6IZTF3PHESMT743KK6LAQOAV \
  | 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: 2d3c8cccbb79c9264ffcda95e5820e05467b22497f359f48fcac005304d5ebe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eabc7a1df6e5d249034d8000001cf4fc3aaaa7fd193e21229de876680a817da",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-09-10T13:16:26Z",
    "title_canon_sha256": "991603473dfc127fd83d261fc77ebd2cacc02d9747218ecaa3d244391ca1ea79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04823",
    "kind": "arxiv",
    "version": 5
  }
}