Pith Number

pith:DA2C5CZT

pith:2021:DA2C5CZTQWHPZQJOTL4TCZS6G6

not attested not anchored not stored refs pending

Persia: An Open, Hybrid System Scaling Deep Learning-based Recommenders up to 100 Trillion Parameters

Binhang Yuan, Ce Zhang, Chengchun Shu, Chengjun Liu, Congfei Zhang, Dongying Kong, Hai Yu, Haodong Lyu, Haonan Li, Honghuan Wu, Jianying Lin, Ji Liu, Jingru Xie, Lei Chen, Lei Sun, Lei Yuan, Mingnan Luo, Renjie Huang, Sen Yang, Xiangru Lian, Xing Dong, Xuefeng Zhu, Xuezhong Qiu, Yiqiao Liao, Yongjun He, Yulong Wang, Zhishan Liu

arxiv:2111.05897 v3 · 2021-11-10 · cs.LG · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DA2C5CZTQWHPZQJOTL4TCZS6G6}

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	2026-07-05T03:34:08.645854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18342e8b33858efcc12e9af931665e379526af67f6ad270deac00452776bf2d1

Aliases

arxiv: 2111.05897 · arxiv_version: 2111.05897v3 · doi: 10.48550/arxiv.2111.05897 · pith_short_12: DA2C5CZTQWHP · pith_short_16: DA2C5CZTQWHPZQJO · pith_short_8: DA2C5CZT

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/DA2C5CZTQWHPZQJOTL4TCZS6G6 \
  | 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: 18342e8b33858efcc12e9af931665e379526af67f6ad270deac00452776bf2d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce0f57bbc040596327b8380691eb110d6765e4ddb1ea5636d5582a7c242302ee",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-10T19:40:25Z",
    "title_canon_sha256": "aa3541c8340a6bbdf299c28d528e2b8df0ba4a8e17a5b8396eb5318b461b9d5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.05897",
    "kind": "arxiv",
    "version": 3
  }
}