Pith Number

pith:FY2BFVPJ

pith:2020:FY2BFVPJAPHQYHV24VUMNTGZQM

not attested not anchored not stored refs pending

Probabilistic Latent Factor Model for Collaborative Filtering with Bayesian Inference

Jiang Liu, Jiansheng Fang, Ming Yang, Xiaoqing Zhang, Yan Hu, Yanwu Xu

arxiv:2012.03433 v1 · 2020-12-07 · 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{FY2BFVPJAPHQYHV24VUMNTGZQM}

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	2026-07-05T02:41:09.667872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e3412d5e903cf0c1ebae568c6ccd983316e309d41b361450ef960b2c24bd252

Aliases

arxiv: 2012.03433 · arxiv_version: 2012.03433v1 · doi: 10.48550/arxiv.2012.03433 · pith_short_12: FY2BFVPJAPHQ · pith_short_16: FY2BFVPJAPHQYHV2 · pith_short_8: FY2BFVPJ

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/FY2BFVPJAPHQYHV24VUMNTGZQM \
  | 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: 2e3412d5e903cf0c1ebae568c6ccd983316e309d41b361450ef960b2c24bd252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a43ac6437bf48f4a50176b3a1cf9a564fdfd8e6aa88ce912491da8e3d79281fd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-12-07T03:05:47Z",
    "title_canon_sha256": "0f6bd4b2d0d887be9ad3f37d93025c5f85f18ab7217aac995a4715e73fe13cd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03433",
    "kind": "arxiv",
    "version": 1
  }
}