Pith Number

pith:5GIIKZNA

pith:2022:5GIIKZNAA5MOE5YMT6YV4DXVAX

not attested not anchored not stored refs pending

Fair Matrix Factorisation for Large-Scale Recommender Systems

Kenshi Abe, Riku Togashi

arxiv:2209.04394 v2 · 2022-09-09 · 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{5GIIKZNAA5MOE5YMT6YV4DXVAX}

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.

Cited by

1 paper in Pith

Receipt and verification

First computed	2026-07-05T05:17:28.335429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9908565a00758e2770c9fb15e0ef505c06d4da8214d0b6b95efbf86a8452526

Aliases

arxiv: 2209.04394 · arxiv_version: 2209.04394v2 · doi: 10.48550/arxiv.2209.04394 · pith_short_12: 5GIIKZNAA5MO · pith_short_16: 5GIIKZNAA5MOE5YM · pith_short_8: 5GIIKZNA

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/5GIIKZNAA5MOE5YMT6YV4DXVAX \
  | 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: e9908565a00758e2770c9fb15e0ef505c06d4da8214d0b6b95efbf86a8452526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6194194d4d169eec3c57580fe5ef37ae45f6a359cd66710416579d696e27c309",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-09-09T16:59:15Z",
    "title_canon_sha256": "efc43b859792dd0de31de413ef975fb6892447f2a37cfaa5fef49cae3026e854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.04394",
    "kind": "arxiv",
    "version": 2
  }
}