Pith Number

pith:PJ6TN3I7

pith:2022:PJ6TN3I7AIVN4UVC2RBRIRQPNK

not attested not anchored not stored refs pending

Online Meta-Learning for Model Update Aggregation in Federated Learning for Click-Through Rate Prediction

Bart{\l}omiej Twardowski, Tri Kurniawan Wijaya, Xianghang Liu

arxiv:2209.00629 v1 · 2022-08-30 · cs.IR · cs.AI · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJ6TN3I7AIVN4UVC2RBRIRQPNK}

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	2026-07-05T04:53:52.169144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a7d36ed1f022ade52a2d44314460f6ab3e334fee4f6cd08140bdafd8dade675

Aliases

arxiv: 2209.00629 · arxiv_version: 2209.00629v1 · doi: 10.48550/arxiv.2209.00629 · pith_short_12: PJ6TN3I7AIVN · pith_short_16: PJ6TN3I7AIVN4UVC · pith_short_8: PJ6TN3I7

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/PJ6TN3I7AIVN4UVC2RBRIRQPNK \
  | 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: 7a7d36ed1f022ade52a2d44314460f6ab3e334fee4f6cd08140bdafd8dade675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "483784213ef2c10380f666b96f8a270975a95881ec789266eca8cad9c91759fd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-08-30T18:13:53Z",
    "title_canon_sha256": "c859d0066f33b13238b3b2bcb529e00cf9d9d11a96930da0fc3b3b0ab7332339"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.00629",
    "kind": "arxiv",
    "version": 1
  }
}