Pith Number

pith:OP24YO5B

pith:2022:OP24YO5BR3X5JG5V7PG5PCJOJK

not attested not anchored not stored refs pending

Continual Learning for CTR Prediction: A Hybrid Approach

Jia Cheng, Jianqiang Huang, Jun Lei, Ke Hu, Yi Qi

arxiv:2201.06886 v1 · 2022-01-18 · cs.IR · 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{OP24YO5BR3X5JG5V7PG5PCJOJK}

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	2026-07-05T03:49:32.250185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f5cc3ba18eefd49bb5fbcdd7892e4a80742b77e8feafef48a1de6855e72c91

Aliases

arxiv: 2201.06886 · arxiv_version: 2201.06886v1 · doi: 10.48550/arxiv.2201.06886 · pith_short_12: OP24YO5BR3X5 · pith_short_16: OP24YO5BR3X5JG5V · pith_short_8: OP24YO5B

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/OP24YO5BR3X5JG5V7PG5PCJOJK \
  | 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: 73f5cc3ba18eefd49bb5fbcdd7892e4a80742b77e8feafef48a1de6855e72c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7c24216dcff345647d503e3cfbc5a8c169a07cec0929d143dd8e8f71063b9fb",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-01-18T11:30:57Z",
    "title_canon_sha256": "15a5b713c6deecb43cd9bf6efabd5aa4bd02394f93fa6ab551f48e3d70fc7be1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06886",
    "kind": "arxiv",
    "version": 1
  }
}