Pith Number

pith:BJ7KC2DF

pith:2026:BJ7KC2DFPY7VX7HEN757CANXLT

not attested not anchored not stored refs pending

TWICE: Two-Clock, Two-Window Learning for Long-Horizon Conversion Prediction in Online Advertising

Kaiyuan Li, Kun Wang, Ming Yan, Teng Sha, Xialong Liu, Yanhua Cheng, Zhongbo Wang

arxiv:2607.25404 v1 · 2026-07-28 · cs.LG · 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{BJ7KC2DFPY7VX7HEN757CANXLT}

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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	2026-07-29T01:25:13.949506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a7ea168657e3f5bfce46ffbf101b75ce43d32916313e22ac6a8e036729c9a08

Aliases

arxiv: 2607.25404 · arxiv_version: 2607.25404v1 · doi: 10.48550/arxiv.2607.25404 · pith_short_12: BJ7KC2DFPY7V · pith_short_16: BJ7KC2DFPY7VX7HE · pith_short_8: BJ7KC2DF

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/BJ7KC2DFPY7VX7HEN757CANXLT \
  | 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: 0a7ea168657e3f5bfce46ffbf101b75ce43d32916313e22ac6a8e036729c9a08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db4f5f75651054d5a970195b10aa08b9ab9088be44aad308895f042898ea5c2",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-28T08:02:41Z",
    "title_canon_sha256": "5fc7e20eab8b2e6a8eefd7bfbb13e9a31acadc8f75503416487d000790fe9931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25404",
    "kind": "arxiv",
    "version": 1
  }
}