Pith Number

pith:PSW2N5RF

pith:2016:PSW2N5RFIV46TX47B67S6XZPMK

not attested not anchored not stored refs pending

Implicit Look-alike Modelling in Display Ads: Transfer Collaborative Filtering to CTR Estimation

Jun Wang, Lingxi Chen, Weinan Zhang

arxiv:1601.02377 v1 · 2016-01-11 · 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{PSW2N5RFIV46TX47B67S6XZPMK}

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	2026-05-18T01:23:06.592020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cada6f6254579e9df9f0fbf2f5f2f62b030c23f12c0492a6889b2de14aa81c2

Aliases

arxiv: 1601.02377 · arxiv_version: 1601.02377v1 · doi: 10.48550/arxiv.1601.02377 · pith_short_12: PSW2N5RFIV46 · pith_short_16: PSW2N5RFIV46TX47 · pith_short_8: PSW2N5RF

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/PSW2N5RFIV46TX47B67S6XZPMK \
  | 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: 7cada6f6254579e9df9f0fbf2f5f2f62b030c23f12c0492a6889b2de14aa81c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceb8e5be00e1bee7c88fd3ca392bcb2abfea9c9f5410e5136852866c4cf3a765",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-01-11T10:12:17Z",
    "title_canon_sha256": "87d85d34e1f713a549cf050d2b340187df2f0722f667f9cdd162db8795d96ea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02377",
    "kind": "arxiv",
    "version": 1
  }
}