Pith Number

pith:BWTCGM4Z

pith:2018:BWTCGM4Z6FDRS77BNA5MAFXDMX

not attested not anchored not stored refs pending

Bidding Machine: Learning to Bid for Directly Optimizing Profits in Display Advertising

Jun Wang, Kan Ren, Ke Chang, Weinan Zhang, Yifei Rong, Yong Yu

arxiv:1803.02194 v2 · 2018-03-01 · cs.GT · cs.CY · 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{BWTCGM4Z6FDRS77BNA5MAFXDMX}

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	2026-05-18T00:21:33.968906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da6233399f147197fe1683ac016e365f840b02b867043d47010a2fb16a3b0cf

Aliases

arxiv: 1803.02194 · arxiv_version: 1803.02194v2 · doi: 10.48550/arxiv.1803.02194 · pith_short_12: BWTCGM4Z6FDR · pith_short_16: BWTCGM4Z6FDRS77B · pith_short_8: BWTCGM4Z

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/BWTCGM4Z6FDRS77BNA5MAFXDMX \
  | 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: 0da6233399f147197fe1683ac016e365f840b02b867043d47010a2fb16a3b0cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cccaae6a7e1d9ceeb512909d9dc89dc5cd8e8e1c7fb6851c6c0e7c356b67692",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2018-03-01T04:28:32Z",
    "title_canon_sha256": "4894cde05048c2125d8bf3f9cdb8b89f60c4b20cdabe478210a96bba63568c60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02194",
    "kind": "arxiv",
    "version": 2
  }
}