Pith Number

pith:CCNWEW7L

pith:2013:CCNWEW7LKOSYOGI267AKCYBVAG

not attested not anchored not stored refs pending

Multi-keyword multi-click advertisement option contracts for sponsored search

Bowei Chen, Ingemar J. Cox, Jun Wang, Mohan S. Kankanhalli

arxiv:1307.4980 v7 · 2013-07-18 · cs.GT · 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{CCNWEW7LKOSYOGI267AKCYBVAG}

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	2026-05-18T01:24:38.774364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

109b625beb53a587191af7c0a16035018cd37dbd46a5f1b31e7dcea16a63c2ce

Aliases

arxiv: 1307.4980 · arxiv_version: 1307.4980v7 · doi: 10.48550/arxiv.1307.4980 · pith_short_12: CCNWEW7LKOSY · pith_short_16: CCNWEW7LKOSYOGI2 · pith_short_8: CCNWEW7L

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/CCNWEW7LKOSYOGI267AKCYBVAG \
  | 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: 109b625beb53a587191af7c0a16035018cd37dbd46a5f1b31e7dcea16a63c2ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc787fc8268f96ce3267ae16bc0ec1eaf0d4ec25e458df289913bc14e6d24178",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-07-18T15:27:12Z",
    "title_canon_sha256": "bfc62346d02c53df49b01251599523c07a64a4760bcb21af1d793a437382c02b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4980",
    "kind": "arxiv",
    "version": 7
  }
}