Pith Number

pith:O2C2C46V

pith:2014:O2C2C46V5SSGA4X3CRFLZIG2BY

not attested not anchored not stored refs pending

Counterfactual Estimation and Optimization of Click Metrics for Search Engines

Ankur Gupta, Jim Kleban, Lihong Li, Shunbao Chen

arxiv:1403.1891 v2 · 2014-03-07 · cs.LG · cs.AI · stat.AP · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2C2C46V5SSGA4X3CRFLZIG2BY}

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	2026-05-18T02:56:34.401761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7685a173d5eca46072fb144abca0da0e3c1fe63edc4fa65e5a5525f74f7c5950

Aliases

arxiv: 1403.1891 · arxiv_version: 1403.1891v2 · doi: 10.48550/arxiv.1403.1891 · pith_short_12: O2C2C46V5SSG · pith_short_16: O2C2C46V5SSGA4X3 · pith_short_8: O2C2C46V

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/O2C2C46V5SSGA4X3CRFLZIG2BY \
  | 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: 7685a173d5eca46072fb144abca0da0e3c1fe63edc4fa65e5a5525f74f7c5950

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ffd7061717325db63f699547f07acac908c83f8fee9fe29bcc6e27916620cb3",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-03-07T22:54:52Z",
    "title_canon_sha256": "d10684ad1c166e4a54998f5bc377b2a57dc69ac16953cc74093285cfd2a7d33a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1891",
    "kind": "arxiv",
    "version": 2
  }
}