Pith Number

pith:ZCXYMDVH

pith:2015:ZCXYMDVHLXYM7EYF3LLHSXUPPB

not attested not anchored not stored refs pending

Learning to Search Better Than Your Teacher

Akshay Krishnamurthy, Alekh Agarwal, Hal Daum\'e III, John Langford, Kai-Wei Chang

arxiv:1502.02206 v2 · 2015-02-08 · cs.LG · 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{ZCXYMDVHLXYM7EYF3LLHSXUPPB}

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	2026-05-18T02:03:59.819122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8af860ea75df0cf9305dad6795e8f785adf7aaf2d8b06b8e69b65a5146cbe60

Aliases

arxiv: 1502.02206 · arxiv_version: 1502.02206v2 · doi: 10.48550/arxiv.1502.02206 · pith_short_12: ZCXYMDVHLXYM · pith_short_16: ZCXYMDVHLXYM7EYF · pith_short_8: ZCXYMDVH

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/ZCXYMDVHLXYM7EYF3LLHSXUPPB \
  | 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: c8af860ea75df0cf9305dad6795e8f785adf7aaf2d8b06b8e69b65a5146cbe60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f4d77c6fb2dc1c26b5e5f9f0e382356a8b1539a0774cb09b1f7c9bdd2330f0a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-08T03:18:50Z",
    "title_canon_sha256": "04613672e893469c78c753879fb3cc10cdf865ce395fef3e9bd8081ad8c24e00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02206",
    "kind": "arxiv",
    "version": 2
  }
}