Pith Number

pith:ARJPY2ST

pith:2019:ARJPY2STOTYIBTZEMCCPPCCLN3

not attested not anchored not stored refs pending

Learning to Learn by Zeroth-Order Oracle

Cho-Jui Hsieh, Sanjiv Kumar, Sashank Reddi, Yangjun Ruan, Yuanhao Xiong

arxiv:1910.09464 v2 · 2019-10-21 · 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{ARJPY2STOTYIBTZEMCCPPCCLN3}

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	2026-07-05T00:38:55.244136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0452fc6a5374f080cf246084f7884b6ef5cb6067249f6ed0c0023400d287678e

Aliases

arxiv: 1910.09464 · arxiv_version: 1910.09464v2 · doi: 10.48550/arxiv.1910.09464 · pith_short_12: ARJPY2STOTYI · pith_short_16: ARJPY2STOTYIBTZE · pith_short_8: ARJPY2ST

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/ARJPY2STOTYIBTZEMCCPPCCLN3 \
  | 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: 0452fc6a5374f080cf246084f7884b6ef5cb6067249f6ed0c0023400d287678e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc3a8ad9ee784c4c198d844cbe44629072a96b47a93231adc3e2588b60bae83e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-10-21T15:48:46Z",
    "title_canon_sha256": "c1069bf5b806b80130ee8c575cecc0beb253889c6346dc45f1b1f52312cf472e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.09464",
    "kind": "arxiv",
    "version": 2
  }
}