Pith Number

pith:G33J6ACC

pith:2021:G33J6ACCTK4MJD6BNTGDDFU3XG

not attested not anchored not stored refs pending

A Zeroth-Order Block Coordinate Descent Algorithm for Huge-Scale Black-Box Optimization

Daniel McKenzie, HanQin Cai, Wotao Yin, Yuchen Lou

arxiv:2102.10707 v2 · 2021-02-21 · math.OC · cs.AI · 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{G33J6ACCTK4MJD6BNTGDDFU3XG}

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	2026-07-05T03:05:47.622573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36f69f00429ab8c48fc16ccc31969bb9a29e40f34e35e951175c16c2d656a251

Aliases

arxiv: 2102.10707 · arxiv_version: 2102.10707v2 · doi: 10.48550/arxiv.2102.10707 · pith_short_12: G33J6ACCTK4M · pith_short_16: G33J6ACCTK4MJD6B · pith_short_8: G33J6ACC

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/G33J6ACCTK4MJD6BNTGDDFU3XG \
  | 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: 36f69f00429ab8c48fc16ccc31969bb9a29e40f34e35e951175c16c2d656a251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4dceaa887f908bc43fe47953b29e36e92aa8bb6e5c689e8aa9db511eed10e6a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-21T23:06:35Z",
    "title_canon_sha256": "f5aefd8da125919c84f0dd79f78d7ff7ca27387f65a927afe8542d0dbfb3f5c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10707",
    "kind": "arxiv",
    "version": 2
  }
}