Pith Number

pith:MDTGFLF6

pith:2021:MDTGFLF6IV7K6IULSHEBKYTYVZ

not attested not anchored not stored refs pending

Optimum-statistical Collaboration Towards General and Efficient Black-box Optimization

Chi-Hua Wang, Guang Cheng, Qifan Song, Wenjie Li

arxiv:2106.09215 v5 · 2021-06-17 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDTGFLF6IV7K6IULSHEBKYTYVZ}

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	2026-07-05T06:15:40.994417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e662acbe457eaf228b91c8156278ae6ce28e76a9bee0a05284bb35502bc673

Aliases

arxiv: 2106.09215 · arxiv_version: 2106.09215v5 · doi: 10.48550/arxiv.2106.09215 · pith_short_12: MDTGFLF6IV7K · pith_short_16: MDTGFLF6IV7K6IUL · pith_short_8: MDTGFLF6

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/MDTGFLF6IV7K6IULSHEBKYTYVZ \
  | 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: 60e662acbe457eaf228b91c8156278ae6ce28e76a9bee0a05284bb35502bc673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "846caff23576b09b796ce1f301ee50e977851f22231954f8b251974481a41037",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-06-17T02:37:39Z",
    "title_canon_sha256": "56d5a38e788d354c90a79585716140e5a9ad5d4cc5c7af3ff2cf3f2242832d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09215",
    "kind": "arxiv",
    "version": 5
  }
}