Pith Number

pith:DO5R7AVY

pith:2019:DO5R7AVYF66GODWRQCZGHGXNHL

not attested not anchored not stored refs pending

A Fast Differential Grouping Algorithm for Large Scale Black-Box Optimization

An Chen, Wenhua Guo, Yaochu Jin, Yongsheng Liang, Zhigang Ren, Zuren Feng

arxiv:1905.12192 v1 · 2019-05-29 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DO5R7AVYF66GODWRQCZGHGXNHL}

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	2026-05-17T23:44:46.846954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bbb1f82b82fbc670ed180b2639aed3af7bf588fb896e2f030f89c74a3c194d7

Aliases

arxiv: 1905.12192 · arxiv_version: 1905.12192v1 · doi: 10.48550/arxiv.1905.12192 · pith_short_12: DO5R7AVYF66G · pith_short_16: DO5R7AVYF66GODWR · pith_short_8: DO5R7AVY

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/DO5R7AVYF66GODWRQCZGHGXNHL \
  | 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: 1bbb1f82b82fbc670ed180b2639aed3af7bf588fb896e2f030f89c74a3c194d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8f8e7ac6981ac0b8d9bd207d405bd2bd046e4d5568c95a83a987cae9a762ebe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-29T03:11:19Z",
    "title_canon_sha256": "e671081fe25808030fa8c68bd2ff704dcd90ba8507c428c7a90768d6917ec9a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12192",
    "kind": "arxiv",
    "version": 1
  }
}