Pith Number

pith:4D3Y5J6I

pith:2018:4D3Y5J6IL7LXZOZ5FOWGAMKXZQ

not attested not anchored not stored refs pending

Enhancing Cooperative Coevolution for Large Scale Optimization by Adaptively Constructing Surrogate Models

An Chen, Bei Pang, Yongsheng Liang, Zhigang Ren

arxiv:1803.00906 v1 · 2018-03-01 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4D3Y5J6IL7LXZOZ5FOWGAMKXZQ}

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	2026-05-18T00:22:07.492099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0f78ea7c85fd77cbb3d2bac603157cc295091c061683b702a585049e297d0ba

Aliases

arxiv: 1803.00906 · arxiv_version: 1803.00906v1 · doi: 10.48550/arxiv.1803.00906 · pith_short_12: 4D3Y5J6IL7LX · pith_short_16: 4D3Y5J6IL7LXZOZ5 · pith_short_8: 4D3Y5J6I

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/4D3Y5J6IL7LXZOZ5FOWGAMKXZQ \
  | 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: e0f78ea7c85fd77cbb3d2bac603157cc295091c061683b702a585049e297d0ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f81635b3219ac8102c260b77f67135f99d567df97755d36f3b324ec5c8216ac6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-03-01T01:05:43Z",
    "title_canon_sha256": "b146317a1499746db525735d8b3c7179ceb307f85f1ac94d2a7278d43028e2c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00906",
    "kind": "arxiv",
    "version": 1
  }
}