Pith Number

pith:GAPDM7GN

pith:2022:GAPDM7GN57OZENTQ62B37T7Q2C

not attested not anchored not stored refs pending

PyPop7: A Pure-Python Library for Population-Based Black-Box Optimization

Chang Shao, Guochen Zhou, Mingyang Feng, Qiqi Duan, Qi Zhao, Yajing Tan, Yijun Yang, Yuhui Shi, Yuwei Huang, Zhuowei Wang

arxiv:2212.05652 v4 · 2022-12-12 · 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{GAPDM7GN57OZENTQ62B37T7Q2C}

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	2026-07-05T08:40:05.328966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

301e367ccdefdd923670f683bfcff0d08c765d4d7f4741c85376906a2b732e61

Aliases

arxiv: 2212.05652 · arxiv_version: 2212.05652v4 · doi: 10.48550/arxiv.2212.05652 · pith_short_12: GAPDM7GN57OZ · pith_short_16: GAPDM7GN57OZENTQ · pith_short_8: GAPDM7GN

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/GAPDM7GN57OZENTQ62B37T7Q2C \
  | 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: 301e367ccdefdd923670f683bfcff0d08c765d4d7f4741c85376906a2b732e61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac0e2d5d2bf839ed6cee175c906b3aed69a18d4b101af5cfa16fb30e9cea69e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2022-12-12T01:38:49Z",
    "title_canon_sha256": "a5af7509b380b5cdaa74158a81aef54d7f82f9b2caabc52a1e94b2b59b8a8d0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.05652",
    "kind": "arxiv",
    "version": 4
  }
}