Pith Number

pith:VSBCGGHC

pith:2021:VSBCGGHCJTST2JWZK6VW5RQC6R

not attested not anchored not stored refs pending

A Federated Data-Driven Evolutionary Algorithm

Jinjin Xu, Sai Gu, Wenli Du, Yaochu Jin

arxiv:2102.08288 v1 · 2021-02-16 · cs.NE · 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{VSBCGGHCJTST2JWZK6VW5RQC6R}

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	2026-07-05T02:15:48.258699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac822318e24ce53d26d957ab6ec602f4740958329c6b2d3060a95aef4cad5443

Aliases

arxiv: 2102.08288 · arxiv_version: 2102.08288v1 · doi: 10.48550/arxiv.2102.08288 · pith_short_12: VSBCGGHCJTST · pith_short_16: VSBCGGHCJTST2JWZ · pith_short_8: VSBCGGHC

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/VSBCGGHCJTST2JWZK6VW5RQC6R \
  | 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: ac822318e24ce53d26d957ab6ec602f4740958329c6b2d3060a95aef4cad5443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36fd09f83ca23263455fae1795965c48c3fc469bebb7fc1ee04a4b5c1e6ec6e9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2021-02-16T17:18:54Z",
    "title_canon_sha256": "932f910e75a9472085f725a73505da442c19de287c15d20cc8b802803705f646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08288",
    "kind": "arxiv",
    "version": 1
  }
}