Pith Number

pith:5KIFVMIZ

pith:2019:5KIFVMIZBIUP7GMSJVXJXY6CRG

not attested not anchored not stored refs pending

Guiding Neuroevolution with Structural Objectives

Jim Torresen, Joost Huizinga, Kai Olav Ellefsen

arxiv:1902.04346 v3 · 2019-02-12 · cs.NE · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KIFVMIZBIUP7GMSJVXJXY6CRG}

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	2026-05-17T23:47:58.116627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea905ab1190a28ff99924d6e9be3c2898f76163a9d2d9017ccf4203b32e0a6dc

Aliases

arxiv: 1902.04346 · arxiv_version: 1902.04346v3 · doi: 10.48550/arxiv.1902.04346 · pith_short_12: 5KIFVMIZBIUP · pith_short_16: 5KIFVMIZBIUP7GMS · pith_short_8: 5KIFVMIZ

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/5KIFVMIZBIUP7GMSJVXJXY6CRG \
  | 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: ea905ab1190a28ff99924d6e9be3c2898f76163a9d2d9017ccf4203b32e0a6dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0be6ccd6d69bd37a9c7e426c69276cf28650c9fe3a6d15e583acf3618ea2835",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-02-12T11:54:23Z",
    "title_canon_sha256": "8b8f7a8d7c02afa30b53c3fd551cb7e1a233cacd82a285657f9e9c8963f9db00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04346",
    "kind": "arxiv",
    "version": 3
  }
}