Pith Number

pith:VKPQ5X2L

pith:2017:VKPQ5X2LPLA5TYRVM4CWEHRDXP

not attested not anchored not stored refs pending

Multitask Evolution with Cartesian Genetic Programming

Eric O. Scott, Kenneth A. De Jong

arxiv:1702.02217 v2 · 2017-02-07 · 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{VKPQ5X2LPLA5TYRVM4CWEHRDXP}

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	2026-05-18T00:45:53.956706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa9f0edf4b7ac1d9e2356705621e23bbeb66123a6d264933b5151e949272bf96

Aliases

arxiv: 1702.02217 · arxiv_version: 1702.02217v2 · doi: 10.48550/arxiv.1702.02217 · pith_short_12: VKPQ5X2LPLA5 · pith_short_16: VKPQ5X2LPLA5TYRV · pith_short_8: VKPQ5X2L

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/VKPQ5X2LPLA5TYRVM4CWEHRDXP \
  | 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: aa9f0edf4b7ac1d9e2356705621e23bbeb66123a6d264933b5151e949272bf96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11552e699b44e92e5d4d66ab2789e893c0995a03e70246b04413976f90e139d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2017-02-07T22:20:43Z",
    "title_canon_sha256": "7b00cf51e5010b88024be0915c1749bc70ed94889ddab9c0b214b9a8134ae8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02217",
    "kind": "arxiv",
    "version": 2
  }
}