The reviewed record of science sign in
Pith
Pith Number

pith:EPN2SXRA

pith:2020:EPN2SXRAVLEUG2DGWK3QSURIRA
not attested not anchored not stored refs pending

Semantic-based Distance Approaches in Multi-objective Genetic Programming

Edgar Galv\'an, Fergal Stapleton

arxiv:2009.12401 v4 · 2020-09-25 · cs.NE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EPN2SXRAVLEUG2DGWK3QSURIRA}

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 2026-07-05T02:00:13.436649Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

23dba95e20aac9436866b2b7095228881ce485ae8eccdf6337629a1275275b26

Aliases

arxiv: 2009.12401 · arxiv_version: 2009.12401v4 · doi: 10.48550/arxiv.2009.12401 · pith_short_12: EPN2SXRAVLEU · pith_short_16: EPN2SXRAVLEUG2DG · pith_short_8: EPN2SXRA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EPN2SXRAVLEUG2DGWK3QSURIRA \
  | 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: 23dba95e20aac9436866b2b7095228881ce485ae8eccdf6337629a1275275b26
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "72aa3673395b14e89b8fd4ecbae4a6c973a5d683762d1913cc9a36018e01eef5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-09-25T19:01:13Z",
    "title_canon_sha256": "b12976da10b8cd585351a48d2b46ef251b2bd8318810a2f79e602378a95a176a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12401",
    "kind": "arxiv",
    "version": 4
  }
}