Pith Number

pith:EQRLHMQ2

pith:2018:EQRLHMQ2RZTTPP2U2RH5GSHZ6P

not attested not anchored not stored refs pending

Destructiveness of Lexicographic Parsimony Pressure and Alleviation by a Concatenation Crossover in Genetic Programming

Anna Melnichenko, J.A.Gregor Lagodzinski, Johannes Lengler, Timo K\"otzing

arxiv:1805.10169 v1 · 2018-05-25 · cs.NE · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQRLHMQ2RZTTPP2U2RH5GSHZ6P}

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	2026-05-18T00:14:58.082974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2422b3b21a8e6737bf54d44fd348f9f3f6c44165f4c7c6498dbadbf28c6aca1f

Aliases

arxiv: 1805.10169 · arxiv_version: 1805.10169v1 · doi: 10.48550/arxiv.1805.10169 · pith_short_12: EQRLHMQ2RZTT · pith_short_16: EQRLHMQ2RZTTPP2U · pith_short_8: EQRLHMQ2

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/EQRLHMQ2RZTTPP2U2RH5GSHZ6P \
  | 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: 2422b3b21a8e6737bf54d44fd348f9f3f6c44165f4c7c6498dbadbf28c6aca1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810bca868fc5a00c661ae77285c8bd1c3ad54843c2c3bc712df384f49731eb1e",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2018-05-25T14:18:25Z",
    "title_canon_sha256": "9ffe016bc445b71eda333cd1fcf8294230c4593454918cf683b15e7d90bb1bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10169",
    "kind": "arxiv",
    "version": 1
  }
}