Pith Number

pith:A2MWAFDF

pith:2026:A2MWAFDFOBDKZ7DUPREWLQC4UI

not attested not anchored not stored refs pending

Feature Generation Using LLMs: An Evolutionary Algorithm Approach

Aria Nourbakhsh, Beno\^it Alcaraz, Christoph Schommer

arxiv:2607.16255 v1 · 2026-06-27 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2MWAFDFOBDKZ7DUPREWLQC4UI}

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	2026-07-21T00:20:08.509169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06996014657046acfc747c4965c05ca231ce92de7d4616afbfe49cb904c2a13c

Aliases

arxiv: 2607.16255 · arxiv_version: 2607.16255v1 · doi: 10.48550/arxiv.2607.16255 · pith_short_12: A2MWAFDFOBDK · pith_short_16: A2MWAFDFOBDKZ7DU · pith_short_8: A2MWAFDF

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/A2MWAFDFOBDKZ7DUPREWLQC4UI \
  | 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: 06996014657046acfc747c4965c05ca231ce92de7d4616afbfe49cb904c2a13c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a52ef86d40b46bf461057e4f6ac7b1c0428b3c31e42692ef5f204dbf767c4413",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-27T12:12:40Z",
    "title_canon_sha256": "54346a9ba0cad368286720971f1962bfde673810b8a0f7fad1ce370906d02318"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16255",
    "kind": "arxiv",
    "version": 1
  }
}