Pith Number

pith:S7E2K6CY

pith:2026:S7E2K6CYMHQP3XN6WMCG7T3T6I

not attested not anchored not stored refs pending

FunctionEvolve: Structure-Guided Symbolic Regression with LLMs

Dong Yan, Jun Zhu, Zeyu Xia

arxiv:2606.07704 v1 · 2026-06-05 · cs.LG · 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{S7E2K6CYMHQP3XN6WMCG7T3T6I}

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	2026-06-09T01:04:49.751015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97c9a5785861e0fdddbeb3046fcf73f228197cea862b9801d12acc8408ab3404

Aliases

arxiv: 2606.07704 · arxiv_version: 2606.07704v1 · doi: 10.48550/arxiv.2606.07704 · pith_short_12: S7E2K6CYMHQP · pith_short_16: S7E2K6CYMHQP3XN6 · pith_short_8: S7E2K6CY

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/S7E2K6CYMHQP3XN6WMCG7T3T6I \
  | 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: 97c9a5785861e0fdddbeb3046fcf73f228197cea862b9801d12acc8408ab3404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f476422f6307e89753d7068f8262e012c0ebd8e2ea14cf1864f6b76c6e68d463",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-05T09:18:01Z",
    "title_canon_sha256": "fa5e6920e5165dd1cd3e24a10e6f357a6b901c1fae4ffb72953376e71833190d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07704",
    "kind": "arxiv",
    "version": 1
  }
}