Pith Number

pith:IIQQYV3S

pith:2026:IIQQYV3SUQQSPDN75EOD2C27U5

not attested not anchored not stored refs pending

TopoFE: topology-aware LLM-guided Automated Feature Engineering

Naren Ramakrishnan, Sha Li

arxiv:2607.23286 v1 · 2026-07-25 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIQQYV3SUQQSPDN75EOD2C27U5}

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	2026-07-28T01:22:46.015441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42210c5772a421278dbfe91c3d0b5fa746d0ea28a1cd0b148bad305d28c74b2d

Aliases

arxiv: 2607.23286 · arxiv_version: 2607.23286v1 · doi: 10.48550/arxiv.2607.23286 · pith_short_12: IIQQYV3SUQQS · pith_short_16: IIQQYV3SUQQSPDN7 · pith_short_8: IIQQYV3S

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/IIQQYV3SUQQSPDN75EOD2C27U5 \
  | 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: 42210c5772a421278dbfe91c3d0b5fa746d0ea28a1cd0b148bad305d28c74b2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f95ce3194400c5ac8c9246d6fdcc51dde25b72908075388dfdea905cdad82a9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-25T16:45:00Z",
    "title_canon_sha256": "ee4e01ded5b231f43322f79e2e916fcac0199cf7b2ab4906d71b84f6bdbb2d72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23286",
    "kind": "arxiv",
    "version": 1
  }
}