Pith Number

pith:FZLPFCSD

pith:2025:FZLPFCSDV7SZE5LHNLKAOYOWED

not attested not anchored not stored refs pending

Learning-To-Measure: In-Context Active Feature Acquisition

Hongseok Namkoong, Jiayu Yao, Shalmali Joshi, Yuta Kobayashi, Zilin Jing

arxiv:2510.12624 v2 · 2025-10-14 · 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{FZLPFCSDV7SZE5LHNLKAOYOWED}

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	2026-06-02T02:04:09.955400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e56f28a43afe59275676ad40761d620d9437531d02645b99e5d9c41ebe34467

Aliases

arxiv: 2510.12624 · arxiv_version: 2510.12624v2 · doi: 10.48550/arxiv.2510.12624 · pith_short_12: FZLPFCSDV7SZ · pith_short_16: FZLPFCSDV7SZE5LH · pith_short_8: FZLPFCSD

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/FZLPFCSDV7SZE5LHNLKAOYOWED \
  | 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: 2e56f28a43afe59275676ad40761d620d9437531d02645b99e5d9c41ebe34467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8990334e4653fc3f5337ea6ef05dfc8f11f1fbb3e50a81633386a6414f9fa1c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-10-14T15:23:32Z",
    "title_canon_sha256": "21d4e471a098323cafd1ae02889835fc12adf6fa19d77d3afd3745be1adf1488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.12624",
    "kind": "arxiv",
    "version": 2
  }
}