Pith Number

pith:WDQGOXLS

pith:2026:WDQGOXLSUVS57XFEA7JHFXTPRZ

not attested not anchored not stored refs pending

HARP: Efficient Data Selection for Finetuning Large Language Models

Claire Cardie, Maosen Tang, Ning Wang, Sainyam Galhotra, Yitang Gao, Zhengxin Zhang

arxiv:2606.07690 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{WDQGOXLSUVS57XFEA7JHFXTPRZ}

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	2026-06-09T00:04:46.958812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e0675d72a565dfdca407d272de6f8e627c58dd148376dd9d9caab0f0c1cff3

Aliases

arxiv: 2606.07690 · arxiv_version: 2606.07690v1 · doi: 10.48550/arxiv.2606.07690 · pith_short_12: WDQGOXLSUVS5 · pith_short_16: WDQGOXLSUVS57XFE · pith_short_8: WDQGOXLS

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/WDQGOXLSUVS57XFEA7JHFXTPRZ \
  | 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: b0e0675d72a565dfdca407d272de6f8e627c58dd148376dd9d9caab0f0c1cff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fedd8e23bbe5e733a7cd4714ce62dc307e469f0de97754051a3451b539dea9e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-05T06:31:43Z",
    "title_canon_sha256": "631d9fbea3ccf5b1ced367c83053bc88c264625158f07433a3cfd360d57bff91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07690",
    "kind": "arxiv",
    "version": 1
  }
}