Pith Number

pith:LLHS5SOI

pith:2026:LLHS5SOIMDCNTQBKJKZ6FCIQFU

not attested not anchored not stored refs pending

IRDS: Interpretable RLVR Data Selection via Verifier-Coupled Sparse Autoencoder Coverage

Dazhong Shen, Mingxu Zhang, Ying Sun, Yuhan Li

arxiv:2605.28247 v1 · 2026-05-27 · 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{LLHS5SOIMDCNTQBKJKZ6FCIQFU}

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	2026-05-28T01:05:03.992743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5acf2ec9c860c4d9c02a4ab3e289102d0555d593dc15627b811ec8a5bfdce8c6

Aliases

arxiv: 2605.28247 · arxiv_version: 2605.28247v1 · doi: 10.48550/arxiv.2605.28247 · pith_short_12: LLHS5SOIMDCN · pith_short_16: LLHS5SOIMDCNTQBK · pith_short_8: LLHS5SOI

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/LLHS5SOIMDCNTQBKJKZ6FCIQFU \
  | 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: 5acf2ec9c860c4d9c02a4ab3e289102d0555d593dc15627b811ec8a5bfdce8c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b32e68a92d4ada65764f756dadce61e18e892aead0c77ef03cb4636de44d6fc",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T09:58:05Z",
    "title_canon_sha256": "7722b3ab71c485fb08e96023ddd9cd3dfbf8a058b0fa0bf5d4243716c43520b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28247",
    "kind": "arxiv",
    "version": 1
  }
}