Pith Number

pith:HU4V53SJ

pith:2026:HU4V53SJWQ43PVSPFUTHFPPOSK

not attested not anchored not stored refs pending

SLAP: Stratified Loss-based Pruning for On-Policy Data-Efficient Instruction Tuning

Hao Chen, Jianhang Ding, Renshu Gu, Run Zou, Wen Wu, Yifan Ding

arxiv:2605.23969 v1 · 2026-05-13 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HU4V53SJWQ43PVSPFUTHFPPOSK}

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	2026-05-26T00:02:24.464607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d395eee49b439b7d64f2d2672bdee92abb09bdf839c596b7a0fe77ab745866e

Aliases

arxiv: 2605.23969 · arxiv_version: 2605.23969v1 · doi: 10.48550/arxiv.2605.23969 · pith_short_12: HU4V53SJWQ43 · pith_short_16: HU4V53SJWQ43PVSP · pith_short_8: HU4V53SJ

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/HU4V53SJWQ43PVSPFUTHFPPOSK \
  | 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: 3d395eee49b439b7d64f2d2672bdee92abb09bdf839c596b7a0fe77ab745866e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd32cac4297b406f226af7c9155862ecff4407dfacf543313354da5d8d57c7c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-13T06:36:24Z",
    "title_canon_sha256": "c99dd1e4950d55bf5e289afa396555f6848844afd15381ba0340854b7ca51f2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23969",
    "kind": "arxiv",
    "version": 1
  }
}