Pith Number

pith:OS5XYSM3

pith:2026:OS5XYSM364GMTR3NI2DAFIJ3CJ

not attested not anchored not stored refs pending

SuperValid: Capability-Aligned OOD Validation for Generalizable Downstream Scaling

Cai Chen, Changxin Tian, Cunyin Peng, Jia Liu, Ke Shi, Kunlong Chen, Quanen Sun, Zhiqiang Zhang

arxiv:2605.28179 v1 · 2026-05-27 · 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{OS5XYSM364GMTR3NI2DAFIJ3CJ}

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	2026-05-28T01:05:01.419337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74bb7c499bf70cc9c76d468602a13b12658f57794d00130b5ce8aeb7c4a4547e

Aliases

arxiv: 2605.28179 · arxiv_version: 2605.28179v1 · doi: 10.48550/arxiv.2605.28179 · pith_short_12: OS5XYSM364GM · pith_short_16: OS5XYSM364GMTR3N · pith_short_8: OS5XYSM3

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/OS5XYSM364GMTR3NI2DAFIJ3CJ \
  | 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: 74bb7c499bf70cc9c76d468602a13b12658f57794d00130b5ce8aeb7c4a4547e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e59890455cd2f5a0cb7c0a7dbf92b2f41b7df3684471102cb33963a390e1a6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-27T09:01:09Z",
    "title_canon_sha256": "8de649e61dcde5fd43643c85807b6cf45e7b93ede01290173356e8267b7fc908"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28179",
    "kind": "arxiv",
    "version": 1
  }
}