Pith Number

pith:NHMZJXEK

pith:2025:NHMZJXEK7L466Y56ABQQPOWGUU

not attested not anchored not stored refs pending

On the Out-of-Distribution Generalization of Self-Supervised Learning

Changwen Zheng, Jiangmeng Li, Jingyao Wang, Wenwen Qiang, Zeen Song

arxiv:2505.16675 v1 · 2025-05-22 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHMZJXEK7L466Y56ABQQPOWGUU}

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	2026-07-05T11:07:38.930765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69d994dc8afaf9ef63be006107bac6a50d282b575e1391d0d61e5d7c0be02f55

Aliases

arxiv: 2505.16675 · arxiv_version: 2505.16675v1 · doi: 10.48550/arxiv.2505.16675 · pith_short_12: NHMZJXEK7L46 · pith_short_16: NHMZJXEK7L466Y56 · pith_short_8: NHMZJXEK

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/NHMZJXEK7L466Y56ABQQPOWGUU \
  | 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: 69d994dc8afaf9ef63be006107bac6a50d282b575e1391d0d61e5d7c0be02f55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "796b9344ad659ba5ff5f0cf01146d9d30dc20f2f6371aa19c3b88feffbef766d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-22T13:40:00Z",
    "title_canon_sha256": "fae72ee17b76d6f4d15348c1717d8d28f82c696375db645d845f1e3c074d5e20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16675",
    "kind": "arxiv",
    "version": 1
  }
}