Pith Number

pith:PCMWOAAT

pith:2021:PCMWOAATGOKPLRCMPFDEQSQFMY

not attested not anchored not stored refs pending

Deep Stable Learning for Out-Of-Distribution Generalization

Linjun Zhou, Peng Cui, Renzhe Xu, Xingxuan Zhang, Yue He, Zheyan Shen

arxiv:2104.07876 v1 · 2021-04-16 · cs.LG · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCMWOAATGOKPLRCMPFDEQSQFMY}

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	2026-07-05T02:32:38.668113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78996700133394f5c44c7946484a05660f633f7baa6b85dbe8ad8280167ad687

Aliases

arxiv: 2104.07876 · arxiv_version: 2104.07876v1 · doi: 10.48550/arxiv.2104.07876 · pith_short_12: PCMWOAATGOKP · pith_short_16: PCMWOAATGOKPLRCM · pith_short_8: PCMWOAAT

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/PCMWOAATGOKPLRCMPFDEQSQFMY \
  | 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: 78996700133394f5c44c7946484a05660f633f7baa6b85dbe8ad8280167ad687

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "418201b27bf05254756b6e797076fea6f0eb96d4feb4a3830a18476c3aa9e323",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-16T03:54:21Z",
    "title_canon_sha256": "c2cbbfedeac7e27e34ab2e694ae4e554ceffaa735b5c28aa0dd4c07bf4f476b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07876",
    "kind": "arxiv",
    "version": 1
  }
}