Pith Number

pith:OJC2HZHZ

pith:2021:OJC2HZHZHYDUXHZQFWGXGLURSG

not attested not anchored not stored refs pending

How Sensitive are Meta-Learners to Dataset Imbalance?

Amos Storkey, Jose Vazquez, Massimiliano Patacchiola, Mateusz Ochal, Sen Wang

arxiv:2104.05344 v1 · 2021-04-12 · cs.LG · 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{OJC2HZHZHYDUXHZQFWGXGLURSG}

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	2026-07-05T02:31:11.451249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7245a3e4f93e074b9f302d8d732e91918c1213474c7dc14fb8b8d6b6d31b7e1b

Aliases

arxiv: 2104.05344 · arxiv_version: 2104.05344v1 · doi: 10.48550/arxiv.2104.05344 · pith_short_12: OJC2HZHZHYDU · pith_short_16: OJC2HZHZHYDUXHZQ · pith_short_8: OJC2HZHZ

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/OJC2HZHZHYDUXHZQFWGXGLURSG \
  | 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: 7245a3e4f93e074b9f302d8d732e91918c1213474c7dc14fb8b8d6b6d31b7e1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9208b38899cf60664b016e7c840cfaaeeef022a838b5bb9d025f3b08a8026d1b",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-12T10:47:42Z",
    "title_canon_sha256": "0d75968022683ee0d69915fc65b8cd0513bb01ffc7f0785462a69f9de42a4038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05344",
    "kind": "arxiv",
    "version": 1
  }
}