Pith Number

pith:C4FDPLLN

pith:2020:C4FDPLLNVBFJDJU3OC46K55ZMA

not attested not anchored not stored refs pending

Expert Training: Task Hardness Aware Meta-Learning for Few-Shot Classification

Jianfei Cai, Qinghua Hu, Weiping Wang, Yucan Zhou, Yu Wang, Yu Zhou

arxiv:2007.06240 v1 · 2020-07-13 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4FDPLLNVBFJDJU3OC46K55ZMA}

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	2026-07-05T01:18:11.268656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170a37ad6da84a91a69b70b9e577b960003ca50f07665cb9e1a425f0784e735f

Aliases

arxiv: 2007.06240 · arxiv_version: 2007.06240v1 · doi: 10.48550/arxiv.2007.06240 · pith_short_12: C4FDPLLNVBFJ · pith_short_16: C4FDPLLNVBFJDJU3 · pith_short_8: C4FDPLLN

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/C4FDPLLNVBFJDJU3OC46K55ZMA \
  | 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: 170a37ad6da84a91a69b70b9e577b960003ca50f07665cb9e1a425f0784e735f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52f983d0f2282b2f3d982c5acdf51a4b358147ba51cc5373590f31bacea9bf84",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-13T08:49:00Z",
    "title_canon_sha256": "151da5ad0e6d342e2560ac1c49d7dc56a242ddfb7d6fd9e406c27784459b0db5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06240",
    "kind": "arxiv",
    "version": 1
  }
}