Pith Number

pith:UT4KVBKR

pith:2021:UT4KVBKRAZAAEJGKSJEOKBWSEH

not attested not anchored not stored refs pending

Contrastive Prototype Learning with Augmented Embeddings for Few-Shot Learning

Guangzhen Liu, Nanyi Fei, Songfang Huang, Tao Xiang, Yizhao Gao, Zhiwu Lu

arxiv:2101.09499 v1 · 2021-01-23 · 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{UT4KVBKRAZAAEJGKSJEOKBWSEH}

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	2026-07-05T02:09:19.456943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f8aa855106400224ca9248e506d221f389d888f37006a2887176e2c9ad3f4f

Aliases

arxiv: 2101.09499 · arxiv_version: 2101.09499v1 · doi: 10.48550/arxiv.2101.09499 · pith_short_12: UT4KVBKRAZAA · pith_short_16: UT4KVBKRAZAAEJGK · pith_short_8: UT4KVBKR

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/UT4KVBKRAZAAEJGKSJEOKBWSEH \
  | 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: a4f8aa855106400224ca9248e506d221f389d888f37006a2887176e2c9ad3f4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "086e743796466a0536e3db2924f9488f6274328270e7af7fa803e9b782e53f02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-01-23T13:22:44Z",
    "title_canon_sha256": "cf023801bf0cd8a907e4a347f33b532b477c5e0e82e136c9c3abe7752cfcff44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09499",
    "kind": "arxiv",
    "version": 1
  }
}