Pith Number

pith:HTR5NVXX

pith:2020:HTR5NVXXY7J7YSGIRU7PD3E4MB

not attested not anchored not stored refs pending

Deep Representation Learning on Long-tailed Data: A Learnable Embedding Augmentation Perspective

Chuchu Han, Jialun Liu, Wenhui Li, Yifan Sun, Zhaopeng Dou

arxiv:2002.10826 v3 · 2020-02-25 · 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{HTR5NVXXY7J7YSGIRU7PD3E4MB}

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	2026-07-05T00:54:32.742849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ce3d6d6f7c7d3fc48c88d3ef1ec9c60590744b66d1b255820f947a9e5ba95fe

Aliases

arxiv: 2002.10826 · arxiv_version: 2002.10826v3 · doi: 10.48550/arxiv.2002.10826 · pith_short_12: HTR5NVXXY7J7 · pith_short_16: HTR5NVXXY7J7YSGI · pith_short_8: HTR5NVXX

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/HTR5NVXXY7J7YSGIRU7PD3E4MB \
  | 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: 3ce3d6d6f7c7d3fc48c88d3ef1ec9c60590744b66d1b255820f947a9e5ba95fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c89bee0e078bc1f4ddaac43ff8869a6177dca5d252b3df700b908744334e29e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-02-25T12:38:32Z",
    "title_canon_sha256": "b0f13187e466f50347894362dc1970d1c2fe5d7bf494e40a696e15de2d808e07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10826",
    "kind": "arxiv",
    "version": 3
  }
}