Pith Number

pith:BOPHZUGC

pith:2017:BOPHZUGC742TIKANLTWQNTTFSF

not attested not anchored not stored refs pending

Class Rectification Hard Mining for Imbalanced Deep Learning

Qi Dong, Shaogang Gong, Xiatian Zhu

arxiv:1712.03162 v1 · 2017-12-08 · 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{BOPHZUGC742TIKANLTWQNTTFSF}

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	2026-05-18T00:28:28.168059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b9e7cd0c2ff3534280d5ced06ce65916d655aec1335f44e3e6345fcc872d9f3

Aliases

arxiv: 1712.03162 · arxiv_version: 1712.03162v1 · doi: 10.48550/arxiv.1712.03162 · pith_short_12: BOPHZUGC742T · pith_short_16: BOPHZUGC742TIKAN · pith_short_8: BOPHZUGC

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/BOPHZUGC742TIKANLTWQNTTFSF \
  | 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: 0b9e7cd0c2ff3534280d5ced06ce65916d655aec1335f44e3e6345fcc872d9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f936a239f33d882aa3480c8737f615d38a42a8622ca4d9dc39b2d7b8cab0f2d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-08T16:32:56Z",
    "title_canon_sha256": "f0ed5c4a94575e2d32629f6af5e59fbdd7ed050580c33172b1ef5d74765efa40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03162",
    "kind": "arxiv",
    "version": 1
  }
}