Pith Number

pith:HTH6NG6O

pith:2019:HTH6NG6OCVMSPK3H4SUSSWSIYL

not attested not anchored not stored refs pending

Libra R-CNN: Towards Balanced Learning for Object Detection

Dahua Lin, Huajun Feng, Jiangmiao Pang, Jianping Shi, Kai Chen, Wanli Ouyang

arxiv:1904.02701 v1 · 2019-04-04 · cs.CV

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-17T23:49:22.989356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ccfe69bce155927ab67e4a9295a48c2df634d9ee412e457f94fdaab56cb11ac

Aliases

arxiv: 1904.02701 · arxiv_version: 1904.02701v1 · doi: 10.48550/arxiv.1904.02701

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/HTH6NG6OCVMSPK3H4SUSSWSIYL \
  | 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: 3ccfe69bce155927ab67e4a9295a48c2df634d9ee412e457f94fdaab56cb11ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eff29f4e40f79b5c5c07b72ccf54bfb9d42237726b7ca597960860a42438961",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-04T17:58:22Z",
    "title_canon_sha256": "3668de4d96cbcf197541a02ecfa24cf17b18ce9b0f1a3be79fc24e7615677cb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02701",
    "kind": "arxiv",
    "version": 1
  }
}