Pith Number

pith:7QZCDASP

pith:2021:7QZCDASPHWZ2NZ4P3LPQRCVOQ3

not attested not anchored not stored refs pending

Towards Balanced Learning for Instance Recognition

Dahua Lin, Huajun Feng, Jiangmiao Pang, Jianping Shi, Kai Chen, Qi Li, Wanli Ouyang, Zhihai Xu

arxiv:2108.10175 v1 · 2021-08-23 · 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{7QZCDASPHWZ2NZ4P3LPQRCVOQ3}

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	2026-07-05T03:08:03.191754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc3221824f3db3a6e78fdadf088aae86e5d617868ea4ea912bd47bd757b5d8ff

Aliases

arxiv: 2108.10175 · arxiv_version: 2108.10175v1 · doi: 10.48550/arxiv.2108.10175 · pith_short_12: 7QZCDASPHWZ2 · pith_short_16: 7QZCDASPHWZ2NZ4P · pith_short_8: 7QZCDASP

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/7QZCDASPHWZ2NZ4P3LPQRCVOQ3 \
  | 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: fc3221824f3db3a6e78fdadf088aae86e5d617868ea4ea912bd47bd757b5d8ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a8307f4fa1fb0646c9e6501b345835bb58b880c8efe7a28a7c1ca7b9838e390",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-23T13:40:45Z",
    "title_canon_sha256": "aaac67e073b3fd2eae8b9f03f7d42d1ff8aeca357c8f42e338ab6fe6eac380d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10175",
    "kind": "arxiv",
    "version": 1
  }
}