Pith Number

pith:CW4SWHVA

pith:2021:CW4SWHVAPB7ELVLKZZNE3VDUAX

not attested not anchored not stored refs pending

Learning Granularity-Aware Convolutional Neural Network for Fine-Grained Visual Classification

Jianwei Song, Ruoyu Yang

arxiv:2103.02788 v1 · 2021-03-04 · 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{CW4SWHVAPB7ELVLKZZNE3VDUAX}

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	2026-07-05T02:20:21.237805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b92b1ea0787e45d56ace5a4dd47405ffb8e3d14b5cafe8ab6c26664d5bc25e

Aliases

arxiv: 2103.02788 · arxiv_version: 2103.02788v1 · doi: 10.48550/arxiv.2103.02788 · pith_short_12: CW4SWHVAPB7E · pith_short_16: CW4SWHVAPB7ELVLK · pith_short_8: CW4SWHVA

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/CW4SWHVAPB7ELVLKZZNE3VDUAX \
  | 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: 15b92b1ea0787e45d56ace5a4dd47405ffb8e3d14b5cafe8ab6c26664d5bc25e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6986cb7513f0b9494b367319ce0b9093c354b01591e9397061400db992412c1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-04T02:18:07Z",
    "title_canon_sha256": "f3be763abc691918aad3776201fbcc9f0c1307579472651afc39f626ff9b567e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02788",
    "kind": "arxiv",
    "version": 1
  }
}