Pith Number

pith:QHCSZ7HK

pith:2026:QHCSZ7HKEFOPGURS6EBKLHDTPY

not attested not anchored not stored refs pending

CLIP-Guided Label-Free Discriminative Region Scoring for Fine-Grained Classification

Yujie Zhu

arxiv:2607.13437 v1 · 2026-07-15 · 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{QHCSZ7HKEFOPGURS6EBKLHDTPY}

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	2026-07-16T01:22:12.689481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c52cfcea215cf35232f102a59c737e005446c857f56491f5b186918ad7a9e3

Aliases

arxiv: 2607.13437 · arxiv_version: 2607.13437v1 · doi: 10.48550/arxiv.2607.13437 · pith_short_12: QHCSZ7HKEFOP · pith_short_16: QHCSZ7HKEFOPGURS · pith_short_8: QHCSZ7HK

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/QHCSZ7HKEFOPGURS6EBKLHDTPY \
  | 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: 81c52cfcea215cf35232f102a59c737e005446c857f56491f5b186918ad7a9e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d3c48ba10e0f4e11af653bd8c9e5e935d9085bae17ac86554990143021c7d1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-15T04:40:36Z",
    "title_canon_sha256": "37df2f5d11446c5400561961fffbc75e72352216b072297427df681b609b4bc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13437",
    "kind": "arxiv",
    "version": 1
  }
}