Pith Number

pith:GQEPUQ3P

pith:2026:GQEPUQ3PHMF4CI2I4J42P3DN5X

not attested not anchored not stored refs pending

ToolFG: Towards Well-Grounded Fine-Grained Image Classification

Haoxuan Qu, Hossein Rahmani, Jun Liu, Yan Bai, Yihang Lou, Yu Xue, Zhuoling Li

arxiv:2606.02518 v1 · 2026-06-01 · 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{GQEPUQ3PHMF4CI2I4J42P3DN5X}

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	2026-06-02T03:05:08.376755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3408fa436f3b0bc12348e279a7ec6dedf8b8922165e0e0eac1b07d3cea7d6e20

Aliases

arxiv: 2606.02518 · arxiv_version: 2606.02518v1 · doi: 10.48550/arxiv.2606.02518 · pith_short_12: GQEPUQ3PHMF4 · pith_short_16: GQEPUQ3PHMF4CI2I · pith_short_8: GQEPUQ3P

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/GQEPUQ3PHMF4CI2I4J42P3DN5X \
  | 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: 3408fa436f3b0bc12348e279a7ec6dedf8b8922165e0e0eac1b07d3cea7d6e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9950f9c14c32fdead554fd641d3d376b0c65fbc7409051bd66cd76fa2160d7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-01T17:27:48Z",
    "title_canon_sha256": "b08c2e7e33cae54ddff20d9aea88a81dfdca13166068e8c7833b398aa82d2a8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02518",
    "kind": "arxiv",
    "version": 1
  }
}