Pith Number

pith:AOXTBXDL

pith:2014:AOXTBXDLDSNPEX5GNFLUMWSA3I

not attested not anchored not stored refs pending

Fine-Grained Visual Categorization via Multi-stage Metric Learning

Qi Qian, Rong Jin, Shenghuo Zhu, Yuanqing Lin

arxiv:1402.0453 v2 · 2014-02-03 · cs.CV · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AOXTBXDLDSNPEX5GNFLUMWSA3I}

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	2026-05-18T01:57:23.637542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03af30dc6b1c9af25fa66957465a40da32edc6b3ca474565080358c71286109d

Aliases

arxiv: 1402.0453 · arxiv_version: 1402.0453v2 · doi: 10.48550/arxiv.1402.0453 · pith_short_12: AOXTBXDLDSNP · pith_short_16: AOXTBXDLDSNPEX5G · pith_short_8: AOXTBXDL

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/AOXTBXDLDSNPEX5GNFLUMWSA3I \
  | 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: 03af30dc6b1c9af25fa66957465a40da32edc6b3ca474565080358c71286109d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6fb773ddd6347b05f7f9788afec8331c6eac6877b189957ad35b48df77b6dda",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-02-03T18:20:53Z",
    "title_canon_sha256": "c0f223c7254d919311c69012957fa989faf4b0f0500567ceabd4cd903ffbe352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0453",
    "kind": "arxiv",
    "version": 2
  }
}