Pith Number

pith:Q3GYOBFP

pith:2015:Q3GYOBFPVC2WMRZWAG7AU7NEC3

not attested not anchored not stored refs pending

Modelling Local Deep Convolutional Neural Network Features to Improve Fine-Grained Image Classification

Chris McCool, Conrad Sanderson, Peter Corke, Zongyuan Ge

arxiv:1502.07802 v1 · 2015-02-27 · 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{Q3GYOBFPVC2WMRZWAG7AU7NEC3}

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	2026-05-18T02:26:02.147918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86cd8704afa8b566473601be0a7da416f63c0a99001bf01901c230b819f17448

Aliases

arxiv: 1502.07802 · arxiv_version: 1502.07802v1 · doi: 10.48550/arxiv.1502.07802 · pith_short_12: Q3GYOBFPVC2W · pith_short_16: Q3GYOBFPVC2WMRZW · pith_short_8: Q3GYOBFP

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/Q3GYOBFPVC2WMRZWAG7AU7NEC3 \
  | 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: 86cd8704afa8b566473601be0a7da416f63c0a99001bf01901c230b819f17448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48c06748330cc96c434e8b2b86117af41fc9db2a044bbecc05d8b5b0d596bfcd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-02-27T02:04:57Z",
    "title_canon_sha256": "92b702a50f914c534a0c939a1cd9df203e142a644089f26db900f49e8b106d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07802",
    "kind": "arxiv",
    "version": 1
  }
}