Pith Number

pith:WPPECXCH

pith:2018:WPPECXCH6FCZSXB2KSKM5RCG4J

not attested not anchored not stored refs pending

A Systematic Evaluation of Recent Deep Learning Architectures for Fine-Grained Vehicle Classification

Arne Schumann, J\"urgen Beyerer, Krassimir Valev, Lars Sommer

arxiv:1806.02987 v1 · 2018-06-08 · 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{WPPECXCH6FCZSXB2KSKM5RCG4J}

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	2026-05-18T00:13:53.983620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3de415c47f145995c3a5494cec446e25f8bdfaa59ecb612a015b8fa1d87b5ef

Aliases

arxiv: 1806.02987 · arxiv_version: 1806.02987v1 · doi: 10.48550/arxiv.1806.02987 · pith_short_12: WPPECXCH6FCZ · pith_short_16: WPPECXCH6FCZSXB2 · pith_short_8: WPPECXCH

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/WPPECXCH6FCZSXB2KSKM5RCG4J \
  | 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: b3de415c47f145995c3a5494cec446e25f8bdfaa59ecb612a015b8fa1d87b5ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89ddbd2f77504c9817761be9c448c6352514c6a459ec6f1c8527a30485f5dc43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-08T06:55:16Z",
    "title_canon_sha256": "3c81f1297f54c8e5942785c9bc46fa9870d94aaf62544c2eec92ae973d65c7f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02987",
    "kind": "arxiv",
    "version": 1
  }
}