Pith Number

pith:RB6OQ6RR

pith:2018:RB6OQ6RR5OS7PHWQFBGBUE7IL5

not attested not anchored not stored refs pending

Deep-CLASS at ISIC Machine Learning Challenge 2018

Julien Helsper, Madjid Fathi, Matthias Jung, Sara Nasiri

arxiv:1807.08993 v1 · 2018-07-24 · 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{RB6OQ6RR5OS7PHWQFBGBUE7IL5}

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	2026-05-18T00:09:57.111846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887ce87a31eba5f79ed0284c1a13e85f50bc75a485777dd2598cf3e61b23f64f

Aliases

arxiv: 1807.08993 · arxiv_version: 1807.08993v1 · doi: 10.48550/arxiv.1807.08993 · pith_short_12: RB6OQ6RR5OS7 · pith_short_16: RB6OQ6RR5OS7PHWQ · pith_short_8: RB6OQ6RR

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/RB6OQ6RR5OS7PHWQFBGBUE7IL5 \
  | 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: 887ce87a31eba5f79ed0284c1a13e85f50bc75a485777dd2598cf3e61b23f64f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be77f6b3ffeb21a3b0a8cdf971747be1eb140106aff4e635b20606a9481683d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-24T09:43:53Z",
    "title_canon_sha256": "d58b015f01f8fbbcb1d177da773086fb265e4b28c20ec218d31459a8f9a9b921"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08993",
    "kind": "arxiv",
    "version": 1
  }
}