Pith Number

pith:2CXW2F2Z

pith:2015:2CXW2F2Z7UHYQ6ENRJVIK5X6S5

not attested not anchored not stored refs pending

SVM and ELM: Who Wins? Object Recognition with Deep Convolutional Features from ImageNet

David Zhang, Lei Zhang

arxiv:1506.02509 v1 · 2015-06-08 · cs.LG · 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{2CXW2F2Z7UHYQ6ENRJVIK5X6S5}

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	2026-05-18T01:55:50.910005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0af6d1759fd0f88788d8a6a8576fe9746b13d5325c52586a5c5341441f2aef0

Aliases

arxiv: 1506.02509 · arxiv_version: 1506.02509v1 · doi: 10.48550/arxiv.1506.02509 · pith_short_12: 2CXW2F2Z7UHY · pith_short_16: 2CXW2F2Z7UHYQ6EN · pith_short_8: 2CXW2F2Z

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/2CXW2F2Z7UHYQ6ENRJVIK5X6S5 \
  | 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: d0af6d1759fd0f88788d8a6a8576fe9746b13d5325c52586a5c5341441f2aef0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bc0f4f0fd9c9a02c5d3df4dd5a57cd64f5dc5cb01c1ee8195e683310e4c98d2",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-06-08T13:58:01Z",
    "title_canon_sha256": "fbdbcb2ea34bdc51a901cf0dd4e34027ffbd3579caaa900e09031001d042a119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02509",
    "kind": "arxiv",
    "version": 1
  }
}