Pith Number

pith:YY7YVHI3

pith:2018:YY7YVHI3EKSI3I7MS5ELNKQ2FQ

not attested not anchored not stored refs pending

Hierarchical Transfer Convolutional Neural Networks for Image Classification

Hsiang-Huang Wu, Lijun Qian, Xishuang Dong, Yuzhong Yan

arxiv:1804.00021 v2 · 2018-03-30 · 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{YY7YVHI3EKSI3I7MS5ELNKQ2FQ}

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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	2026-05-18T00:16:19.150611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c63f8a9d1b22a48da3ec9748b6aa1a2c3f9a8124bc8e391aca6a16794f83d2cf

Aliases

arxiv: 1804.00021 · arxiv_version: 1804.00021v2 · doi: 10.48550/arxiv.1804.00021 · pith_short_12: YY7YVHI3EKSI · pith_short_16: YY7YVHI3EKSI3I7M · pith_short_8: YY7YVHI3

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/YY7YVHI3EKSI3I7MS5ELNKQ2FQ \
  | 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: c63f8a9d1b22a48da3ec9748b6aa1a2c3f9a8124bc8e391aca6a16794f83d2cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2c4d8a86a0b312d19623965387bc43855a649d952c645d1d580bdabdb0f9677",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-30T18:19:32Z",
    "title_canon_sha256": "d11285767dca8f07d797488377f521211d46dd16b0f280335f25fc5a2ab36b59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00021",
    "kind": "arxiv",
    "version": 2
  }
}