Pith Number

pith:P4ETU2RB

pith:2015:P4ETU2RBGHUNX7HR7CUE5WVUOP

not attested not anchored not stored refs pending

High Performance Offline Handwritten Chinese Character Recognition Using GoogLeNet and Directional Feature Maps

Lianwen Jin, Zecheng Xie, Zhuoyao Zhong

arxiv:1505.04925 v1 · 2015-05-19 · 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{P4ETU2RBGHUNX7HR7CUE5WVUOP}

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	2026-05-18T02:05:22.762615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f093a6a2131e8dbfcf1f8a84edab473e07f8c7b43560f380ec0a61e618a57d9

Aliases

arxiv: 1505.04925 · arxiv_version: 1505.04925v1 · doi: 10.48550/arxiv.1505.04925 · pith_short_12: P4ETU2RBGHUN · pith_short_16: P4ETU2RBGHUNX7HR · pith_short_8: P4ETU2RB

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/P4ETU2RBGHUNX7HR7CUE5WVUOP \
  | 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: 7f093a6a2131e8dbfcf1f8a84edab473e07f8c7b43560f380ec0a61e618a57d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93fda922d1f2500f158670cf8abc4cd729da1f71f91ce2885491d1911fb815c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-19T09:32:54Z",
    "title_canon_sha256": "7b3471b3f096fdd7435034684330039e90833865057450fe29eaf07479096397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04925",
    "kind": "arxiv",
    "version": 1
  }
}