Pith Number

pith:6HAAEPRU

pith:2015:6HAAEPRU4AMZ77ZBZWDVGXY5O5

not attested not anchored not stored refs pending

Improved Deep Convolutional Neural Network For Online Handwritten Chinese Character Recognition using Domain-Specific Knowledge

Lianwen Jin, Weixin Yang, Zecheng Xie, Ziyong Feng

arxiv:1505.07675 v1 · 2015-05-28 · 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{6HAAEPRU4AMZ77ZBZWDVGXY5O5}

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	2026-05-18T02:00:56.168305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1c0023e34e0199fff21cd87535f1d7777244ca0c55b4850e59b365728fbdbc2

Aliases

arxiv: 1505.07675 · arxiv_version: 1505.07675v1 · doi: 10.48550/arxiv.1505.07675 · pith_short_12: 6HAAEPRU4AMZ · pith_short_16: 6HAAEPRU4AMZ77ZB · pith_short_8: 6HAAEPRU

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/6HAAEPRU4AMZ77ZBZWDVGXY5O5 \
  | 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: f1c0023e34e0199fff21cd87535f1d7777244ca0c55b4850e59b365728fbdbc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85bf635196fafe0e304b74516826a17d86b0b41715ccc0b45d5b8ac25c18fffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-28T12:43:22Z",
    "title_canon_sha256": "79256ac2c9158a06720d852e224fc86a5ea39e156cf6ad7afcb5469e6f33cea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07675",
    "kind": "arxiv",
    "version": 1
  }
}