pith. sign in
Pith Number

pith:UC6XLJVP

pith:2019:UC6XLJVP6MD4MSKWFHELDGOT3E
not attested not anchored not stored refs pending

Efficient Neural Network Approaches for Leather Defect Classification

Cheng-Yan Yang, Chien An Wu, Cong Tue Le, Kun-hong Liu, Sze-Teng Liong, Tran Quang Binh, Yen-Chang Huang, Y.S. Gan

arxiv:1906.06446 v1 · 2019-06-15 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UC6XLJVP6MD4MSKWFHELDGOT3E}

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 2026-05-17T23:43:13.654165Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a0bd75a6aff307c6495629c8b199d3d9089720f3f00656eba627c15b9f7aa1ac

Aliases

arxiv: 1906.06446 · arxiv_version: 1906.06446v1 · doi: 10.48550/arxiv.1906.06446 · pith_short_12: UC6XLJVP6MD4 · pith_short_16: UC6XLJVP6MD4MSKW · pith_short_8: UC6XLJVP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UC6XLJVP6MD4MSKWFHELDGOT3E \
  | 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: a0bd75a6aff307c6495629c8b199d3d9089720f3f00656eba627c15b9f7aa1ac
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "02179e415f42e39f223bb0fbbc3002b2aa170176a99d65902939d9397285a586",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-15T01:12:02Z",
    "title_canon_sha256": "3b75e3ab48b237146323db72108126654de99a3cadd3076f3ae259454e49f781"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06446",
    "kind": "arxiv",
    "version": 1
  }
}