Pith Number

pith:GKDCD2K3

pith:2019:GKDCD2K34VNPCMMZAXXOBN5CCB

not attested not anchored not stored refs pending

Automatic Defect Segmentation on Leather with Deep Learning

Chang-Ann Yuan, Hsiu-Chi Chang, Sze-Teng Liong, Yen-Chang Huang, Y.S. Gan

arxiv:1903.12139 v1 · 2019-03-28 · 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{GKDCD2K34VNPCMMZAXXOBN5CCB}

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	2026-05-17T23:49:57.927601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

328621e95be55af1319905eee0b7a2104b8f6f0690289355a1c12da180e3401a

Aliases

arxiv: 1903.12139 · arxiv_version: 1903.12139v1 · doi: 10.48550/arxiv.1903.12139 · pith_short_12: GKDCD2K34VNP · pith_short_16: GKDCD2K34VNPCMMZ · pith_short_8: GKDCD2K3

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/GKDCD2K34VNPCMMZAXXOBN5CCB \
  | 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: 328621e95be55af1319905eee0b7a2104b8f6f0690289355a1c12da180e3401a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4436f2a6bad3cbb1e721fc4cd0f19b86fac8718162feb1a806e5c235a495c10b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-28T17:24:30Z",
    "title_canon_sha256": "d8b6fcdd0a136e3872f757229cc341437ec4f7eaf2b3728a2d9c0f722df249c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12139",
    "kind": "arxiv",
    "version": 1
  }
}