Pith Number

pith:QG7IQYSF

pith:2021:QG7IQYSFRY6JRGCDLJ3TP2RS5A

not attested not anchored not stored refs pending

Hierarchical Convolutional Neural Network with Feature Preservation and Autotuned Thresholding for Crack Detection

Manh Duong Phung, Qiuchen Zhu, Quang Phuc Ha, Tran Hiep Dinh

arxiv:2104.10511 v1 · 2021-04-21 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QG7IQYSFRY6JRGCDLJ3TP2RS5A}

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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	2026-07-05T02:34:03.186800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81be8862458e3c9898435a7737ea32e8169e486f561befed1b3fe29fc5d8833e

Aliases

arxiv: 2104.10511 · arxiv_version: 2104.10511v1 · doi: 10.48550/arxiv.2104.10511 · pith_short_12: QG7IQYSFRY6J · pith_short_16: QG7IQYSFRY6JRGCD · pith_short_8: QG7IQYSF

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/QG7IQYSFRY6JRGCDLJ3TP2RS5A \
  | 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: 81be8862458e3c9898435a7737ea32e8169e486f561befed1b3fe29fc5d8833e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ddf9b7c1d7261f3be83869fc1e022d04a977a5a31cf0426050dc70cebfdf66a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-21T13:07:58Z",
    "title_canon_sha256": "550a559c0b6d1fb7eed01262b5638c329c307090a123d66740437111e4fed87e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10511",
    "kind": "arxiv",
    "version": 1
  }
}