Pith Number

pith:Q7UQXZQJ

pith:2025:Q7UQXZQJYWYVW6AWESJN45UQJD

not attested not anchored not stored refs pending

Automatic Classification and Segmentation of Tunnel Cracks Based on Deep Learning and Visual Explanations

Shijin Feng, Xiaolei Zhang, Yihan Chen, Yong Feng, Yong Zhao

arxiv:2507.14010 v1 · 2025-07-18 · 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{Q7UQXZQJYWYVW6AWESJN45UQJD}

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	2026-07-05T11:39:26.888643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87e90be609c5b15b78162492de769048c95e4f3d934a0b923c99a0b6b5a0e784

Aliases

arxiv: 2507.14010 · arxiv_version: 2507.14010v1 · doi: 10.48550/arxiv.2507.14010 · pith_short_12: Q7UQXZQJYWYV · pith_short_16: Q7UQXZQJYWYVW6AW · pith_short_8: Q7UQXZQJ

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/Q7UQXZQJYWYVW6AWESJN45UQJD \
  | 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: 87e90be609c5b15b78162492de769048c95e4f3d934a0b923c99a0b6b5a0e784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f21b1f2e2060e1611a0494233c3fcf48e92390e9bf08b525fce089a24177da77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-18T15:21:02Z",
    "title_canon_sha256": "51190fde4817eb42c31d68a68cac12d9b7afa1ef557ccc7f26e08f6ee104659f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14010",
    "kind": "arxiv",
    "version": 1
  }
}