Pith Number

pith:3PX5CQPD

pith:2025:3PX5CQPDWURSWFHDFWW5UIG4WQ

not attested not anchored not stored refs pending

3D Modeling and Automated Measurement of Concrete Cracks via Segment Anything Refinement and Visual Inertial LiDAR Fusion

Chun Li, Jiapeng Yao, Pengru Deng, Su Wang, Varun Ojha, Xinrun Li, Xuhui He

arxiv:2501.09203 v2 · 2025-01-15 · cs.CV · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PX5CQPDWURSWFHDFWW5UIG4WQ}

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	2026-05-20T01:04:51.691979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbefd141e3b5232b14e32dadda20dcb41397122e7e00e681d5799ecec343c464

Aliases

arxiv: 2501.09203 · arxiv_version: 2501.09203v2 · doi: 10.48550/arxiv.2501.09203 · pith_short_12: 3PX5CQPDWURS · pith_short_16: 3PX5CQPDWURSWFHD · pith_short_8: 3PX5CQPD

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/3PX5CQPDWURSWFHDFWW5UIG4WQ \
  | 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: dbefd141e3b5232b14e32dadda20dcb41397122e7e00e681d5799ecec343c464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3cfae46b5388a66c20a0bcc741b9043231fe7d34b6bf87548a75012b320e81",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-15T23:36:05Z",
    "title_canon_sha256": "f98b2f8c8b9f6a8d811d8d493d9f8a240def7c148baad48b3495ceb37b148deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09203",
    "kind": "arxiv",
    "version": 2
  }
}