Pith Number

pith:OVPCQU4V

pith:2021:OVPCQU4VQZ6MPS6SZ63XCBYUPP

not attested not anchored not stored refs pending

Rail-5k: a Real-World Dataset for Rail Surface Defects Detection

Bingchen Zhao, Shaozuo Yu, Siwei Yang, Yu Zhou, Zihao Zhang

arxiv:2106.14366 v1 · 2021-06-28 · 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{OVPCQU4VQZ6MPS6SZ63XCBYUPP}

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	2026-07-05T02:52:49.979549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

755e285395867cc7cbd2cfb77107147be9a4e38daa767c4800e629401429b712

Aliases

arxiv: 2106.14366 · arxiv_version: 2106.14366v1 · doi: 10.48550/arxiv.2106.14366 · pith_short_12: OVPCQU4VQZ6M · pith_short_16: OVPCQU4VQZ6MPS6S · pith_short_8: OVPCQU4V

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/OVPCQU4VQZ6MPS6SZ63XCBYUPP \
  | 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: 755e285395867cc7cbd2cfb77107147be9a4e38daa767c4800e629401429b712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d2875957525dfa59894617ff583e1a4e871479af1afd42bdb4578d7d3c88fed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-28T01:53:52Z",
    "title_canon_sha256": "e3f4990cb81d860e2aff97362e20158e8fc3c2411e9404b6d3d491d411c0f051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.14366",
    "kind": "arxiv",
    "version": 1
  }
}