Pith Number

pith:S6EWURSQ

pith:2025:S6EWURSQRLHF5ITLDBJZV5LT5W

not attested not anchored not stored refs pending

SPU-IMR: Self-supervised Arbitrary-scale Point Cloud Upsampling via Iterative Mask-recovery Network

Chenlei Lv, Jiaqi Yang, Muze Wang, Qiao Wu, Siwen Quan, Zhaoshuai Qi, Ziming Nie

arxiv:2502.19452 v1 · 2025-02-26 · eess.IV · 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{S6EWURSQRLHF5ITLDBJZV5LT5W}

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	2026-07-05T10:21:08.062895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97896a46508ace5ea26b18539af573ed9de89103ab25a1e0c5fdc23833dfeb69

Aliases

arxiv: 2502.19452 · arxiv_version: 2502.19452v1 · doi: 10.48550/arxiv.2502.19452 · pith_short_12: S6EWURSQRLHF · pith_short_16: S6EWURSQRLHF5ITL · pith_short_8: S6EWURSQ

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/S6EWURSQRLHF5ITLDBJZV5LT5W \
  | 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: 97896a46508ace5ea26b18539af573ed9de89103ab25a1e0c5fdc23833dfeb69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "076af6c3bdf4b62b11623953eb8c633dc88fb7942406400bad1ccbc451955592",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-02-26T06:35:25Z",
    "title_canon_sha256": "832217c4b071f03af96d624520e070038db18a68ea399a5b6562d5ee88f6150a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19452",
    "kind": "arxiv",
    "version": 1
  }
}