Pith Number

pith:VQVXFV2T

pith:2025:VQVXFV2TAF4XQ5V6QCYXSZ6IO5

not attested not anchored not stored refs pending

Sparse2DGS: Sparse-View Surface Reconstruction using 2D Gaussian Splatting with Dense Point Cloud

Hwann-Tzong Chen, Koichi Ito, Natsuki Takama, Shintaro Ito, Takafumi Aoki

arxiv:2505.19854 v2 · 2025-05-26 · 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{VQVXFV2TAF4XQ5V6QCYXSZ6IO5}

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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.

Cited by

1 paper in Pith

Sparse2DGS: Sparse-View Surface Reconstruction using 2D Gaussian Splatting with Dense Point Cloud

Receipt and verification

First computed	2026-07-05T11:11:46.766784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac2b72d75301797876be80b17967c8776adfe8168fa6c8b04766ccaf6aa0d42e

Aliases

arxiv: 2505.19854 · arxiv_version: 2505.19854v2 · doi: 10.48550/arxiv.2505.19854 · pith_short_12: VQVXFV2TAF4X · pith_short_16: VQVXFV2TAF4XQ5V6 · pith_short_8: VQVXFV2T

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/VQVXFV2TAF4XQ5V6QCYXSZ6IO5 \
  | 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: ac2b72d75301797876be80b17967c8776adfe8168fa6c8b04766ccaf6aa0d42e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9947e7b1a595bb5d407ec972e9193050f7122c06e146489cbbf63d045129b94e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-05-26T11:38:26Z",
    "title_canon_sha256": "44673c00b7365de52838461c9d48bb883bf17b4e3e35e92e75d182c5e82812d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.19854",
    "kind": "arxiv",
    "version": 2
  }
}