Pith Number

pith:HWCYQMJ4

pith:2022:HWCYQMJ4RE67C7Y7A7QYRIVPQL

not attested not anchored not stored refs pending

ECM-OPCC: Efficient Context Model for Octree-based Point Cloud Compression

Tongda Xu, Yan Wang, Yiqi Jin, Yuhuan Lin, Ziyu Zhu

arxiv:2211.10916 v4 · 2022-11-20 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWCYQMJ4RE67C7Y7A7QYRIVPQL}

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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

LEAN-3D: Low-latency Hierarchical Point Cloud Codec for Mobile 3D Streaming

Receipt and verification

First computed	2026-07-05T07:22:14.143723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d8588313c893df17f1f07e188a2af82c1948a486d6943acf176a68cc03e303b

Aliases

arxiv: 2211.10916 · arxiv_version: 2211.10916v4 · doi: 10.48550/arxiv.2211.10916 · pith_short_12: HWCYQMJ4RE67 · pith_short_16: HWCYQMJ4RE67C7Y7 · pith_short_8: HWCYQMJ4

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/HWCYQMJ4RE67C7Y7A7QYRIVPQL \
  | 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: 3d8588313c893df17f1f07e188a2af82c1948a486d6943acf176a68cc03e303b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "939fd2a7fe9ce8f9b0c87d2edcce00b6e5e049d9e870c10a7d3af72df7548e0c",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-11-20T09:20:32Z",
    "title_canon_sha256": "bbc28e112015bc1741f8c6ce5896bc8465873c9947ff78583c8b8cc280c8cfbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.10916",
    "kind": "arxiv",
    "version": 4
  }
}