Pith Number

pith:4RS5J4YT

pith:2021:4RS5J4YTNQYGWCDO4FP6VOR2YG

not attested not anchored not stored refs pending

Advanced Geometry Surface Coding for Dynamic Point Cloud Compression

Hao Gao, Hongliang Li, Jian Xiong, King Ngi Ngan, Miaohui Wang, Weisi Lin

arxiv:2103.06549 v1 · 2021-03-11 · 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{4RS5J4YTNQYGWCDO4FP6VOR2YG}

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	2026-07-05T02:22:10.403801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e465d4f3136c306b086ee15feaba3ac1a45da4a77ee5476b1f4743d8892f69ab

Aliases

arxiv: 2103.06549 · arxiv_version: 2103.06549v1 · doi: 10.48550/arxiv.2103.06549 · pith_short_12: 4RS5J4YTNQYG · pith_short_16: 4RS5J4YTNQYGWCDO · pith_short_8: 4RS5J4YT

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/4RS5J4YTNQYGWCDO4FP6VOR2YG \
  | 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: e465d4f3136c306b086ee15feaba3ac1a45da4a77ee5476b1f4743d8892f69ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e051a8dfffdcdab927616db8d77605521e4c61a1a787942b619c61f84b68ed00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-03-11T09:24:05Z",
    "title_canon_sha256": "c667f4c589866e841527c5cd1b499f4c42122a879ccb5bfb27d566a5ae1d2494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06549",
    "kind": "arxiv",
    "version": 1
  }
}