Pith Number

pith:NGTCUUXU

pith:2021:NGTCUUXURZWIPUCJOQGESUIR6Y

not attested not anchored not stored refs pending

Point Cloud Resampling Through Hypergraph Signal Processing

Qinwen Deng, Songyang Zhang, Zhi Ding

arxiv:2102.06376 v2 · 2021-02-12 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGTCUUXURZWIPUCJOQGESUIR6Y}

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	2026-07-05T03:34:22.195424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69a62a52f48e6c87d049740c495111f61c7cb9d813013d552397730722d85b72

Aliases

arxiv: 2102.06376 · arxiv_version: 2102.06376v2 · doi: 10.48550/arxiv.2102.06376 · pith_short_12: NGTCUUXURZWI · pith_short_16: NGTCUUXURZWIPUCJ · pith_short_8: NGTCUUXU

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/NGTCUUXURZWIPUCJOQGESUIR6Y \
  | 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: 69a62a52f48e6c87d049740c495111f61c7cb9d813013d552397730722d85b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f73f71cd27fd6039a10dad0489babf6f833e302d9284a632c7517ef0d25e84ac",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-02-12T07:46:55Z",
    "title_canon_sha256": "1f9d027cdaa10871022c92097cbb1abe024c2461472d43910c145ec6a3ed2596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06376",
    "kind": "arxiv",
    "version": 2
  }
}