Pith Number

pith:AEX7RYFF

pith:2018:AEX7RYFFNZD53ATBIFN3SIW4DT

not attested not anchored not stored refs pending

Fast 3D Point Cloud Denoising via Bipartite Graph Approximation & Total Variation

Cheng Yang, Chinthaka Dinesh, Gene Cheung, Ivan V. Bajic

arxiv:1804.10831 v1 · 2018-04-28 · 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{AEX7RYFFNZD53ATBIFN3SIW4DT}

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	2026-05-18T00:17:15.400781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

012ff8e0a56e47dd8261415bb922dc1cd34ba96460d534d82a625b8163721857

Aliases

arxiv: 1804.10831 · arxiv_version: 1804.10831v1 · doi: 10.48550/arxiv.1804.10831 · pith_short_12: AEX7RYFFNZD5 · pith_short_16: AEX7RYFFNZD53ATB · pith_short_8: AEX7RYFF

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/AEX7RYFFNZD53ATBIFN3SIW4DT \
  | 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: 012ff8e0a56e47dd8261415bb922dc1cd34ba96460d534d82a625b8163721857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f1acfee7fd941562a2658abad6f9e2207a94cc32d02be7d6bfa6f88d14ea1e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-04-28T16:39:47Z",
    "title_canon_sha256": "af040e064f03685302ea980fb6c4ed8eed88a6ea97726aa806ef579acb207b44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10831",
    "kind": "arxiv",
    "version": 1
  }
}