Pith Number

pith:IB2A4PJJ

pith:2024:IB2A4PJJQXDICOCTZFBQQ5MMWG

not attested not anchored not stored refs pending

Least-Squares Adaptive Filter-Based Cohen's Class Time-Frequency Distribution for Signal Denoising

Manjun Cui, Yangfan He, Zhichao Zhang

arxiv:2408.04210 v4 · 2024-08-08 · 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{IB2A4PJJQXDICOCTZFBQQ5MMWG}

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	2026-06-03T01:05:03.617644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40740e3d2985c6813853c94308758cb19f56286af83030812dca23eabd606bd8

Aliases

arxiv: 2408.04210 · arxiv_version: 2408.04210v4 · doi: 10.48550/arxiv.2408.04210 · pith_short_12: IB2A4PJJQXDI · pith_short_16: IB2A4PJJQXDICOCT · pith_short_8: IB2A4PJJ

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/IB2A4PJJQXDICOCTZFBQQ5MMWG \
  | 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: 40740e3d2985c6813853c94308758cb19f56286af83030812dca23eabd606bd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a88e753c5c7a0e6f253db4e710a682c4145883a120b8f0a5efd0b5a8cffd9b75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2024-08-08T04:31:00Z",
    "title_canon_sha256": "380bcf114d1606779884a5649cc7ad9bb8a15cde9b2a107fc17c75a6bdb1fe7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.04210",
    "kind": "arxiv",
    "version": 4
  }
}