Pith Number

pith:PZ4Q7SCC

pith:2023:PZ4Q7SCCXY7LJLEHX5CEVUQ3UR

not attested not anchored not stored refs pending

A New Non-Negative Matrix Factorization Approach for Blind Source Separation of Cardiovascular and Respiratory Sound Based on the Periodicity of Heart and Lung Function

James P. Reilly, Shahram Shirani, Yasaman Torabi

arxiv:2305.01889 v2 · 2023-05-03 · 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{PZ4Q7SCCXY7LJLEHX5CEVUQ3UR}

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.

Cited by

2 papers in Pith

Manikin-Recorded Cardiopulmonary Sounds Dataset Using Digital Stethoscope

NeuroMambaLLM: Dynamic Graph Learning of fMRI Functional Connectivity in Autistic Brains Using Mamba and Language Model Reasoning

Receipt and verification

First computed	2026-05-27T01:04:46.277241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e790fc842be3eb4ac87bf444ad21ba474b0d085f7e4646c5c38d33254e4aac3

Aliases

arxiv: 2305.01889 · arxiv_version: 2305.01889v2 · doi: 10.48550/arxiv.2305.01889 · pith_short_12: PZ4Q7SCCXY7L · pith_short_16: PZ4Q7SCCXY7LJLEH · pith_short_8: PZ4Q7SCC

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/PZ4Q7SCCXY7LJLEHX5CEVUQ3UR \
  | 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: 7e790fc842be3eb4ac87bf444ad21ba474b0d085f7e4646c5c38d33254e4aac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aecee0146e4972892c24283cdb09a1b5de1a296380242d61c82dde5e1513d91c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-05-03T04:34:19Z",
    "title_canon_sha256": "7a0c972bea9872704ccaef3e1c4eb996f39ee2a7e27725064881f8b5e93ccbc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.01889",
    "kind": "arxiv",
    "version": 2
  }
}