Pith Number

pith:JRGSIA6V

pith:2026:JRGSIA6VNL7EB5W6CJZEL4SJ7X

not attested not anchored not stored refs pending

Fast Multichannel NMF with Block-Diagonal Spatial Covariance Matrices for Efficient Blind Source Separation Using Distributed Microphone Arrays

Hiroshi Saruwatari, Hirotaka Nishikori, Kouei Yamaoka, Nobutaka Ito, Norihiro Takamune

arxiv:2605.19388 v1 · 2026-05-19 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRGSIA6VNL7EB5W6CJZEL4SJ7X}

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	2026-05-20T01:05:43.212647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c4d2403d56afe40f6de127245f249fdc10f67b9888070adf9aea946569aeab9

Aliases

arxiv: 2605.19388 · arxiv_version: 2605.19388v1 · doi: 10.48550/arxiv.2605.19388 · pith_short_12: JRGSIA6VNL7E · pith_short_16: JRGSIA6VNL7EB5W6 · pith_short_8: JRGSIA6V

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/JRGSIA6VNL7EB5W6CJZEL4SJ7X \
  | 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: 4c4d2403d56afe40f6de127245f249fdc10f67b9888070adf9aea946569aeab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2bed3353722572ebb089bcc85a18db3f4af377aaf655eedb4455d133a3cc19",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2026-05-19T05:34:40Z",
    "title_canon_sha256": "84849b7d5132e7d38bd5944fda1cba7ecadfe880575f940715b362743e4a1037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19388",
    "kind": "arxiv",
    "version": 1
  }
}