Pith Number

pith:5R4LELYZ

pith:2018:5R4LELYZKOTWX63YVCQZW6HMBZ

not attested not anchored not stored refs pending

FastFCA: A Joint Diagonalization Based Fast Algorithm for Audio Source Separation Using A Full-Rank Spatial Covariance Model

Nobutaka Ito, Shoko Araki, Tomohiro Nakatani

arxiv:1805.06572 v1 · 2018-05-17 · cs.SD · 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{5R4LELYZKOTWX63YVCQZW6HMBZ}

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	2026-05-18T00:15:44.015712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec78b22f1953a76bfb78a8a19b78ec0e63725abb6a6097f85c2807b90b07c932

Aliases

arxiv: 1805.06572 · arxiv_version: 1805.06572v1 · doi: 10.48550/arxiv.1805.06572 · pith_short_12: 5R4LELYZKOTW · pith_short_16: 5R4LELYZKOTWX63Y · pith_short_8: 5R4LELYZ

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/5R4LELYZKOTWX63YVCQZW6HMBZ \
  | 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: ec78b22f1953a76bfb78a8a19b78ec0e63725abb6a6097f85c2807b90b07c932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4958c60f005cad000cb3e0cc68047f43cafb36ebcf025b051a8d1954cc72427",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2018-05-17T01:47:14Z",
    "title_canon_sha256": "fd6c33f7a7a164c81598c7eee19246828a6f136f78f5b1952d4ccf3c2dcd7354"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06572",
    "kind": "arxiv",
    "version": 1
  }
}