Pith Number

pith:SG57WTZI

pith:2017:SG57WTZIJJ2IUZIZ72FCRCWGC4

not attested not anchored not stored refs pending

Independent Low-Rank Matrix Analysis Based on Complex Student's $t$-Distribution for Blind Audio Source Separation

Daichi Kitamura, Hiroshi Saruwatari, Nobutaka Ono, Norihiro Takamune, Shinichi Mogami, Yoshiki Mitsui

arxiv:1708.04795 v1 · 2017-08-16 · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SG57WTZIJJ2IUZIZ72FCRCWGC4}

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	2026-05-18T00:37:57.881895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91bbfb4f284a748a6519fe8a288ac617023a9109ecb2faf0daca6b58ab2184e9

Aliases

arxiv: 1708.04795 · arxiv_version: 1708.04795v1 · doi: 10.48550/arxiv.1708.04795 · pith_short_12: SG57WTZIJJ2I · pith_short_16: SG57WTZIJJ2IUZIZ · pith_short_8: SG57WTZI

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/SG57WTZIJJ2IUZIZ72FCRCWGC4 \
  | 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: 91bbfb4f284a748a6519fe8a288ac617023a9109ecb2faf0daca6b58ab2184e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e3241cfda70ccfde111c6cb2f99582f07039caef0fd411d64871fbf1706219",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2017-08-16T07:44:36Z",
    "title_canon_sha256": "391527c23a5404b485638dd3860cf951d0241a16ca9dba2a1b9e977ae7d966e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04795",
    "kind": "arxiv",
    "version": 1
  }
}