Pith Number

pith:YQVEJBQY

pith:2016:YQVEJBQY2MMN5UYCXYA6GTA3KE

not attested not anchored not stored refs pending

Singing Voice Separation and Vocal F0 Estimation based on Mutual Combination of Robust Principal Component Analysis and Subharmonic Summation

Katsutoshi Itoyama, Kazuyoshi Yoshii, Yukara Ikemiya

arxiv:1604.00192 v1 · 2016-04-01 · cs.SD · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQVEJBQY2MMN5UYCXYA6GTA3KE}

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	2026-05-18T00:56:31.206824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c42a448618d318ded302be01e34c1b511a7dfbf7e293405a2085688f10233ee1

Aliases

arxiv: 1604.00192 · arxiv_version: 1604.00192v1 · doi: 10.48550/arxiv.1604.00192 · pith_short_12: YQVEJBQY2MMN · pith_short_16: YQVEJBQY2MMN5UYC · pith_short_8: YQVEJBQY

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/YQVEJBQY2MMN5UYCXYA6GTA3KE \
  | 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: c42a448618d318ded302be01e34c1b511a7dfbf7e293405a2085688f10233ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77719ac1cd876c9b68ae6dabba63ba293f34c65f5817b42a1204fb948feda8f4",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2016-04-01T10:28:51Z",
    "title_canon_sha256": "4190052e800fde206031ee8970d1d378a085884e050d0ab3a840abb03598b46a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00192",
    "kind": "arxiv",
    "version": 1
  }
}