Pith Number

pith:XUC2AUVN

pith:2021:XUC2AUVNBCDGORVRM6GT5FW3U5

not attested not anchored not stored refs pending

The Cocktail Fork Problem: Three-Stem Audio Separation for Real-World Soundtracks

Darius Petermann, Gordon Wichern, Jonathan Le Roux, Zhong-Qiu Wang

arxiv:2110.09958 v2 · 2021-10-19 · eess.AS · 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{XUC2AUVNBCDGORVRM6GT5FW3U5}

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	2026-07-05T04:08:04.139262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd05a052ad08866746b1678d3e96dba76ce60c20265e4b6e189a3969db7005f7

Aliases

arxiv: 2110.09958 · arxiv_version: 2110.09958v2 · doi: 10.48550/arxiv.2110.09958 · pith_short_12: XUC2AUVNBCDG · pith_short_16: XUC2AUVNBCDGORVR · pith_short_8: XUC2AUVN

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/XUC2AUVNBCDGORVRM6GT5FW3U5 \
  | 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: bd05a052ad08866746b1678d3e96dba76ce60c20265e4b6e189a3969db7005f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "585710e1c4592974326eb8ae82de77d4f657dc184105eb09abc838802a1d84e0",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-10-19T13:18:13Z",
    "title_canon_sha256": "b7c7cca9cb88998e48d16c11813967b896b4d57b5677607b530c81f8ebb65a2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09958",
    "kind": "arxiv",
    "version": 2
  }
}