Pith Number

pith:2T4JGLI2

pith:2025:2T4JGLI2OW62NCRL75Z4YQH27D

not attested not anchored not stored refs pending

Separate This, and All of these Things Around It: Music Source Separation via Hyperellipsoidal Queries

Alexander Lerch, Karn N. Watcharasupat

arxiv:2501.16171 v1 · 2025-01-27 · eess.AS · cs.IR · cs.LG · 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{2T4JGLI2OW62NCRL75Z4YQH27D}

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	2026-07-05T10:05:56.184405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4f8932d1a75bda68a2bff73cc40faf8eb40ded58d54ee9abae4fc8156db4fd1

Aliases

arxiv: 2501.16171 · arxiv_version: 2501.16171v1 · doi: 10.48550/arxiv.2501.16171 · pith_short_12: 2T4JGLI2OW62 · pith_short_16: 2T4JGLI2OW62NCRL · pith_short_8: 2T4JGLI2

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/2T4JGLI2OW62NCRL75Z4YQH27D \
  | 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: d4f8932d1a75bda68a2bff73cc40faf8eb40ded58d54ee9abae4fc8156db4fd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0e79a47273de6bae203648c960a1da002f0301a7127ba4719c1ab8e6d05f04d",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-01-27T16:13:50Z",
    "title_canon_sha256": "8ed41cce80c1e5b420f28d182430dcbb0b189ce89f1755c9d023385be4ce1b4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16171",
    "kind": "arxiv",
    "version": 1
  }
}