Pith Number

pith:OBNPZM7Q

pith:2022:OBNPZM7QXBDVPHY7KSCPAQPWWK

not attested not anchored not stored refs pending

Differentiable Dictionary Search: Integrating Linear Mixing with Deep Non-Linear Modelling for Audio Source Separation

Gerhard Widmer, Luk\'a\v{s} Samuel Mart\'ak, Rainer Kelz

arxiv:2211.15524 v1 · 2022-11-28 · eess.AS · 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{OBNPZM7QXBDVPHY7KSCPAQPWWK}

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	2026-07-05T05:20:05.233054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

705afcb3f0b847579f1f5484f041f6b2bdd1b91c7cb47818c36d4b62b38f0e12

Aliases

arxiv: 2211.15524 · arxiv_version: 2211.15524v1 · doi: 10.48550/arxiv.2211.15524 · pith_short_12: OBNPZM7QXBDV · pith_short_16: OBNPZM7QXBDVPHY7 · pith_short_8: OBNPZM7Q

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/OBNPZM7QXBDVPHY7KSCPAQPWWK \
  | 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: 705afcb3f0b847579f1f5484f041f6b2bdd1b91c7cb47818c36d4b62b38f0e12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e82f305fb9e78153ce6d425a651ec3f59508d285b55b820f5c60e1e22f2b7e4",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2022-11-28T16:37:02Z",
    "title_canon_sha256": "a0f6390acfc77148ffc8e609dd6ad3703cbd6268c9c7db9648c6e0e2f545af40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.15524",
    "kind": "arxiv",
    "version": 1
  }
}