Pith Number

pith:CG4BLDWE

pith:2024:CG4BLDWEXDX5JDKEPI55BJW4NY

not attested not anchored not stored refs pending

Unsupervised Improved MVDR Beamforming for Sound Enhancement

Fran\c{c}ois Grondin, Jacob Kealey, John Hershey

arxiv:2406.06310 v4 · 2024-06-10 · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CG4BLDWEXDX5JDKEPI55BJW4NY}

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	2026-07-05T09:13:53.601872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b8158ec4b8efd48d447a3bd0a6dc6e172b85540bd105811d733a85afc29efc

Aliases

arxiv: 2406.06310 · arxiv_version: 2406.06310v4 · doi: 10.48550/arxiv.2406.06310 · pith_short_12: CG4BLDWEXDX5 · pith_short_16: CG4BLDWEXDX5JDKE · pith_short_8: CG4BLDWE

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/CG4BLDWEXDX5JDKEPI55BJW4NY \
  | 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: 11b8158ec4b8efd48d447a3bd0a6dc6e172b85540bd105811d733a85afc29efc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2985f3bc1f8544438a4a2dd3995726475ab3e3b8698de175f33474229b266366",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2024-06-10T14:26:09Z",
    "title_canon_sha256": "6f6cc858980e6d69401b576f3d95621d6a7d888f4e399054460fd10d5096eddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.06310",
    "kind": "arxiv",
    "version": 4
  }
}