Pith Number

pith:7IVUK7SJ

pith:2025:7IVUK7SJN2LCH7O6VDR7ZNFTRQ

not attested not anchored not stored refs pending

EchoFree: Towards Ultra Lightweight and Efficient Neural Acoustic Echo Cancellation

Boyi Kang, Lei Xie, Mingshuai Liu, Xingchen Li, Zhonghua Fu, Zihan Zhang, Ziqian Wang

arxiv:2508.06271 v1 · 2025-08-08 · 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{7IVUK7SJN2LCH7O6VDR7ZNFTRQ}

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.

Cited by

3 papers in Pith

LMPAN: A Lightweight Multi-Path Alignment Network for Joint Full-Duplex Acoustic Echo Cancellation and Noise Suppression

DiffVQE: Hybrid Diffusion Voice Quality Enhancement Under Acoustic Echo and Noise

Receipt and verification

First computed	2026-07-05T11:50:53.188375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa2b457e496e9623fddea8e3fcb4b38c3245048c8cf2e26cf73dbb5b1a99f30c

Aliases

arxiv: 2508.06271 · arxiv_version: 2508.06271v1 · doi: 10.48550/arxiv.2508.06271 · pith_short_12: 7IVUK7SJN2LC · pith_short_16: 7IVUK7SJN2LCH7O6 · pith_short_8: 7IVUK7SJ

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/7IVUK7SJN2LCH7O6VDR7ZNFTRQ \
  | 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: fa2b457e496e9623fddea8e3fcb4b38c3245048c8cf2e26cf73dbb5b1a99f30c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e28e44b44ed91b3431ac56c98a56213e5c5c77289f1ac3571d89a42080f7105",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-08-08T12:44:00Z",
    "title_canon_sha256": "613e093d382b2204176edd85be9bc4807ff09474009ec824cc6376181bf44f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.06271",
    "kind": "arxiv",
    "version": 1
  }
}