Pith Number

pith:Q4OF7KBO

pith:2021:Q4OF7KBORAKJNXVCNC2XOIU3AF

not attested not anchored not stored refs pending

EchoFilter: End-to-End Neural Network for Acoustic Echo Cancellation

Lu Ma, Song Yang, Xintian Wang, Yaguang Gong, Zhongqin Wu

arxiv:2105.14666 v1 · 2021-05-31 · 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{Q4OF7KBORAKJNXVCNC2XOIU3AF}

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	2026-07-05T02:44:40.035468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871c5fa82e881496dea268b577229b01684cf73d616509fd63b9122df7cc4e33

Aliases

arxiv: 2105.14666 · arxiv_version: 2105.14666v1 · doi: 10.48550/arxiv.2105.14666 · pith_short_12: Q4OF7KBORAKJ · pith_short_16: Q4OF7KBORAKJNXVC · pith_short_8: Q4OF7KBO

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/Q4OF7KBORAKJNXVCNC2XOIU3AF \
  | 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: 871c5fa82e881496dea268b577229b01684cf73d616509fd63b9122df7cc4e33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b70c439abc6a83e13c5430e7ef97ea99d65cf3f0c3cb77eef59eba779f5c949b",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-05-31T01:39:08Z",
    "title_canon_sha256": "418b2c145b67997a7cdd60424ff6db13abdf6d753e4cadcbf2f61e5c4adfcf7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14666",
    "kind": "arxiv",
    "version": 1
  }
}