Pith Number

pith:5IMZB2ZP

pith:2021:5IMZB2ZPAIFEUCLSM7PMPDJCE3

not attested not anchored not stored refs pending

Deep Residual Echo Suppression and Noise Reduction: A Multi-Input FCRN Approach in a Hybrid Speech Enhancement System

Jan Franzen, Tim Fingscheidt

arxiv:2108.03051 v2 · 2021-08-06 · 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{5IMZB2ZPAIFEUCLSM7PMPDJCE3}

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	2026-07-05T04:07:39.653208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea1990eb2f020a4a097267dec78d2226f1e642d10c83c6bf700c04cb8baec01a

Aliases

arxiv: 2108.03051 · arxiv_version: 2108.03051v2 · doi: 10.48550/arxiv.2108.03051 · pith_short_12: 5IMZB2ZPAIFE · pith_short_16: 5IMZB2ZPAIFEUCLS · pith_short_8: 5IMZB2ZP

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/5IMZB2ZPAIFEUCLSM7PMPDJCE3 \
  | 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: ea1990eb2f020a4a097267dec78d2226f1e642d10c83c6bf700c04cb8baec01a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca0856396b9b24f6096513e09cfc06ab26155cbeca95e72891d1cf80acc49eb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-08-06T11:00:54Z",
    "title_canon_sha256": "30829e81f5824e00ca0005c49eb0aea1d5e6fee3a0634152de721fa0814ab7d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03051",
    "kind": "arxiv",
    "version": 2
  }
}