Pith Number

pith:CZEENVZN

pith:2025:CZEENVZNLCTLM4IPV4TKWEOWWN

not attested not anchored not stored refs pending

Neural Kalman Filters for Acoustic Echo Cancellation

Ernst Seidel, Gerald Enzner, Pejman Mowlaee, Tim Fingscheidt

arxiv:2501.16367 v1 · 2025-01-22 · eess.AS · 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{CZEENVZNLCTLM4IPV4TKWEOWWN}

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	2026-07-05T10:06:11.928599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164846d72d58a6b6710faf26ab11d6b343ad7bf191a5977b8e7ebbdc4271c73d

Aliases

arxiv: 2501.16367 · arxiv_version: 2501.16367v1 · doi: 10.48550/arxiv.2501.16367 · pith_short_12: CZEENVZNLCTL · pith_short_16: CZEENVZNLCTLM4IP · pith_short_8: CZEENVZN

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/CZEENVZNLCTLM4IPV4TKWEOWWN \
  | 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: 164846d72d58a6b6710faf26ab11d6b343ad7bf191a5977b8e7ebbdc4271c73d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f05039b09d6a3581ec28e7197e4e96df7441495fa92dae661d60d34637a8768",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-01-22T16:55:50Z",
    "title_canon_sha256": "1bf1d5ad84c9145ab24922d78fb219d05f26064fb3af287dec16392d9703932f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16367",
    "kind": "arxiv",
    "version": 1
  }
}