Pith Number

pith:MU47Y7D7

pith:2023:MU47Y7D7XJ5GBPNTDLPRVWL5B6

not attested not anchored not stored refs pending

Meta-AF Echo Cancellation for Improved Keyword Spotting

Jonah Casebeer, Junkai Wu, Paris Smaragdis

arxiv:2312.10605 v1 · 2023-12-17 · 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{MU47Y7D7XJ5GBPNTDLPRVWL5B6}

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	2026-07-05T07:25:09.359608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6539fc7c7fba7a60bdb31adf1ad97d0fb707137a93f6bec80901d1b37b7c5637

Aliases

arxiv: 2312.10605 · arxiv_version: 2312.10605v1 · doi: 10.48550/arxiv.2312.10605 · pith_short_12: MU47Y7D7XJ5G · pith_short_16: MU47Y7D7XJ5GBPNT · pith_short_8: MU47Y7D7

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/MU47Y7D7XJ5GBPNTDLPRVWL5B6 \
  | 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: 6539fc7c7fba7a60bdb31adf1ad97d0fb707137a93f6bec80901d1b37b7c5637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d2e9686dc25863898a40551744d9ef0e8e6ff77eb52deb67e0c019f6071828d",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2023-12-17T04:45:31Z",
    "title_canon_sha256": "5f124be95c293fe0a865cdeb201149056942fd415518c1484c248a8db2e72a70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.10605",
    "kind": "arxiv",
    "version": 1
  }
}