Pith Number

pith:VWL4C5SJ

pith:2022:VWL4C5SJHPVMCLOI2QVT3VJVGL

not attested not anchored not stored refs pending

Spatial active noise control based on individual kernel interpolation of primary and secondary sound fields

Hiroshi Saruwatari, Kazuyuki Arikawa, Shoichi Koyama

arxiv:2202.04807 v1 · 2022-02-10 · 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{VWL4C5SJHPVMCLOI2QVT3VJVGL}

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	2026-07-05T03:55:54.273839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad97c176493beac12dc8d42b3dd53532d6f9fce0253ef1d721d9c59a069addfe

Aliases

arxiv: 2202.04807 · arxiv_version: 2202.04807v1 · doi: 10.48550/arxiv.2202.04807 · pith_short_12: VWL4C5SJHPVM · pith_short_16: VWL4C5SJHPVMCLOI · pith_short_8: VWL4C5SJ

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/VWL4C5SJHPVMCLOI2QVT3VJVGL \
  | 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: ad97c176493beac12dc8d42b3dd53532d6f9fce0253ef1d721d9c59a069addfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a65807ad0bd095596c6824e04308f83a11f20dcbee274783e2c1256e1f6c0466",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2022-02-10T02:54:17Z",
    "title_canon_sha256": "5bcf9d230c5abca69876d1820f767891c5dc72a9a95c165f338c46ed3e85e7c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04807",
    "kind": "arxiv",
    "version": 1
  }
}