Pith Number

pith:7ZWCGY3W

pith:2023:7ZWCGY3W2SENYCPSYB36RNKN4E

not attested not anchored not stored refs pending

Spatial Active Noise Control Method Based On Sound Field Interpolation From Reference Microphone Signals

Hiroshi Saruwatari, Kazuyuki Arikawa, Shoichi Koyama

arxiv:2303.16021 v1 · 2023-03-28 · 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{7ZWCGY3W2SENYCPSYB36RNKN4E}

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	2026-07-05T05:55:30.865359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6c236376d488dc09f2c077e8b54de11d9eaef71a558c890c93a1a3244f313e

Aliases

arxiv: 2303.16021 · arxiv_version: 2303.16021v1 · doi: 10.48550/arxiv.2303.16021 · pith_short_12: 7ZWCGY3W2SEN · pith_short_16: 7ZWCGY3W2SENYCPS · pith_short_8: 7ZWCGY3W

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/7ZWCGY3W2SENYCPSYB36RNKN4E \
  | 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: fe6c236376d488dc09f2c077e8b54de11d9eaef71a558c890c93a1a3244f313e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37165be8e85f0d3e3ede46b68cb86d35c1f0bb5feee62a45e6a1df68215a2d2f",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2023-03-28T14:50:48Z",
    "title_canon_sha256": "5d4bc0b46521b43a7b4f7ddba53b39e7f3c78ed06998de8d46d5b6fa23e271e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.16021",
    "kind": "arxiv",
    "version": 1
  }
}