Pith Number

pith:BINEG457

pith:2025:BINEG457FBNUWNHMN2JXGJLAUX

not attested not anchored not stored refs pending

Time-domain sound field estimation using kernel ridge regression

Jan {\O}stergaard, Jesper Brunnstr\"om, Marc Moonen, Martin Bo M{\o}ller, Shoichi Koyama, Toon van Waterschoot

arxiv:2509.05720 v1 · 2025-09-06 · eess.AS · cs.SD · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BINEG457FBNUWNHMN2JXGJLAUX}

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	2026-07-05T12:06:22.875640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a1a4373bf285b4b34ec6e93732560a5fca2f966644e3aea6f62879b0868686e

Aliases

arxiv: 2509.05720 · arxiv_version: 2509.05720v1 · doi: 10.48550/arxiv.2509.05720 · pith_short_12: BINEG457FBNU · pith_short_16: BINEG457FBNUWNHM · pith_short_8: BINEG457

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/BINEG457FBNUWNHMN2JXGJLAUX \
  | 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: 0a1a4373bf285b4b34ec6e93732560a5fca2f966644e3aea6f62879b0868686e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c480d2657ea6d1c94058c0509b902616468037ab24ccd8136f0aa6fc0541871",
    "cross_cats_sorted": [
      "cs.SD",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-09-06T13:56:10Z",
    "title_canon_sha256": "3b2efa1e57f26119f405ba32a8bbb219af7749a1b75755c2f7040380f389c4e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05720",
    "kind": "arxiv",
    "version": 1
  }
}