Pith Number

pith:MQI4E753

pith:2022:MQI4E7534TN2AM553KQGVRUYRL

not attested not anchored not stored refs pending

Physics-informed convolutional neural network with bicubic spline interpolation for sound field estimation

Hiroshi Saruwatari, Kazuhide Shigemi, Shoichi Koyama, Tomohiko Nakamura

arxiv:2207.10937 v1 · 2022-07-22 · 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{MQI4E7534TN2AM553KQGVRUYRL}

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	2026-07-05T04:42:41.680179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6411c27fbbe4dba033bddaa06ac6988ad0d5eff2278302c982dde1673d36ea68

Aliases

arxiv: 2207.10937 · arxiv_version: 2207.10937v1 · doi: 10.48550/arxiv.2207.10937 · pith_short_12: MQI4E7534TN2 · pith_short_16: MQI4E7534TN2AM55 · pith_short_8: MQI4E753

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/MQI4E7534TN2AM553KQGVRUYRL \
  | 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: 6411c27fbbe4dba033bddaa06ac6988ad0d5eff2278302c982dde1673d36ea68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc310deb0796179c4119c8005f14b1b977816f998b9a3a990869767f36d9a6b1",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2022-07-22T08:27:44Z",
    "title_canon_sha256": "67b0c9f838db1d931559eb8de4ec98118bfa6c9c01fa2ffc878b8bf5e4a336c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.10937",
    "kind": "arxiv",
    "version": 1
  }
}