Pith Number

pith:LGHOFHNH

pith:2022:LGHOFHNHONESMILSQCJBDYDBH7

not attested not anchored not stored refs pending

A Fast and Accurate Pitch Estimation Algorithm Based on the Pseudo Wigner-Ville Distribution

Alan W Black, Gopala K. Anumanchipalli, Peter Wu, Yisi Liu

arxiv:2210.15272 v1 · 2022-10-27 · 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{LGHOFHNHONESMILSQCJBDYDBH7}

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	2026-07-05T05:11:04.482291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

598ee29da77349262172809211e0613ff129e2dca38fdcdd6df766636f192b36

Aliases

arxiv: 2210.15272 · arxiv_version: 2210.15272v1 · doi: 10.48550/arxiv.2210.15272 · pith_short_12: LGHOFHNHONES · pith_short_16: LGHOFHNHONESMILS · pith_short_8: LGHOFHNH

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/LGHOFHNHONESMILSQCJBDYDBH7 \
  | 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: 598ee29da77349262172809211e0613ff129e2dca38fdcdd6df766636f192b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7139c1e0668764a94728b08c13da04292a6147bdffc2b413f00b73c4fc182714",
    "cross_cats_sorted": [
      "cs.SD",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2022-10-27T09:05:04Z",
    "title_canon_sha256": "190c5c5dccb52595d7092269d48dc3386b4b0a2c951c6bd35da9e11cc5772943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.15272",
    "kind": "arxiv",
    "version": 1
  }
}