Pith Number

pith:BECSPP7T

pith:2019:BECSPP7TJD444HPYKZT7XHKA4U

not attested not anchored not stored refs pending

A Comparative Study of Pitch Extraction Algorithms on a Large Variety of Singing Sounds

Nathalie Henrich, Nicolas d'Alessandro, Onur Babacan, Thierry Dutoit, Thomas Drugman

arxiv:1912.12609 v1 · 2019-12-29 · 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{BECSPP7TJD444HPYKZT7XHKA4U}

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	2026-07-05T00:29:01.653481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

090527bff348f9ce1df85667fb9d40e520bafdbdf5d46c96ee4b42fc3376545b

Aliases

arxiv: 1912.12609 · arxiv_version: 1912.12609v1 · doi: 10.48550/arxiv.1912.12609 · pith_short_12: BECSPP7TJD44 · pith_short_16: BECSPP7TJD444HPY · pith_short_8: BECSPP7T

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/BECSPP7TJD444HPYKZT7XHKA4U \
  | 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: 090527bff348f9ce1df85667fb9d40e520bafdbdf5d46c96ee4b42fc3376545b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e338cdc3e99733f525440f1f65ca86a65e1cb1711ad221b60760c0226d21542b",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2019-12-29T08:45:08Z",
    "title_canon_sha256": "9331cef52be78377cbe71cf0eddacee892f887990ae021ba434d55b8b71187b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12609",
    "kind": "arxiv",
    "version": 1
  }
}