Pith Number

pith:3YSYBYAT

pith:2019:3YSYBYATWC7VYXIPNBWPMAM7EE

not attested not anchored not stored refs pending

hf0: A hybrid pitch extraction method for multimodal voice

Gurunath Reddy M, Krothapalli Sreenivasa Rao, Pradeep Rengaswamy

arxiv:1904.09765 v1 · 2019-04-22 · cs.SD · cs.LG · eess.AS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YSYBYATWC7VYXIPNBWPMAM7EE}

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	2026-05-17T23:48:03.408401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2580e013b0bf5c5d0f686cf6019f212e4fd4d794fcea3d526cafa947b2618d

Aliases

arxiv: 1904.09765 · arxiv_version: 1904.09765v1 · doi: 10.48550/arxiv.1904.09765 · pith_short_12: 3YSYBYATWC7V · pith_short_16: 3YSYBYATWC7VYXIP · pith_short_8: 3YSYBYAT

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/3YSYBYATWC7VYXIPNBWPMAM7EE \
  | 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: de2580e013b0bf5c5d0f686cf6019f212e4fd4d794fcea3d526cafa947b2618d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d89317deae372423b80c2b022912efb7299a2394b6fb929e441ad94f48930325",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.AS",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2019-04-22T08:08:12Z",
    "title_canon_sha256": "092d52b825d74082da2a15dc0a43fd84b52536225fb8ee2a5bff68bba6799a83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09765",
    "kind": "arxiv",
    "version": 1
  }
}