Pith Number

pith:VPETYAQV

pith:2020:VPETYAQVD7TLSMH34KQ4QY5SPQ

not attested not anchored not stored refs pending

Surfboard: Audio Feature Extraction for Modern Machine Learning

Abhishek Shivkumar, Emil Fristed, Jack Weston, Raphael Lenain

arxiv:2005.08848 v1 · 2020-05-18 · cs.SD · cs.LG · eess.AS

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPETYAQVD7TLSMH34KQ4QY5SPQ}

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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.

Cited by

1 paper in Pith

Comparative Evaluation of Acoustic Feature Extraction Tools for Clinical Speech Analysis

Receipt and verification

First computed	2026-07-05T01:03:35.998245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abc93c02151fe6b930fbe2a1c863b27c03c34863c61f764ee56009e15c5f034a

Aliases

arxiv: 2005.08848 · arxiv_version: 2005.08848v1 · doi: 10.48550/arxiv.2005.08848 · pith_short_12: VPETYAQVD7TL · pith_short_16: VPETYAQVD7TLSMH3 · pith_short_8: VPETYAQV

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/VPETYAQVD7TLSMH34KQ4QY5SPQ \
  | 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: abc93c02151fe6b930fbe2a1c863b27c03c34863c61f764ee56009e15c5f034a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2043e26931a877a6584ba79b7730c5c609eda60b9505005d4e1e97d85b1d65dd",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2020-05-18T16:20:20Z",
    "title_canon_sha256": "48b70f9228ba24053017fe07879b84fa94abfb6560873ba7fe7773d4dc062020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.08848",
    "kind": "arxiv",
    "version": 1
  }
}