Pith Number

pith:IL7KOYRD

pith:2017:IL7KOYRDQ6LJF3KOSJQHOKYQQM

not attested not anchored not stored refs pending

Pronunciation recognition of English phonemes /\textipa{@}/, /{\ae}/, /\textipa{A}:/ and /\textipa{2}/ using Formants and Mel Frequency Cepstral Coefficients

Keith Y. Patarroyo, Vladimir Vargas-Calder\'on

arxiv:1702.07071 v1 · 2017-02-23 · cs.CL · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IL7KOYRDQ6LJF3KOSJQHOKYQQM}

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	2026-05-18T00:50:08.443635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fea76223879692ed4e9260772b10830f8f7d42822701ed4cb826cf1fd25c9d

Aliases

arxiv: 1702.07071 · arxiv_version: 1702.07071v1 · doi: 10.48550/arxiv.1702.07071 · pith_short_12: IL7KOYRDQ6LJ · pith_short_16: IL7KOYRDQ6LJF3KO · pith_short_8: IL7KOYRD

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/IL7KOYRDQ6LJF3KOSJQHOKYQQM \
  | 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: 42fea76223879692ed4e9260772b10830f8f7d42822701ed4cb826cf1fd25c9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "775c1cfa5514717df014d9010719abc7f8ad7b112a77d0713e4539d5140c45e0",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-02-23T02:31:03Z",
    "title_canon_sha256": "fc44ff20f4fc874602cfa07a004fa70291015c6a1e38886a0203d2dbaf307b1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07071",
    "kind": "arxiv",
    "version": 1
  }
}