Pith Number

pith:4V4SLYK3

pith:2015:4V4SLYK3AMIGD2UIMWVKZ5QT2Z

not attested not anchored not stored refs pending

Spectral Study of the Vocal Tract in Vowel Synthesis: A Comparison between 1D and 3D Acoustic Analysis

Antti Hannukainen, Daniel Aalto, Jarmo Malinen, Negar M. Harandi, Sidney Fels

arxiv:1512.05811 v1 · 2015-12-17 · 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{4V4SLYK3AMIGD2UIMWVKZ5QT2Z}

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	2026-05-18T01:24:06.209119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e57925e15b031061ea8865aaacf613d64d4eefd98c3113ad198a7ec66290bfb5

Aliases

arxiv: 1512.05811 · arxiv_version: 1512.05811v1 · doi: 10.48550/arxiv.1512.05811 · pith_short_12: 4V4SLYK3AMIG · pith_short_16: 4V4SLYK3AMIGD2UI · pith_short_8: 4V4SLYK3

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/4V4SLYK3AMIGD2UIMWVKZ5QT2Z \
  | 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: e57925e15b031061ea8865aaacf613d64d4eefd98c3113ad198a7ec66290bfb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e68903b15ef46ba4c47e974e01225f954d03addceddff724b441783a58aef1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2015-12-17T22:06:51Z",
    "title_canon_sha256": "6cd4560b41ca56a8ba43457ab60e27f0994ee5d1e5f17d10afe90123c93f6d42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05811",
    "kind": "arxiv",
    "version": 1
  }
}