Pith Number

pith:WISX6TN2

pith:2017:WISX6TN2NBDX3D35K7FUG5RLSO

not attested not anchored not stored refs pending

A Variational EM Method for Pole-Zero Modeling of Speech with Mixed Block Sparse and Gaussian Excitation

Jesper Kj{\ae}r Nielsen, Jesper Rindom Jensen, Liming Shi, Mads Gr{\ae}sb{\o}ll Christensen

arxiv:1706.07927 v1 · 2017-06-24 · cs.SD · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WISX6TN2NBDX3D35K7FUG5RLSO}

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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.

Receipt and verification

First computed	2026-05-18T00:41:47.096225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2257f4dba68477d8f7d57cb43762b93a7b297aecbda1b1dc0c28419e2ad6be3

Aliases

arxiv: 1706.07927 · arxiv_version: 1706.07927v1 · doi: 10.48550/arxiv.1706.07927 · pith_short_12: WISX6TN2NBDX · pith_short_16: WISX6TN2NBDX3D35 · pith_short_8: WISX6TN2

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/WISX6TN2NBDX3D35K7FUG5RLSO \
  | 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: b2257f4dba68477d8f7d57cb43762b93a7b297aecbda1b1dc0c28419e2ad6be3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d892e907d76498a6fea2c3c467b9e2ba52a4e7e2fbda7f36ebbc670700819ed7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2017-06-24T08:50:20Z",
    "title_canon_sha256": "d77336c47d473416b1e7b1bcec6ad0f52b2a877000070672986490cab8a0322d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07927",
    "kind": "arxiv",
    "version": 1
  }
}