Pith Number

pith:LAOQVTEG

pith:2017:LAOQVTEG2UQU5ZO2N3CPWP6NAT

not attested not anchored not stored refs pending

Nonnegative HMM for Babble Noise Derived from Speech HMM: Application to Speech Enhancement

Arne Leijon, Nasser Mohammadiha

arxiv:1709.05559 v1 · 2017-09-16 · 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{LAOQVTEG2UQU5ZO2N3CPWP6NAT}

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	2026-05-18T00:35:00.302246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

581d0acc86d5214ee5da6ec4fb3fcd04c3f9c6528587a1d0817cd61912d4a20d

Aliases

arxiv: 1709.05559 · arxiv_version: 1709.05559v1 · doi: 10.48550/arxiv.1709.05559 · pith_short_12: LAOQVTEG2UQU · pith_short_16: LAOQVTEG2UQU5ZO2 · pith_short_8: LAOQVTEG

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/LAOQVTEG2UQU5ZO2N3CPWP6NAT \
  | 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: 581d0acc86d5214ee5da6ec4fb3fcd04c3f9c6528587a1d0817cd61912d4a20d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f43c3d0b3fda36101428946cb4e87422dc5fe66dd0ab4a512c6fd1cf3ef68e8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2017-09-16T19:56:05Z",
    "title_canon_sha256": "7b90c43dd3045128d229d41dafd4b9c32af1a7526133599273b49dd2d71c834f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05559",
    "kind": "arxiv",
    "version": 1
  }
}