Pith Number

pith:PNHQ7QG7

pith:2019:PNHQ7QG7KJAAS2NHWJYQPCEVO5

not attested not anchored not stored refs pending

Non-intrusive speech quality assessment using neural networks

Anderson R. Avila, Chandan Reddy, Hannes Gamper, Ivan Tashev, Johannes Gehrke, Ross Cutler

arxiv:1903.06908 v1 · 2019-03-16 · eess.AS · 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{PNHQ7QG7KJAAS2NHWJYQPCEVO5}

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	2026-05-17T23:51:08.647190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b4f0fc0df52400969a7b271078895777ad5914291bf8300a030cb185523cbab

Aliases

arxiv: 1903.06908 · arxiv_version: 1903.06908v1 · doi: 10.48550/arxiv.1903.06908 · pith_short_12: PNHQ7QG7KJAA · pith_short_16: PNHQ7QG7KJAAS2NH · pith_short_8: PNHQ7QG7

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/PNHQ7QG7KJAAS2NHWJYQPCEVO5 \
  | 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: 7b4f0fc0df52400969a7b271078895777ad5914291bf8300a030cb185523cbab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d9a034b65eecb8973ee438497b0fc1c49a810e6218b6d7beeba6bdf3c1fa9f1",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2019-03-16T11:10:43Z",
    "title_canon_sha256": "e5fd6893379e2a17ce4d25f9d64162465e86620eb31a8d280c4d11a9b3daf392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06908",
    "kind": "arxiv",
    "version": 1
  }
}