Pith Number

pith:N5GNXI72

pith:2021:N5GNXI72VISRFXQB4NLWS2Y6EY

not attested not anchored not stored refs pending

Objective Measures of Perceptual Audio Quality Reviewed: An Evaluation of Their Application Domain Dependence

J\"urgen Herre, Matteo Torcoli, Thorsten Kastner

arxiv:2110.11438 v1 · 2021-10-21 · 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{N5GNXI72VISRFXQB4NLWS2Y6EY}

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	2026-07-05T03:24:47.076808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f4cdba3faaa2512de01e357696b1e262e3689afe2631498588400759bc545f3

Aliases

arxiv: 2110.11438 · arxiv_version: 2110.11438v1 · doi: 10.48550/arxiv.2110.11438 · pith_short_12: N5GNXI72VISR · pith_short_16: N5GNXI72VISRFXQB · pith_short_8: N5GNXI72

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/N5GNXI72VISRFXQB4NLWS2Y6EY \
  | 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: 6f4cdba3faaa2512de01e357696b1e262e3689afe2631498588400759bc545f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fab98ff3aa0ffd70b8ec1b7311af6f3bcbe966e6baf6df4eba75ef9cc3eef7ca",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-10-21T19:15:36Z",
    "title_canon_sha256": "d4066426adc75997d86aebf74f5ae0c36e07ec07fd3554444b479a6c6034e174"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11438",
    "kind": "arxiv",
    "version": 1
  }
}