Pith Number

pith:VAN4FNGA

pith:2022:VAN4FNGAJNAEKW62O7G5QBVP52

not attested not anchored not stored refs pending

ConferencingSpeech 2022 Challenge: Non-intrusive Objective Speech Quality Assessment (NISQA) Challenge for Online Conferencing Applications

Babak Naderi, Donald S. Williamson, Fei Chen, Fuzheng Yang, Gabriel Mittag, Gaoxiong Yi, Ross Cutler, Sebastian M\"oller, ShiDong Shang, Wafaa Wardah, Wei Xiao, Yiming Xiao, Zhuohuang Zhang

arxiv:2203.16032 v2 · 2022-03-30 · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VAN4FNGAJNAEKW62O7G5QBVP52}

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	2026-07-05T04:10:41.020798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a81bc2b4c04b40455bda77cdd806afee9207ed562e0b4170d163d8c6861973ac

Aliases

arxiv: 2203.16032 · arxiv_version: 2203.16032v2 · doi: 10.48550/arxiv.2203.16032 · pith_short_12: VAN4FNGAJNAE · pith_short_16: VAN4FNGAJNAEKW62 · pith_short_8: VAN4FNGA

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/VAN4FNGAJNAEKW62O7G5QBVP52 \
  | 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: a81bc2b4c04b40455bda77cdd806afee9207ed562e0b4170d163d8c6861973ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb9908bc370e071176c46e9c95f281d6641554b49feb4fb4fa737335aea293b9",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2022-03-30T03:32:25Z",
    "title_canon_sha256": "c76007dfb409efa38768f7628e17512142349a961631280108739f49bc5ab552"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16032",
    "kind": "arxiv",
    "version": 2
  }
}