Pith Number

pith:OVWDW3JM

pith:2021:OVWDW3JM7WDT4WFJXQSBPXK3KU

not attested not anchored not stored refs pending

WARP-Q: Quality Prediction For Generative Neural Speech Codecs

Andrew Hines, Jan Skoglund, Michael Chinen, Wissam A. Jassim

arxiv:2102.10449 v1 · 2021-02-20 · eess.AS · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVWDW3JM7WDT4WFJXQSBPXK3KU}

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	2026-07-05T02:16:58.008469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

756c3b6d2cfd873e58a9bc2417dd5b553453bcb0ea8c14d8789a7d2d6a0e08e4

Aliases

arxiv: 2102.10449 · arxiv_version: 2102.10449v1 · doi: 10.48550/arxiv.2102.10449 · pith_short_12: OVWDW3JM7WDT · pith_short_16: OVWDW3JM7WDT4WFJ · pith_short_8: OVWDW3JM

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/OVWDW3JM7WDT4WFJXQSBPXK3KU \
  | 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: 756c3b6d2cfd873e58a9bc2417dd5b553453bcb0ea8c14d8789a7d2d6a0e08e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c30f5e2d9f7ac8563544ad1a70b5f0527203864a9f5209126628d8bca93980de",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-02-20T21:25:05Z",
    "title_canon_sha256": "50ebcb248ca8656ecf246bc7b72c827c1d92564014eb9b0e8b2be255efb9dff9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10449",
    "kind": "arxiv",
    "version": 1
  }
}