Pith Number

pith:AQPDFIPH

pith:2021:AQPDFIPHC2D4NQNTODGJ5VVVDQ

not attested not anchored not stored refs pending

speechocean762: An Open-Source Non-native English Speech Corpus For Pronunciation Assessment

Daniel Povey, Junbo Zhang, Ke Li, Qiong Song, Yongqing Wang, Yujun Wang, Yukai Huang, Zhiwen Zhang, Zhiyong Yan

arxiv:2104.01378 v2 · 2021-04-03 · cs.CL · 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{AQPDFIPHC2D4NQNTODGJ5VVVDQ}

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.

Cited by

1 paper in Pith

Light-weight Pronunciation Assessment via Discrete Speech Token Surprisal

Receipt and verification

First computed	2026-07-05T02:45:37.370678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

041e32a1e71687c6c1b370cc9ed6b51c1a4ecc3388f3ebac913c2cfc75d3928c

Aliases

arxiv: 2104.01378 · arxiv_version: 2104.01378v2 · doi: 10.48550/arxiv.2104.01378 · pith_short_12: AQPDFIPHC2D4 · pith_short_16: AQPDFIPHC2D4NQNT · pith_short_8: AQPDFIPH

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/AQPDFIPHC2D4NQNTODGJ5VVVDQ \
  | 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: 041e32a1e71687c6c1b370cc9ed6b51c1a4ecc3388f3ebac913c2cfc75d3928c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58a96e55defd0285461e6f5093199bc148c467ffbc1f4da00b6be5bda36c650c",
    "cross_cats_sorted": [
      "cs.SD",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-03T11:31:59Z",
    "title_canon_sha256": "79d18c80a7109ff8ef8cbd25db963d2d9c034a1078c8b079382dc9c501d17eb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01378",
    "kind": "arxiv",
    "version": 2
  }
}