Pith Number

pith:V43UYKEY

pith:2021:V43UYKEYJR5A5EZEKUCMDFCNWC

not attested not anchored not stored refs pending

U2++: Unified Two-pass Bidirectional End-to-end Model for Speech Recognition

Binbin Zhang, Chao Yang, Di Wu, Wenjing Xia, Xiaoyu Chen, Xin Lei, Zhendong Peng

arxiv:2106.05642 v3 · 2021-06-10 · cs.SD · cs.CL · 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{V43UYKEYJR5A5EZEKUCMDFCNWC}

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

IQRA 2026: Interspeech Challenge on Automatic Pronunciation Assessment for Modern Standard Arabic (MSA)

Receipt and verification

First computed	2026-07-05T03:44:29.671179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af374c28984c7a0e93245504c1944db0ac2ff7878473a84adec4f742ada3400f

Aliases

arxiv: 2106.05642 · arxiv_version: 2106.05642v3 · doi: 10.48550/arxiv.2106.05642 · pith_short_12: V43UYKEYJR5A · pith_short_16: V43UYKEYJR5A5EZE · pith_short_8: V43UYKEY

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/V43UYKEYJR5A5EZEKUCMDFCNWC \
  | 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: af374c28984c7a0e93245504c1944db0ac2ff7878473a84adec4f742ada3400f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48228e1e7367d07d87d790cb448c907aa858a81317e2bdee3cd37d0ffe7498a6",
    "cross_cats_sorted": [
      "cs.CL",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-06-10T10:25:15Z",
    "title_canon_sha256": "57c41c25201b0b790849f8094fc9ac975d33e513faa661d7f1f1b599a7821bb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05642",
    "kind": "arxiv",
    "version": 3
  }
}