Pith Number

pith:VEM2BCXV

pith:2026:VEM2BCXVQGPUPDLKFDFWQNA6ZX

not attested not anchored not stored refs pending

Ultra-Low-Bitrate Mel-Spectrogram-based Neural Speech Coding with Flow-Matching-based Refinement and Vocoding-driven Reconstruction

Hui-Peng Du, Xiao-Hang Jiang, Yang Ai, Yuan Tian, Zhen-Hua Ling

arxiv:2605.25669 v1 · 2026-05-25 · 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{VEM2BCXVQGPUPDLKFDFWQNA6ZX}

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	2026-05-26T02:04:49.244452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a919a08af5819f478d6a28cb68341ecdd77bd50bf5bc8c296eb0febc052f0d1b

Aliases

arxiv: 2605.25669 · arxiv_version: 2605.25669v1 · doi: 10.48550/arxiv.2605.25669 · pith_short_12: VEM2BCXVQGPU · pith_short_16: VEM2BCXVQGPUPDLK · pith_short_8: VEM2BCXV

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/VEM2BCXVQGPUPDLKFDFWQNA6ZX \
  | 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: a919a08af5819f478d6a28cb68341ecdd77bd50bf5bc8c296eb0febc052f0d1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fafd20539d25796b4c063369e72a7e52a50d0da43d0b1280c864fa857f026f09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2026-05-25T10:19:16Z",
    "title_canon_sha256": "b99a8504c41fe56f2595e0dc7afaeb23e671f6835e040fb888721079a902f898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25669",
    "kind": "arxiv",
    "version": 1
  }
}