Pith Number

pith:Y4TI6MRL

pith:2026:Y4TI6MRL7KM53PK7T7LS5WU6AM

not attested not anchored not stored refs pending

CFMDCTCodec: A Low-Bitrate Neural Speech Codec with Noise-Prior-aware Conditional Flow Matching for MDCT-Spectral Enhancement

Hui-Peng Du, Ji Wu, Xiao-Hang Jiang, Yang Ai, Zhen-Hua Ling

arxiv:2605.26812 v1 · 2026-05-26 · 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{Y4TI6MRL7KM53PK7T7LS5WU6AM}

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	2026-05-27T01:06:13.941641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7268f322bfa99ddbd5f9fd72eda9e032fa4e2eaac7039132a6a1599f3537d4b

Aliases

arxiv: 2605.26812 · arxiv_version: 2605.26812v1 · doi: 10.48550/arxiv.2605.26812 · pith_short_12: Y4TI6MRL7KM5 · pith_short_16: Y4TI6MRL7KM53PK7 · pith_short_8: Y4TI6MRL

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/Y4TI6MRL7KM53PK7T7LS5WU6AM \
  | 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: c7268f322bfa99ddbd5f9fd72eda9e032fa4e2eaac7039132a6a1599f3537d4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f8a39f73c53ade1ede3f309b4d89c89b1d6f42726bb1b48b3c959331cd451c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2026-05-26T10:30:03Z",
    "title_canon_sha256": "10e5055677391bb26877774a684837219e5991d43a16e068965173486eb5ef2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26812",
    "kind": "arxiv",
    "version": 1
  }
}