Pith Number

pith:453PBLEH

pith:2025:453PBLEHDD3Z4H6SLEWBO277RC

not attested not anchored not stored refs pending

STFTCodec: High-Fidelity Audio Compression through Time-Frequency Domain Representation

Tao Feng, Xiangyang Luo, Xun Guan, Yifan Xie, Yu Li, Yuqi Ye, Zhiyuan Zhao

arxiv:2503.16989 v1 · 2025-03-21 · 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{453PBLEHDD3Z4H6SLEWBO277RC}

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	2026-07-05T10:36:54.857127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e776f0ac8718f79e1fd2592c176bff88882016ba3079e0f601707eb1e27c6e53

Aliases

arxiv: 2503.16989 · arxiv_version: 2503.16989v1 · doi: 10.48550/arxiv.2503.16989 · pith_short_12: 453PBLEHDD3Z · pith_short_16: 453PBLEHDD3Z4H6S · pith_short_8: 453PBLEH

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/453PBLEHDD3Z4H6SLEWBO277RC \
  | 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: e776f0ac8718f79e1fd2592c176bff88882016ba3079e0f601707eb1e27c6e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e16d72538e9ea039947a5630e8901815827c12d38d4c6646afb6b99b427dc227",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2025-03-21T09:55:31Z",
    "title_canon_sha256": "179ecede591bae43748a3f5596d86710663ba2c060a98c5607798ec1883e5afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.16989",
    "kind": "arxiv",
    "version": 1
  }
}