Pith Number

pith:H44UDDCK

pith:2026:H44UDDCKQBVKG2C5LRPPAZ64XL

not attested not anchored not stored refs pending

An Ultra-Low-Bitrate Neural Speech Codec with Plain-to-Pseudo Synergistic Vector Quantization

Fei Liu, Jian-Qing Gao, Ji Wu, Rui-Chen Zheng, Xiao-Hang Jiang, Yang Ai, Zhen-Hua Ling

arxiv:2606.05876 v1 · 2026-06-04 · 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{H44UDDCKQBVKG2C5LRPPAZ64XL}

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	2026-06-05T01:15:06.566288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f39418c4a806aa3685d5c5ef067dcbaf8cae5ca3c1de35ea139808ee36f7e91

Aliases

arxiv: 2606.05876 · arxiv_version: 2606.05876v1 · doi: 10.48550/arxiv.2606.05876 · pith_short_12: H44UDDCKQBVK · pith_short_16: H44UDDCKQBVKG2C5 · pith_short_8: H44UDDCK

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/H44UDDCKQBVKG2C5LRPPAZ64XL \
  | 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: 3f39418c4a806aa3685d5c5ef067dcbaf8cae5ca3c1de35ea139808ee36f7e91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "514abd1618c6753f0eabb91d1ded521ae6277f0c9dff10e0b8808c4579923da6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2026-06-04T08:50:23Z",
    "title_canon_sha256": "cb52d510811c2843169c4e32bf7cdd2daf3d8c02fe70ee412f0ade82a549bb67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05876",
    "kind": "arxiv",
    "version": 1
  }
}