Pith Number

pith:7H4CKENU

pith:2021:7H4CKENUAZYDNOPK2M3M3GFZBP

not attested not anchored not stored refs pending

Enhancing into the codec: Noise Robust Speech Coding with Vector-Quantized Autoencoders

Arvindh Krishnaswamy, Jean-Marc Valin, Jonah Casebeer, Ritwik Giri, Umut Isik, Vinjai Vale

arxiv:2102.06610 v1 · 2021-02-12 · eess.AS · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7H4CKENUAZYDNOPK2M3M3GFZBP}

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	2026-07-05T02:14:49.810743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9f82511b4067036b9ead336cd98b90befa7376383f00baf8e2366a8aa09db02

Aliases

arxiv: 2102.06610 · arxiv_version: 2102.06610v1 · doi: 10.48550/arxiv.2102.06610 · pith_short_12: 7H4CKENUAZYD · pith_short_16: 7H4CKENUAZYDNOPK · pith_short_8: 7H4CKENU

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/7H4CKENUAZYDNOPK2M3M3GFZBP \
  | 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: f9f82511b4067036b9ead336cd98b90befa7376383f00baf8e2366a8aa09db02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51334d33050668bc1d10dcb1beb61c493b14623857959a85527290ed0e6fc8d9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-02-12T16:42:19Z",
    "title_canon_sha256": "0fc5e206f95e07c9b378d41430faaba5e3c3d286572ba13ebee17bdc9a4136dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06610",
    "kind": "arxiv",
    "version": 1
  }
}