Pith Number

pith:4YBWSGD7

pith:2024:4YBWSGD7MMINRFSABK4GERXEKV

not attested not anchored not stored refs pending

A lightweight and robust method for blind wideband-to-fullband extension of speech

Jan B\"uthe, Jean-Marc Valin

arxiv:2412.11392 v4 · 2024-12-16 · eess.AS · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YBWSGD7MMINRFSABK4GERXEKV}

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	2026-07-05T11:39:05.890252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e60369187f6310d896400ab86246e4556c9698e28d621a09e835926f1eee3a7c

Aliases

arxiv: 2412.11392 · arxiv_version: 2412.11392v4 · doi: 10.48550/arxiv.2412.11392 · pith_short_12: 4YBWSGD7MMIN · pith_short_16: 4YBWSGD7MMINRFSA · pith_short_8: 4YBWSGD7

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/4YBWSGD7MMINRFSABK4GERXEKV \
  | 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: e60369187f6310d896400ab86246e4556c9698e28d621a09e835926f1eee3a7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e468410d857cd4789bb3f4df0488e23029e4b04a37fd1b964b3b40ba3418e18a",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2024-12-16T02:38:32Z",
    "title_canon_sha256": "983f5b3efa502e6f27b3e8a5124d6fa96bf0cde0c262678ccdcd561d9579e516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.11392",
    "kind": "arxiv",
    "version": 4
  }
}