Pith Number

pith:4M5JSLOF

pith:2018:4M5JSLOFRGGTDQJP7ELLX3ZIFG

not attested not anchored not stored refs pending

Monaural source enhancement maximizing source-to-distortion ratio via automatic differentiation

Hiroaki Nakajima, Kazunobu Kondo, Yuji Hisaminato, Yu Takahashi

arxiv:1806.05791 v1 · 2018-06-15 · cs.SD · cs.LG · eess.AS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4M5JSLOFRGGTDQJP7ELLX3ZIFG}

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	2026-05-18T00:13:09.451268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e33a992dc5898d31c12ff916bbef2829bcf3196f69e37cda8d52e992c425a9bb

Aliases

arxiv: 1806.05791 · arxiv_version: 1806.05791v1 · doi: 10.48550/arxiv.1806.05791 · pith_short_12: 4M5JSLOFRGGT · pith_short_16: 4M5JSLOFRGGTDQJP · pith_short_8: 4M5JSLOF

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/4M5JSLOFRGGTDQJP7ELLX3ZIFG \
  | 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: e33a992dc5898d31c12ff916bbef2829bcf3196f69e37cda8d52e992c425a9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e964209c57439ba40032266d37f394bbbba0da1427a3392f897893026dd50db",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.AS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2018-06-15T02:38:40Z",
    "title_canon_sha256": "9ab20eae097a89985e412808aa96a6c7119d9f481a5325e1a5dd9b393bd0c479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05791",
    "kind": "arxiv",
    "version": 1
  }
}