Pith Number

pith:FFQBU4H3

pith:2019:FFQBU4H3JYDFHHA6FDA2MRUE7Y

not attested not anchored not stored refs pending

RHR-Net: A Residual Hourglass Recurrent Neural Network for Speech Enhancement

Ivan Marsic, Jalal Abdulbaqi, Yue Gu

arxiv:1904.07294 v1 · 2019-04-15 · eess.AS · cs.LG · cs.SD · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFQBU4H3JYDFHHA6FDA2MRUE7Y}

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	2026-05-17T23:48:29.045156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29601a70fb4e06539c1e28c1a64684fe0a7eada9dfca7dbe2119eb0929a90ca8

Aliases

arxiv: 1904.07294 · arxiv_version: 1904.07294v1 · doi: 10.48550/arxiv.1904.07294 · pith_short_12: FFQBU4H3JYDF · pith_short_16: FFQBU4H3JYDFHHA6 · pith_short_8: FFQBU4H3

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/FFQBU4H3JYDFHHA6FDA2MRUE7Y \
  | 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: 29601a70fb4e06539c1e28c1a64684fe0a7eada9dfca7dbe2119eb0929a90ca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52ca51b9752813a7a26dc39252f8f267e2cb30cf25ae01fb960226925eee1ba9",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2019-04-15T19:17:28Z",
    "title_canon_sha256": "e038ba0d08d13d967a7ba14b9321e5f58f0c32f78a25fd6ad1b1d7eb10118316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07294",
    "kind": "arxiv",
    "version": 1
  }
}