Pith Number

pith:4P4JVQHG

pith:2018:4P4JVQHG6OILOI6EE27ZTMSCHQ

not attested not anchored not stored refs pending

A study on speech enhancement using exponent-only floating point quantized neural network (EOFP-QNN)

Szu-Wei Fu, Tei-Wei Kuo, Yi-Te Hsu, Yu-Chen Lin, Yu Tsao

arxiv:1808.06474 v4 · 2018-08-17 · eess.AS · cs.AI · 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{4P4JVQHG6OILOI6EE27ZTMSCHQ}

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	2026-05-18T00:01:52.975499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f89ac0e6f390b723c426bf99b2423c17daa0ac41db5585e1ed69254968c4bf

Aliases

arxiv: 1808.06474 · arxiv_version: 1808.06474v4 · doi: 10.48550/arxiv.1808.06474 · pith_short_12: 4P4JVQHG6OIL · pith_short_16: 4P4JVQHG6OILOI6E · pith_short_8: 4P4JVQHG

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/4P4JVQHG6OILOI6EE27ZTMSCHQ \
  | 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: e3f89ac0e6f390b723c426bf99b2423c17daa0ac41db5585e1ed69254968c4bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec2318b5f797c72115e9b83db60402c1e749bdd28ea49bc4d67cbe24c7ba703c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "cs.SD",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2018-08-17T11:44:34Z",
    "title_canon_sha256": "414c77ac01bfef4b1b9f121555a1f6ba2abb9f1bda841d800ca97d73d2c035bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06474",
    "kind": "arxiv",
    "version": 4
  }
}