Pith Number

pith:IXQTB2VL

pith:2018:IXQTB2VL3KYNMCB5FOIIOLYJ3S

not attested not anchored not stored refs pending

Speech Enhancement Based on Non-stationary Noise-driven Geometric Spectral Subtraction and Phase Spectrum Compensation

Ahmed Bin Hussain, Celia Shahnaz, K.T. Shahid, Md Tauhidul Islam, Udoy Saha

arxiv:1803.02870 v1 · 2018-03-03 · 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{IXQTB2VL3KYNMCB5FOIIOLYJ3S}

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	2026-05-18T00:21:45.233117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45e130eaabdab0d6083d2b90872f09dc82ea2dd70ebf40b34ae31ee7d5b089a7

Aliases

arxiv: 1803.02870 · arxiv_version: 1803.02870v1 · doi: 10.48550/arxiv.1803.02870 · pith_short_12: IXQTB2VL3KYN · pith_short_16: IXQTB2VL3KYNMCB5 · pith_short_8: IXQTB2VL

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/IXQTB2VL3KYNMCB5FOIIOLYJ3S \
  | 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: 45e130eaabdab0d6083d2b90872f09dc82ea2dd70ebf40b34ae31ee7d5b089a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95ce994d3b1489b2102922c70981eab07f1fa3ca8d5d0d5d3b67d86961e3bb87",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2018-03-03T05:57:11Z",
    "title_canon_sha256": "fd61ef826f5197a2095109df36b9bf9294871c6b98a5004302badf78d25f3042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02870",
    "kind": "arxiv",
    "version": 1
  }
}