Pith Number

pith:UVCPCECC

pith:2015:UVCPCECCVIPBQ6R3K7SRLUT3QO

not attested not anchored not stored refs pending

Online Monaural Speech Enhancement Based on Periodicity Analysis and A Priori SNR Estimation

Volker Hohmann, Zhangli Chen

arxiv:1503.07015 v2 · 2015-03-24 · 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{UVCPCECCVIPBQ6R3K7SRLUT3QO}

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	2026-05-18T01:37:10.974531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a544f11042aa1e187a3b57e515d27b8386d64eff9f5f05d372529c4e8ffd7299

Aliases

arxiv: 1503.07015 · arxiv_version: 1503.07015v2 · doi: 10.48550/arxiv.1503.07015 · pith_short_12: UVCPCECCVIPB · pith_short_16: UVCPCECCVIPBQ6R3 · pith_short_8: UVCPCECC

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/UVCPCECCVIPBQ6R3K7SRLUT3QO \
  | 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: a544f11042aa1e187a3b57e515d27b8386d64eff9f5f05d372529c4e8ffd7299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "027dae93ba98d2465c253f3414015f57b650b9bef89b59847d87bdc2b6f7882f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2015-03-24T12:40:13Z",
    "title_canon_sha256": "228d67c977e2c2589245d4122a8c0f1a1a298bb273fe51abfb14bed9c3b5b8d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07015",
    "kind": "arxiv",
    "version": 2
  }
}