Pith Number

pith:DVUH6OWE

pith:2020:DVUH6OWERPIRUBIOADK55FHAX2

not attested not anchored not stored refs pending

An Iterative Graph Spectral Subtraction Method for Speech Enhancement

Haiyan Guo, Tingting Wang, Xue Yan, Zhen Yang

arxiv:2006.08497 v1 · 2020-06-15 · eess.AS · 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{DVUH6OWERPIRUBIOADK55FHAX2}

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	2026-07-05T01:18:19.841248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d687f3ac48bd11a050e00d5de94e0bea20539bc22699571dd4467b2c94af995

Aliases

arxiv: 2006.08497 · arxiv_version: 2006.08497v1 · doi: 10.48550/arxiv.2006.08497 · pith_short_12: DVUH6OWERPIR · pith_short_16: DVUH6OWERPIRUBIO · pith_short_8: DVUH6OWE

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/DVUH6OWERPIRUBIOADK55FHAX2 \
  | 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: 1d687f3ac48bd11a050e00d5de94e0bea20539bc22699571dd4467b2c94af995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55dc5df9fb979d34d3cd5aa4bca8ec42bb57bf45e5cf81f779f693994421f6ad",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2020-06-15T15:55:39Z",
    "title_canon_sha256": "c08b0a45ad00669a356e23a9c4077170e614d46c4990ca71017a89aa083c6fba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.08497",
    "kind": "arxiv",
    "version": 1
  }
}