Pith Number

pith:YKKS3O4H

pith:2020:YKKS3O4HTPZCFCFBMA4QNJLZPY

not attested not anchored not stored refs pending

Spectral-change enhancement with prior SNR for the hearing impaired

Dingsheng Luo, Henry Luo, Jing Chen, Jinyu Qian, Xiang Li, Xihong Wu, Xin Tian

arxiv:2008.02519 v1 · 2020-08-06 · 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{YKKS3O4HTPZCFCFBMA4QNJLZPY}

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	2026-07-05T01:25:14.563859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2952dbb879bf22288a1603906a5797e08158b7d9646c0d0f07f68bdc7cb46e2

Aliases

arxiv: 2008.02519 · arxiv_version: 2008.02519v1 · doi: 10.48550/arxiv.2008.02519 · pith_short_12: YKKS3O4HTPZC · pith_short_16: YKKS3O4HTPZCFCFB · pith_short_8: YKKS3O4H

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/YKKS3O4HTPZCFCFBMA4QNJLZPY \
  | 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: c2952dbb879bf22288a1603906a5797e08158b7d9646c0d0f07f68bdc7cb46e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d2e56d7c90d93f03b78f03149311b6c2b1a538e8b6605f36dfa11b01ae4c2a",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2020-08-06T08:33:37Z",
    "title_canon_sha256": "936f550ab559e401a7f5fddf5833921774ee7f45cd3f36cabf45d8ae70302d2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.02519",
    "kind": "arxiv",
    "version": 1
  }
}