Pith Number

pith:STQDZCHU

pith:2022:STQDZCHUL33MFL35PJZJ6ZGC2K

not attested not anchored not stored refs pending

An Energy-concentrated Wavelet Transform for Time Frequency Analysis of Transient Signals

Gang Yu, Haoran Dong

arxiv:2202.10690 v1 · 2022-02-22 · 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{STQDZCHUL33MFL35PJZJ6ZGC2K}

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	2026-07-05T03:59:07.362129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e03c88f45ef6c2af7d7a729f64c2d298a4290fc1f1a0cdf4e5c283964d5f1a

Aliases

arxiv: 2202.10690 · arxiv_version: 2202.10690v1 · doi: 10.48550/arxiv.2202.10690 · pith_short_12: STQDZCHUL33M · pith_short_16: STQDZCHUL33MFL35 · pith_short_8: STQDZCHU

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/STQDZCHUL33MFL35PJZJ6ZGC2K \
  | 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: 94e03c88f45ef6c2af7d7a729f64c2d298a4290fc1f1a0cdf4e5c283964d5f1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90589b06db57d2fd2f77c1d90ee228feec888ebc95aed03712aa2e137e425a55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-02-22T06:20:07Z",
    "title_canon_sha256": "a39e846e7d33b9620bc26f6aa5df772e5068376aa735510e203718116f50b554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10690",
    "kind": "arxiv",
    "version": 1
  }
}