Pith Number

pith:DNIQELB5

pith:2020:DNIQELB5GAZG3CJ4W5DOWZNRZU

not attested not anchored not stored refs pending

Decomposing non-stationary signals with time-varying wave-shape functions

Hau-Tieng Wu, Marcelo A. Colominas

arxiv:2010.07394 v2 · 2020-10-14 · 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{DNIQELB5GAZG3CJ4W5DOWZNRZU}

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	2026-07-05T03:19:01.889543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b51022c3d30326d893cb746eb65b1cd2381bb36b2c694531543050efe293b90

Aliases

arxiv: 2010.07394 · arxiv_version: 2010.07394v2 · doi: 10.48550/arxiv.2010.07394 · pith_short_12: DNIQELB5GAZG · pith_short_16: DNIQELB5GAZG3CJ4 · pith_short_8: DNIQELB5

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/DNIQELB5GAZG3CJ4W5DOWZNRZU \
  | 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: 1b51022c3d30326d893cb746eb65b1cd2381bb36b2c694531543050efe293b90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c43e05aca6f08e84a042f0eda4b9a690ca190c8e00335c967ca605615cbd5fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-10-14T20:33:18Z",
    "title_canon_sha256": "ddde064117ed46f3bff3de797b5c949afae84f47b83f885f94d139d4426c6c87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.07394",
    "kind": "arxiv",
    "version": 2
  }
}