Pith Number

pith:ABX3AXEG

pith:2020:ABX3AXEG6UAJXJTWBYNSKKACX5

not attested not anchored not stored refs pending

Current state of nonlinear-type time-frequency analysis and applications to high-frequency biomedical signals

Hau-Tieng Wu

arxiv:2004.00501 v1 · 2020-03-31 · 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{ABX3AXEG6UAJXJTWBYNSKKACX5}

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	2026-07-05T00:52:11.212393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

006fb05c86f5009ba6760e1b252802bf7c273ec6a55d2adddbcb2226a58219d0

Aliases

arxiv: 2004.00501 · arxiv_version: 2004.00501v1 · doi: 10.48550/arxiv.2004.00501 · pith_short_12: ABX3AXEG6UAJ · pith_short_16: ABX3AXEG6UAJXJTW · pith_short_8: ABX3AXEG

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/ABX3AXEG6UAJXJTWBYNSKKACX5 \
  | 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: 006fb05c86f5009ba6760e1b252802bf7c273ec6a55d2adddbcb2226a58219d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcad9094db6044d81b4f55443d8ddfafaea7e9d13060e7e57c7fceae91ee36b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-03-31T04:27:25Z",
    "title_canon_sha256": "7c8e2da566e97b3c00de8d21275f69c4f6553b342972ef09b5005e69a033456d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00501",
    "kind": "arxiv",
    "version": 1
  }
}