Pith Number

pith:WRG7DWJB

pith:2017:WRG7DWJBSHWFFDMSUABZVGH6DN

not attested not anchored not stored refs pending

Simple Signal Extension Method for Discrete Wavelet Transform

David Barina, Michal Kula, Pavel Zemcik

arxiv:1709.08460 v1 · 2017-09-25 · eess.SP · cs.OH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRG7DWJBSHWFFDMSUABZVGH6DN}

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	2026-05-18T00:34:25.572047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b44df1d92191ec528d92a0039a98fe1b6b7b067d1df8f50ddfef3cb93135899a

Aliases

arxiv: 1709.08460 · arxiv_version: 1709.08460v1 · doi: 10.48550/arxiv.1709.08460 · pith_short_12: WRG7DWJBSHWF · pith_short_16: WRG7DWJBSHWFFDMS · pith_short_8: WRG7DWJB

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/WRG7DWJBSHWFFDMSUABZVGH6DN \
  | 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: b44df1d92191ec528d92a0039a98fe1b6b7b067d1df8f50ddfef3cb93135899a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "883916a6b84ac55753d64a9b700ceebf650cd4b20610a3c593697b7b735e4bfb",
    "cross_cats_sorted": [
      "cs.OH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-09-25T12:52:44Z",
    "title_canon_sha256": "ad88776400bc098edbc9d954f0901a4b188caed59032f44b6f7a26331f3c62b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08460",
    "kind": "arxiv",
    "version": 1
  }
}