Pith Number

pith:UFSP47OD

pith:2015:UFSP47ODNNBU36HFQEMABRA72D

not attested not anchored not stored refs pending

The Hilbert spectrum and the Energy Preserving Empirical Mode Decomposition

Kaushik Saha, Pushpendra Singh, Rakesh Kumar Patney, Shiv Dutt Joshi

arxiv:1504.04104 v1 · 2015-04-16 · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFSP47ODNNBU36HFQEMABRA72D}

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	2026-05-18T02:18:39.882262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a164fe7dc36b434df8e5811800c41fd0c1fe724b8dbb262780a175551d2377da

Aliases

arxiv: 1504.04104 · arxiv_version: 1504.04104v1 · doi: 10.48550/arxiv.1504.04104 · pith_short_12: UFSP47ODNNBU · pith_short_16: UFSP47ODNNBU36HF · pith_short_8: UFSP47OD

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/UFSP47ODNNBU36HFQEMABRA72D \
  | 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: a164fe7dc36b434df8e5811800c41fd0c1fe724b8dbb262780a175551d2377da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56e8ac41bbaca86509373f0a58cd0deb8bbd62b1099edc43842fb15ae8e4cccb",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-16T06:08:54Z",
    "title_canon_sha256": "4b6b9c05e1b57ecc5322e7eda812870c18a353fc5c3516e455ccf256e2d4d103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04104",
    "kind": "arxiv",
    "version": 1
  }
}