Pith Number

pith:HKY5CGCF

pith:2014:HKY5CGCFDDRB6UU5W2LXQ3ICBN

not attested not anchored not stored refs pending

Fourier Theory on the Complex Plane III: Low-Pass Filters, Singularity Splitting and Infinite-Order Filters

Jorge L. deLyra

arxiv:1411.6503 v2 · 2014-11-24 · math.CV · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKY5CGCFDDRB6UU5W2LXQ3ICBN}

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	2026-05-18T02:20:30.503837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ab1d1184518e21f529db697786d020b5317c9dec907e0a6a85547d6e3d7a680

Aliases

arxiv: 1411.6503 · arxiv_version: 1411.6503v2 · doi: 10.48550/arxiv.1411.6503 · pith_short_12: HKY5CGCFDDRB · pith_short_16: HKY5CGCFDDRB6UU5 · pith_short_8: HKY5CGCF

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/HKY5CGCFDDRB6UU5W2LXQ3ICBN \
  | 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: 3ab1d1184518e21f529db697786d020b5317c9dec907e0a6a85547d6e3d7a680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "111bfa60410431949b2a3645eed6e0bb83c38b27a980b595c20c8fb04ebeaa29",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-11-24T16:06:40Z",
    "title_canon_sha256": "11d13d41892f19d69efd809f29c8ebb6c9f2b322b482d110a62c05470bc8951f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6503",
    "kind": "arxiv",
    "version": 2
  }
}