Pith Number

pith:ITREL3YD

pith:2019:ITREL3YD6XZTB4K535AORNTYNK

not attested not anchored not stored refs pending

Graph Signal Processing -- Part I: Graphs, Graph Spectra, and Spectral Clustering

Bruno Scalzo, Danilo Mandic, Ljubisa Stankovic, Milos Brajovic, Milos Dakovic, Tony Constantinides

arxiv:1907.03467 v2 · 2019-07-08 · cs.IT · eess.SP · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITREL3YD6XZTB4K535AORNTYNK}

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.

Cited by

1 paper in Pith

FGFRFT: Fast Graph Fractional Fourier Transform via Exact Spectral Splitting and Fourier-Series Approximation

Receipt and verification

First computed	2026-07-04T23:53:15.045179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e245ef03f5f330f15ddf40e8b6786a9afe7e67c94557e6225fc292d1d518b6

Aliases

arxiv: 1907.03467 · arxiv_version: 1907.03467v2 · doi: 10.48550/arxiv.1907.03467 · pith_short_12: ITREL3YD6XZT · pith_short_16: ITREL3YD6XZTB4K5 · pith_short_8: ITREL3YD

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/ITREL3YD6XZTB4K535AORNTYNK \
  | 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: 44e245ef03f5f330f15ddf40e8b6786a9afe7e67c94557e6225fc292d1d518b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a5f6dec6df86ca88ef580990e01ce92b67bc02f80a06d91c4c47fbd15fb06a6",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-07-08T09:09:11Z",
    "title_canon_sha256": "eeb7409d4e90e9bbc508c30e9dd674fb14caadd2f9468df515a9c55c162f0533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03467",
    "kind": "arxiv",
    "version": 2
  }
}