Pith Number

pith:AWM2N33C

pith:2018:AWM2N33CIBBGYMV5XPSNLSLSSY

not attested not anchored not stored refs pending

A Directed Graph Fourier Transform with Spread Frequency Components

Ali Khodabakhsh, Evdokia Nikolova, Gonzalo Mateos, Rasoul Shafipour

arxiv:1804.03000 v2 · 2018-04-06 · 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{AWM2N33CIBBGYMV5XPSNLSLSSY}

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	2026-05-17T23:55:14.827164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0599a6ef6240426c32bdbbe4d5c97296345a7f26a75fc2a8e0fa440cf9e81845

Aliases

arxiv: 1804.03000 · arxiv_version: 1804.03000v2 · doi: 10.48550/arxiv.1804.03000 · pith_short_12: AWM2N33CIBBG · pith_short_16: AWM2N33CIBBGYMV5 · pith_short_8: AWM2N33C

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/AWM2N33CIBBGYMV5XPSNLSLSSY \
  | 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: 0599a6ef6240426c32bdbbe4d5c97296345a7f26a75fc2a8e0fa440cf9e81845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b35345b29ff7e0e8e5670b98a6e76a9a5b984fe5a4cd1d3ee7c25c66a193eee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-04-06T16:33:53Z",
    "title_canon_sha256": "1b6d278fcd7fbd86c503c4362d66d89173f8937701935cc7859e95d19712c370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03000",
    "kind": "arxiv",
    "version": 2
  }
}