Pith Number

pith:7CL5CAJS

pith:2018:7CL5CAJS3VVDSZCR4BCBNE5KTJ

not attested not anchored not stored refs pending

Identification of SM-OFDM and AL-OFDM Signals Based on Their Second-Order Cyclostationarity

Ebrahim Karami, Octavia Dobre

arxiv:1803.03878 v1 · 2018-03-11 · 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{7CL5CAJS3VVDSZCR4BCBNE5KTJ}

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	2026-05-18T00:21:33.560812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f897d10132dd6a396451e0441693aa9a4ab05b543da204f8155ae2f9477bb3cd

Aliases

arxiv: 1803.03878 · arxiv_version: 1803.03878v1 · doi: 10.48550/arxiv.1803.03878 · pith_short_12: 7CL5CAJS3VVD · pith_short_16: 7CL5CAJS3VVDSZCR · pith_short_8: 7CL5CAJS

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/7CL5CAJS3VVDSZCR4BCBNE5KTJ \
  | 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: f897d10132dd6a396451e0441693aa9a4ab05b543da204f8155ae2f9477bb3cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceb2f6d8a56927d687056edb6e9472b1f78d8ce594ea59d14eb2c5ee48003f96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-03-11T01:49:29Z",
    "title_canon_sha256": "91954a509385367226525a55906eb2f40edf32a5c9ef194e3c8c11cdfbaf77b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03878",
    "kind": "arxiv",
    "version": 1
  }
}