Pith Number

pith:PS5LVX37

pith:2013:PS5LVX37STYOMO4PY4A77QXPDV

not attested not anchored not stored refs pending

Vandermonde-subspace Frequency Division Multiplexing for Two-Tiered Cognitive Radio Networks

Francisco Rodrigo P. Cavalcanti, Leonardo S. Cardoso, Mari Kobayashi, M\'erouane Debbah

arxiv:1302.6866 v1 · 2013-02-27 · cs.IT · 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{PS5LVX37STYOMO4PY4A77QXPDV}

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	2026-05-18T03:32:18.290642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cbabadf7f94f0e63b8fc701ffc2ef1d7b48a312df9da96420a67edc71bb6cec

Aliases

arxiv: 1302.6866 · arxiv_version: 1302.6866v1 · doi: 10.48550/arxiv.1302.6866 · pith_short_12: PS5LVX37STYO · pith_short_16: PS5LVX37STYOMO4P · pith_short_8: PS5LVX37

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/PS5LVX37STYOMO4PY4A77QXPDV \
  | 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: 7cbabadf7f94f0e63b8fc701ffc2ef1d7b48a312df9da96420a67edc71bb6cec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e46f6c3555934f4562a4c20567439d0226fec6cae21fd8ecc5cd7a9726c0cb24",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-02-27T14:54:50Z",
    "title_canon_sha256": "1b2ac5aae7881d06ed703f2ecc0552af09bd57f2755590a4f61282064f96d6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6866",
    "kind": "arxiv",
    "version": 1
  }
}