Pith Number

pith:J6IV4QLE

pith:2018:J6IV4QLECTNZSLSDJE7XQ3XAQH

not attested not anchored not stored refs pending

MIMO Underlay Cognitive Radio: Optimized Power Allocation, Effective Number of Transmit Antennas and Harvest-Transmit Tradeoff

George C. Alexandropoulos, Nikolaos I. Miridakis, Theodoros A. Tsiftsis

arxiv:1801.07209 v1 · 2018-01-22 · 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{J6IV4QLECTNZSLSDJE7XQ3XAQH}

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	2026-05-18T00:25:21.926049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f915e416414db992e43493f786ee081f48f889182ac3745abe7e61881d23b1e

Aliases

arxiv: 1801.07209 · arxiv_version: 1801.07209v1 · doi: 10.48550/arxiv.1801.07209 · pith_short_12: J6IV4QLECTNZ · pith_short_16: J6IV4QLECTNZSLSD · pith_short_8: J6IV4QLE

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/J6IV4QLECTNZSLSDJE7XQ3XAQH \
  | 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: 4f915e416414db992e43493f786ee081f48f889182ac3745abe7e61881d23b1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c15000fd8cffa50b81cc970d9a4f997ce725af362c9ae8924cc8b4179ea42ea",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-22T17:22:56Z",
    "title_canon_sha256": "a0b6e15d81620ad85aa027d4395e7eea47f5b72e242e30adc2bab6a6bd01dbf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07209",
    "kind": "arxiv",
    "version": 1
  }
}