Pith Number

pith:2V5FME6B

pith:2018:2V5FME6BI5H45JREK7FFR66EKQ

not attested not anchored not stored refs pending

Noncoherent Multi-User MIMO Communications using Covariance CSIT

Christo Thomas Kurisummoottil, Dirk Slock, Wassim Tabikh, Yi Yuan-Wu

arxiv:1807.09114 v1 · 2018-07-24 · 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{2V5FME6BI5H45JREK7FFR66EKQ}

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	2026-05-18T00:09:56.743933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57a5613c1474fcea62457ca58fbc45419bb2a5ba108d735662eb55273bd1319

Aliases

arxiv: 1807.09114 · arxiv_version: 1807.09114v1 · doi: 10.48550/arxiv.1807.09114 · pith_short_12: 2V5FME6BI5H4 · pith_short_16: 2V5FME6BI5H45JRE · pith_short_8: 2V5FME6B

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/2V5FME6BI5H45JREK7FFR66EKQ \
  | 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: d57a5613c1474fcea62457ca58fbc45419bb2a5ba108d735662eb55273bd1319

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cfae3d576e3a7ba10c2ca6c712254a6fdd7d3b728ae9ea2834d7a5c8bb9b358",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-07-24T13:53:08Z",
    "title_canon_sha256": "299ebeaa605ec9f1a6971b0489a4e0bf8f970289a21aae75e36f7943cc657545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09114",
    "kind": "arxiv",
    "version": 1
  }
}