Pith Number

pith:6DIQ7UMU

pith:2016:6DIQ7UMUUZPQKGSMNGB2KM4TNI

not attested not anchored not stored refs pending

Downlink Performance of Superimposed Pilots in Massive MIMO systems

Karthik Upadhya, Mikko Vehkapera, Sergiy A. Vorobyov

arxiv:1606.04476 v3 · 2016-06-14 · 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{6DIQ7UMUUZPQKGSMNGB2KM4TNI}

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	2026-05-17T23:48:41.079046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0d10fd194a65f051a4c6983a533936a2810f0ec3f459c7c3a499325373b1382

Aliases

arxiv: 1606.04476 · arxiv_version: 1606.04476v3 · doi: 10.48550/arxiv.1606.04476 · pith_short_12: 6DIQ7UMUUZPQ · pith_short_16: 6DIQ7UMUUZPQKGSM · pith_short_8: 6DIQ7UMU

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/6DIQ7UMUUZPQKGSMNGB2KM4TNI \
  | 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: f0d10fd194a65f051a4c6983a533936a2810f0ec3f459c7c3a499325373b1382

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fa4ee42d6ea933bc2d97fcf3a99aded2968d280608a56f79bc2ef5110627be5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-06-14T17:53:37Z",
    "title_canon_sha256": "5c330d7ef4fb9314d191f82977302e7f0e74e4cc61d462932d35e374fcfefa4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04476",
    "kind": "arxiv",
    "version": 3
  }
}