Pith Number

pith:MCR5K7LJ

pith:2016:MCR5K7LJRVEK6BSZ2JWY5RM3J2

not attested not anchored not stored refs pending

Superimposed Pilots are Superior for Mitigating Pilot Contamination in Massive MIMO

Karthik Upadhya, Mikko Vehkapera, Sergiy A. Vorobyov

arxiv:1603.00648 v3 · 2016-03-02 · 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{MCR5K7LJRVEK6BSZ2JWY5RM3J2}

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	2026-05-18T00:38:31.370167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60a3d57d698d48af0659d26d8ec59b4ebd2dee021e1f2baedd308bb3b54281a7

Aliases

arxiv: 1603.00648 · arxiv_version: 1603.00648v3 · doi: 10.48550/arxiv.1603.00648 · pith_short_12: MCR5K7LJRVEK · pith_short_16: MCR5K7LJRVEK6BSZ · pith_short_8: MCR5K7LJ

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/MCR5K7LJRVEK6BSZ2JWY5RM3J2 \
  | 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: 60a3d57d698d48af0659d26d8ec59b4ebd2dee021e1f2baedd308bb3b54281a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01c14020baba05d8cee852416bbee7229b215c4e80c94de657d59bec4d29cd02",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-03-02T10:40:43Z",
    "title_canon_sha256": "5261169b2c07a20ecc78572d1986d65780c8a57bcf477a6d186da3a56edaaefd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00648",
    "kind": "arxiv",
    "version": 3
  }
}