Pith Number

pith:BQRPLHP5

pith:2015:BQRPLHP5ZEDRZCSWQXAVG5PRVL

not attested not anchored not stored refs pending

Massive MIMO with Multi-cell MMSE Processing: Exploiting All Pilots for Interference Suppression

Emil Bj\"ornson, Erik G. Larsson, Jing Wang, Shidong Zhou, Xueru Li

arxiv:1505.03682 v2 · 2015-05-14 · 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{BQRPLHP5ZEDRZCSWQXAVG5PRVL}

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	2026-05-18T02:03:32.261844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c22f59dfdc9071c8a5685c15375f1aae00f32cb29a60bdda7c6557246549341

Aliases

arxiv: 1505.03682 · arxiv_version: 1505.03682v2 · doi: 10.48550/arxiv.1505.03682 · pith_short_12: BQRPLHP5ZEDR · pith_short_16: BQRPLHP5ZEDRZCSW · pith_short_8: BQRPLHP5

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/BQRPLHP5ZEDRZCSWQXAVG5PRVL \
  | 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: 0c22f59dfdc9071c8a5685c15375f1aae00f32cb29a60bdda7c6557246549341

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfd0c517c2ea89c0d8ce3d1ac0552976532e6c97b09ab2445e17c106012f8452",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-14T11:00:39Z",
    "title_canon_sha256": "3443942bb4917b21fd61d63a5789bfb7e7c40a76a4e332d21f5e72fc9b50e41f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03682",
    "kind": "arxiv",
    "version": 2
  }
}