Pith Number

pith:2V5ZZVWW

pith:2017:2V5ZZVWWX5N3NHVKVWMGDWIL2R

not attested not anchored not stored refs pending

Massive MIMO Performance - TDD Versus FDD: What Do Measurements Say?

Erik G. Larsson, Fredrik Rusek, Fredrik Tufvesson, Jose Flordelis, Ove Edfors

arxiv:1704.00623 v1 · 2017-04-03 · 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{2V5ZZVWWX5N3NHVKVWMGDWIL2R}

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	2026-05-18T00:47:21.818391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57b9cd6d6bf5bb69eaaad9861d90bd479cf6076420d20ad6a4542a4df7338b9

Aliases

arxiv: 1704.00623 · arxiv_version: 1704.00623v1 · doi: 10.48550/arxiv.1704.00623 · pith_short_12: 2V5ZZVWWX5N3 · pith_short_16: 2V5ZZVWWX5N3NHVK · pith_short_8: 2V5ZZVWW

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/2V5ZZVWWX5N3NHVKVWMGDWIL2R \
  | 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: d57b9cd6d6bf5bb69eaaad9861d90bd479cf6076420d20ad6a4542a4df7338b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c2b3a9f42be2e4a14463a8c98a2621027b43e665e4b7467a6a47ad50b726eaf",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-03T14:44:59Z",
    "title_canon_sha256": "5d624acc9481902cec4f2fd1e21d4d950e9b29cd50e8884357871b71a02b9417"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00623",
    "kind": "arxiv",
    "version": 1
  }
}