Pith Number

pith:AMPQ5XIE

pith:2014:AMPQ5XIEOEPQ3TFLWFUDOGPYHD

not attested not anchored not stored refs pending

Power Scaling of Uplink Massive MIMO Systems with Arbitrary-Rank Channel Means

Hongbo Zhu, Kai-Kit Wong, Michail Matthaiou, Qi Zhang, Shi Jin

arxiv:1405.6952 v1 · 2014-05-27 · 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{AMPQ5XIEOEPQ3TFLWFUDOGPYHD}

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	2026-05-18T01:43:05.771078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

031f0edd04711f0dccabb1683719f838e28b08dd92cd0c31af14fccd1ef9ffda

Aliases

arxiv: 1405.6952 · arxiv_version: 1405.6952v1 · doi: 10.48550/arxiv.1405.6952 · pith_short_12: AMPQ5XIEOEPQ · pith_short_16: AMPQ5XIEOEPQ3TFL · pith_short_8: AMPQ5XIE

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/AMPQ5XIEOEPQ3TFLWFUDOGPYHD \
  | 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: 031f0edd04711f0dccabb1683719f838e28b08dd92cd0c31af14fccd1ef9ffda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "811343320be5ca5aa6fab4dc4ebfac868cd3b3e44a1c5ad52b4c3005a280f70b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-27T15:31:54Z",
    "title_canon_sha256": "b4d213a0d49921ec1e610e2a67e7d51cbaeb1fcab6d19d915c637f57b716b152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6952",
    "kind": "arxiv",
    "version": 1
  }
}