Pith Number

pith:NBPQXEYH

pith:2019:NBPQXEYHPGKOASLVEZ7NPQ4EKK

not attested not anchored not stored refs pending

Random Pilot and Data Access for Massive MIMO Spatially Correlated Rayleigh Fading Channels

Fan Wei, Junyuan Gao, Yongpeng Wu

arxiv:1908.04541 v2 · 2019-08-13 · eess.SP · 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{NBPQXEYHPGKOASLVEZ7NPQ4EKK}

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	2026-07-04T23:57:51.763562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

685f0b93077994e04975267ed7c3845290707b18b9e0b7e24262bcb5c67972b3

Aliases

arxiv: 1908.04541 · arxiv_version: 1908.04541v2 · doi: 10.48550/arxiv.1908.04541 · pith_short_12: NBPQXEYHPGKO · pith_short_16: NBPQXEYHPGKOASLV · pith_short_8: NBPQXEYH

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/NBPQXEYHPGKOASLVEZ7NPQ4EKK \
  | 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: 685f0b93077994e04975267ed7c3845290707b18b9e0b7e24262bcb5c67972b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b8bf45c9c0a0b84d63ceeac8fa6a3240cb08b7ec1b4fa542e3c04570f921f2",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-13T08:51:42Z",
    "title_canon_sha256": "1bbc0aa42a3aaebdfee2533d172d5662904da6382fb6d81b376fe463574e6704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04541",
    "kind": "arxiv",
    "version": 2
  }
}