Pith Number

pith:JSQVVNWH

pith:2019:JSQVVNWH2D4EELCFEWWOJPU3VW

not attested not anchored not stored refs pending

Exponential Spatial Correlation with Large-Scale Fading Variations in Massive MIMO Channel Estimation

Jose Carlos Marinello, Taufik Abrao, Victor Croisfelt Rodrigues

arxiv:1901.08134 v1 · 2019-01-23 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JSQVVNWH2D4EELCFEWWOJPU3VW}

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	2026-05-17T23:55:37.859131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ca15ab6c7d0f8422c4525ace4be9badabd444a2834eafa53c654776143d3c2e

Aliases

arxiv: 1901.08134 · arxiv_version: 1901.08134v1 · doi: 10.48550/arxiv.1901.08134 · pith_short_12: JSQVVNWH2D4E · pith_short_16: JSQVVNWH2D4EELCF · pith_short_8: JSQVVNWH

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/JSQVVNWH2D4EELCFEWWOJPU3VW \
  | 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: 4ca15ab6c7d0f8422c4525ace4be9badabd444a2834eafa53c654776143d3c2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1348a171e982bb3e80ce7010930cff537321eb4874cd2002e7c848837f462441",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-01-23T21:18:26Z",
    "title_canon_sha256": "9ec73ae6ae29c1824301acb06d9ed2b957d9a214d2fcb949ce82acf1592451e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08134",
    "kind": "arxiv",
    "version": 1
  }
}