Pith Number

pith:UFACPDYP

pith:2015:UFACPDYPCRS2UB6SVDLP36XNGQ

not attested not anchored not stored refs pending

Space-Constrained Massive MIMO: Hitting the Wall of Favorable Propagation

Christos Masouros, Michail Matthaiou

arxiv:1503.00656 v1 · 2015-03-02 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFACPDYPCRS2UB6SVDLP36XNGQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:25:49.559286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a140278f0f1465aa07d2a8d6fdfaed340e23630041fca764d5964191b7e49e5f

Aliases

arxiv: 1503.00656 · arxiv_version: 1503.00656v1 · doi: 10.48550/arxiv.1503.00656 · pith_short_12: UFACPDYPCRS2 · pith_short_16: UFACPDYPCRS2UB6S · pith_short_8: UFACPDYP

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/UFACPDYPCRS2UB6SVDLP36XNGQ \
  | 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: a140278f0f1465aa07d2a8d6fdfaed340e23630041fca764d5964191b7e49e5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9454314d6fc4212c410c37bf454278b6368157f78ee5311879218af751580ca",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-02T18:33:14Z",
    "title_canon_sha256": "97ef06880ae2593479d67af0a340dcdc0afca9814d4e86da71e923cdf5e9690f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00656",
    "kind": "arxiv",
    "version": 1
  }
}