Pith Number

pith:DESG5N4P

pith:2017:DESG5N4P57V2ZD2ZCYLET34CEV

not attested not anchored not stored refs pending

Spatial Channel Covariance Estimation for the Hybrid MIMO Architecture: A Compressive Sensing Based Approach

Robert W. Heath Jr, Sungwoo Park

arxiv:1711.04207 v1 · 2017-11-11 · 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{DESG5N4P57V2ZD2ZCYLET34CEV}

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	2026-05-18T00:30:39.747978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19246eb78fefebac8f59161649ef82256c2cba1e34670509dbe1b09dd592cd64

Aliases

arxiv: 1711.04207 · arxiv_version: 1711.04207v1 · doi: 10.48550/arxiv.1711.04207 · pith_short_12: DESG5N4P57V2 · pith_short_16: DESG5N4P57V2ZD2Z · pith_short_8: DESG5N4P

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/DESG5N4P57V2ZD2ZCYLET34CEV \
  | 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: 19246eb78fefebac8f59161649ef82256c2cba1e34670509dbe1b09dd592cd64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc3cbd9dc8623c35abc09360d0f24c7436065945895f171eb0b57bb199282918",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-11-11T23:22:20Z",
    "title_canon_sha256": "67d6e0dee9dc26bf41b3ba70349d6e5c77a7d36fcb49698cd3c71dc11472dbe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04207",
    "kind": "arxiv",
    "version": 1
  }
}