Pith Number

pith:SZKFU3KF

pith:2019:SZKFU3KFZ6GZPEDSRYM7GMTWBP

not attested not anchored not stored refs pending

Cascaded Channel Estimation for Large Intelligent Metasurface Assisted Massive MIMO

Xiaojun Yuan, Zhen-Qing He

arxiv:1905.07948 v2 · 2019-05-20 · cs.IT · eess.SP · 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{SZKFU3KFZ6GZPEDSRYM7GMTWBP}

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.

Cited by

1 paper in Pith

Wireless Communications Through Reconfigurable Intelligent Surfaces

Receipt and verification

First computed	2026-07-04T23:59:15.110352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96545a6d45cf8d9790728e19f332760bfaf33e2e19214036b0ba5314a4036687

Aliases

arxiv: 1905.07948 · arxiv_version: 1905.07948v2 · doi: 10.48550/arxiv.1905.07948 · pith_short_12: SZKFU3KFZ6GZ · pith_short_16: SZKFU3KFZ6GZPEDS · pith_short_8: SZKFU3KF

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/SZKFU3KFZ6GZPEDSRYM7GMTWBP \
  | 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: 96545a6d45cf8d9790728e19f332760bfaf33e2e19214036b0ba5314a4036687

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d09cd6f7357c4aa73c6078c47a7152f426c0be8837c86fcdc4b4c118cafa831b",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-05-20T08:49:07Z",
    "title_canon_sha256": "3c328534b5a106feefad10d349d50ecaebbb1e8718b5ee4bab0498f2f14dff60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07948",
    "kind": "arxiv",
    "version": 2
  }
}