Pith Number

pith:EWCGYJRX

pith:2018:EWCGYJRX63B43YFFHSCDOUHY2O

not attested not anchored not stored refs pending

Wideband mmWave Channel Estimation for Hybrid Massive MIMO with Low-Precision ADCs

Hua Zhang, Wei Xu, Xiaohu You, Yucheng Wang

arxiv:1809.04454 v1 · 2018-09-11 · 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{EWCGYJRX63B43YFFHSCDOUHY2O}

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	2026-05-18T00:05:52.324614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25846c2637f6c3cde0a53c843750f8d3b895339cd902b3daedbee368406bb32c

Aliases

arxiv: 1809.04454 · arxiv_version: 1809.04454v1 · doi: 10.48550/arxiv.1809.04454 · pith_short_12: EWCGYJRX63B4 · pith_short_16: EWCGYJRX63B43YFF · pith_short_8: EWCGYJRX

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/EWCGYJRX63B43YFFHSCDOUHY2O \
  | 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: 25846c2637f6c3cde0a53c843750f8d3b895339cd902b3daedbee368406bb32c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78acae76501d4b3c041a505e249da27ad340f4b8fde59ff66e8af278f07b5435",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-09-11T11:25:40Z",
    "title_canon_sha256": "3d50ce92d98439bf3fc66857ee51fbffd07ed2bf650c8dab886fb16084e33ccc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04454",
    "kind": "arxiv",
    "version": 1
  }
}