Pith Number

pith:2SKKY4FH

pith:2019:2SKKY4FHQYIVXCHBJ5JCUNUQ5W

not attested not anchored not stored refs pending

Channel Tracking and Hybrid Precoding for Wideband Hybrid Millimeter Wave MIMO Systems

Javier Rodriguez-Fernandez, Nuria Gonzalez-Prelcic, Takayuki Shimizu

arxiv:1905.03903 v1 · 2019-05-10 · 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{2SKKY4FHQYIVXCHBJ5JCUNUQ5W}

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	2026-05-17T23:46:35.230499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d494ac70a786115b88e14f522a3690eda722d4f0a1fd01e8b78ccd54c4a9d994

Aliases

arxiv: 1905.03903 · arxiv_version: 1905.03903v1 · doi: 10.48550/arxiv.1905.03903 · pith_short_12: 2SKKY4FHQYIV · pith_short_16: 2SKKY4FHQYIVXCHB · pith_short_8: 2SKKY4FH

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/2SKKY4FHQYIVXCHBJ5JCUNUQ5W \
  | 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: d494ac70a786115b88e14f522a3690eda722d4f0a1fd01e8b78ccd54c4a9d994

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f577765496678d21ddc2cf8815e03c36cbd9a50aaa4fefa8bf5fa6557556f8da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-10T00:52:02Z",
    "title_canon_sha256": "e05e2455db350144014147879204710fa53233fdd65d3bf362356f96b3c4225c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03903",
    "kind": "arxiv",
    "version": 1
  }
}