Pith Number

pith:IHHPJPVW

pith:2020:IHHPJPVWFQDUUSCPEBFXPJ6WNE

not attested not anchored not stored refs pending

Analog Versus Hybrid Precoding for Multiuser Massive MIMO with Quantized CSI Feedback

Jindan Xu, Kezhi Wang, Mohamed-Slim Alouini, Shi Jin, Wei Xu, Yaqiong Zhao

arxiv:2006.00899 v1 · 2020-06-01 · 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{IHHPJPVWFQDUUSCPEBFXPJ6WNE}

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	2026-07-05T01:07:32.408753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41cef4beb62c074a484f204b77a7d6690a84d1aab4b56bb633e78b738345da07

Aliases

arxiv: 2006.00899 · arxiv_version: 2006.00899v1 · doi: 10.48550/arxiv.2006.00899 · pith_short_12: IHHPJPVWFQDU · pith_short_16: IHHPJPVWFQDUUSCP · pith_short_8: IHHPJPVW

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/IHHPJPVWFQDUUSCPEBFXPJ6WNE \
  | 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: 41cef4beb62c074a484f204b77a7d6690a84d1aab4b56bb633e78b738345da07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a8760fc7a9f154dc6ed21fbe4d308a51efccb6109d2f60d98a510fe3b437aac",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-06-01T12:51:34Z",
    "title_canon_sha256": "8818063ea1e21c56d3e71a55e55e9a7e1973dd5236b009f545c4c90bae4431a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.00899",
    "kind": "arxiv",
    "version": 1
  }
}