Pith Number

pith:OTLNFXRE

pith:2022:OTLNFXREFQF5OPKO7ZWFG3P6BZ

not attested not anchored not stored refs pending

FDD Massive MIMO Channel Training Optimal Rate Distortion Bounds and the Efficiency of one-shot Schemes

Giuseppe Caire, Mahdi Barzegar Khalilsarai, Tianyu Yang, Yi Song

arxiv:2207.10591 v1 · 2022-07-21 · 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{OTLNFXREFQF5OPKO7ZWFG3P6BZ}

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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	2026-07-05T04:42:27.061990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74d6d2de242c0bd73d4efe6c536dfe0e680a94d7fe9815d7eb32484d75ac2dca

Aliases

arxiv: 2207.10591 · arxiv_version: 2207.10591v1 · doi: 10.48550/arxiv.2207.10591 · pith_short_12: OTLNFXREFQF5 · pith_short_16: OTLNFXREFQF5OPKO · pith_short_8: OTLNFXRE

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/OTLNFXREFQF5OPKO7ZWFG3P6BZ \
  | 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: 74d6d2de242c0bd73d4efe6c536dfe0e680a94d7fe9815d7eb32484d75ac2dca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c90da1a15dcb2ecf7ea63d80bc184935a0011d4414cfd523fff60b7d71dc529c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-07-21T16:33:10Z",
    "title_canon_sha256": "62f48ffc10837b4c07db04fcd2ef18462f889882ef826f8e36d11b60fbaf1e4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.10591",
    "kind": "arxiv",
    "version": 1
  }
}