Pith Number

pith:QQFC7K6J

pith:2019:QQFC7K6JULKN7FZDFYIFO2YRNQ

not attested not anchored not stored refs pending

Intelligent Reflecting Surface vs. Decode-and-Forward: How Large Surfaces Are Needed to Beat Relaying?

Emil Bj\"ornson, Erik G. Larsson, \"Ozgecan \"Ozdogan

arxiv:1906.03949 v5 · 2019-06-10 · 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{QQFC7K6JULKN7FZDFYIFO2YRNQ}

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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.

Cited by

1 paper in Pith

Demystifying the Power Scaling Law of Intelligent Reflecting Surfaces and Metasurfaces

Receipt and verification

First computed	2026-07-05T09:33:21.918151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

840a2fabc9a2d4df97232e10576b116c1d87dec9b3766db8d6df077d476d11e2

Aliases

arxiv: 1906.03949 · arxiv_version: 1906.03949v5 · doi: 10.48550/arxiv.1906.03949 · pith_short_12: QQFC7K6JULKN · pith_short_16: QQFC7K6JULKN7FZD · pith_short_8: QQFC7K6J

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/QQFC7K6JULKN7FZDFYIFO2YRNQ \
  | 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: 840a2fabc9a2d4df97232e10576b116c1d87dec9b3766db8d6df077d476d11e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1783f3e2b0e1021560b265021e0c0d70c0638dacde6ae89a7dd8f10edd5822f9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-10T12:55:19Z",
    "title_canon_sha256": "25252890a57cc2fdef20c8eaaeacbb24ad1859a3562fbe0de3d931dcf2810cb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03949",
    "kind": "arxiv",
    "version": 5
  }
}