Pith Number

pith:WW2OYT2H

pith:2012:WW2OYT2HI6TNZQGTKIP3KS743M

not attested not anchored not stored refs pending

Capacity Limits and Multiplexing Gains of MIMO Channels with Transceiver Impairments

Bj\"orn Ottersten, Emil Bj\"ornson, Mats Bengtsson, Per Zetterberg

arxiv:1209.4093 v3 · 2012-09-18 · 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{WW2OYT2HI6TNZQGTKIP3KS743M}

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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	2026-05-18T02:52:49.675174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b4ec4f4747a6dcc0d3521fb54bfcdb11bb35a2739265d23c5731cfe839d759

Aliases

arxiv: 1209.4093 · arxiv_version: 1209.4093v3 · doi: 10.48550/arxiv.1209.4093 · pith_short_12: WW2OYT2HI6TN · pith_short_16: WW2OYT2HI6TNZQGT · pith_short_8: WW2OYT2H

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/WW2OYT2HI6TNZQGTKIP3KS743M \
  | 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: b5b4ec4f4747a6dcc0d3521fb54bfcdb11bb35a2739265d23c5731cfe839d759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b9601d1296e7e87e77794234af5e706622f01ffa841ced2444ad754c02123f2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-09-18T20:05:22Z",
    "title_canon_sha256": "11ed4fbb8cb0f91c2d4669714c7a9c404a90309cb92e316c5d0a8655c7091c51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4093",
    "kind": "arxiv",
    "version": 3
  }
}