Pith Number

pith:YD5HDS4M

pith:2015:YD5HDS4MTRU7DHGHQ3RJ3K474U

not attested not anchored not stored refs pending

On the Optimal Feedback Rate in Interference-Limited Multi-Antenna Cellular Systems

Jeffrey G. Andrews, Jeonghun Park, Namyoon Lee, Robert W. Heath Jr

arxiv:1511.07499 v3 · 2015-11-23 · 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{YD5HDS4MTRU7DHGHQ3RJ3K474U}

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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	2026-05-18T00:58:09.968744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0fa71cb8c9c69f19cc786e29dab9fe508749eb96d8c6b1ddd52456a59393d61

Aliases

arxiv: 1511.07499 · arxiv_version: 1511.07499v3 · doi: 10.48550/arxiv.1511.07499 · pith_short_12: YD5HDS4MTRU7 · pith_short_16: YD5HDS4MTRU7DHGH · pith_short_8: YD5HDS4M

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/YD5HDS4MTRU7DHGHQ3RJ3K474U \
  | 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: c0fa71cb8c9c69f19cc786e29dab9fe508749eb96d8c6b1ddd52456a59393d61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54174c3c47432b700e83c6b2eb5a592d18ff3a76fa6aabafccb5f8b7246556ea",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-23T22:47:10Z",
    "title_canon_sha256": "26861aaae93bf0602411c728a4086e280b8512621c113c50d44e4e13782226eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07499",
    "kind": "arxiv",
    "version": 3
  }
}