Pith Number

pith:V4VQI3ZB

pith:2017:V4VQI3ZBVJDWLP3HUWXVS5QKDE

not attested not anchored not stored refs pending

New Lower Bound on the Ergodic Capacity of Optical MIMO Channels

Amor Nafkha, R\'emi Bonnefoi

arxiv:1701.08836 v1 · 2017-01-30 · 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{V4VQI3ZBVJDWLP3HUWXVS5QKDE}

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	2026-05-18T00:51:39.075544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af2b046f21aa4765bf67a5af59760a19119cb49e451da44654123ba88b213893

Aliases

arxiv: 1701.08836 · arxiv_version: 1701.08836v1 · doi: 10.48550/arxiv.1701.08836 · pith_short_12: V4VQI3ZBVJDW · pith_short_16: V4VQI3ZBVJDWLP3H · pith_short_8: V4VQI3ZB

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/V4VQI3ZBVJDWLP3HUWXVS5QKDE \
  | 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: af2b046f21aa4765bf67a5af59760a19119cb49e451da44654123ba88b213893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f395336f17b41255bb3e70b756a466b6301fe308fd0af52f2972ce2932f45a9d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-30T21:38:53Z",
    "title_canon_sha256": "8d6386428744b57bc790193548abd53cfbe6357b931fe1afeeee698dfe9d229e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08836",
    "kind": "arxiv",
    "version": 1
  }
}