Pith Number

pith:GSIK6D5B

pith:2014:GSIK6D5BQF2MBK6OYXAKMNI5V2

not attested not anchored not stored refs pending

Secure Degrees of Freedom of the Gaussian MIMO Wiretap and MIMO Broadcast Channels with Unknown Eavesdroppers

Amr Mohamed, Mohamed Amir, Tamer Khattab, Tarek Elfouly

arxiv:1409.5583 v4 · 2014-09-19 · 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{GSIK6D5BQF2MBK6OYXAKMNI5V2}

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	2026-05-18T01:18:00.290919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3490af0fa18174c0abcec5c0a6351daeba98c749b7f1a41129e02810ba68309f

Aliases

arxiv: 1409.5583 · arxiv_version: 1409.5583v4 · doi: 10.48550/arxiv.1409.5583 · pith_short_12: GSIK6D5BQF2M · pith_short_16: GSIK6D5BQF2MBK6O · pith_short_8: GSIK6D5B

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/GSIK6D5BQF2MBK6OYXAKMNI5V2 \
  | 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: 3490af0fa18174c0abcec5c0a6351daeba98c749b7f1a41129e02810ba68309f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34905e69d9b11b2b7cb9742961eae46ea0f2ff919b5bba71aec333470399dc2a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-09-19T10:29:58Z",
    "title_canon_sha256": "59146e06e69d771783fffe017ad2635a83fe29dcabebf7a585e26e13884a6b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5583",
    "kind": "arxiv",
    "version": 4
  }
}