pith. sign in
Pith Number

pith:IO35IGLO

pith:2013:IO35IGLODUL7A2ZAD6EAMGXJJS
not attested not anchored not stored refs pending

Secure Degrees of Freedom of MIMO X-Channels with Output Feedback and Delayed CSIT

Abdellatif Zaidi, Luc Vandendorpe, Shlomo Shamai (Shitz), Zohaib Hassan Awan

arxiv:1309.4026 v1 · 2013-09-16 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IO35IGLODUL7A2ZAD6EAMGXJJS}

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 2026-05-18T00:57:52.676812Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

43b7d4196e1d17f06b201f88061ae94ca593208b8f4a9b6bc6ebf2e816303e4c

Aliases

arxiv: 1309.4026 · arxiv_version: 1309.4026v1 · doi: 10.48550/arxiv.1309.4026 · pith_short_12: IO35IGLODUL7 · pith_short_16: IO35IGLODUL7A2ZA · pith_short_8: IO35IGLO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IO35IGLODUL7A2ZAD6EAMGXJJS \
  | 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: 43b7d4196e1d17f06b201f88061ae94ca593208b8f4a9b6bc6ebf2e816303e4c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "27a329ea79412af719cdc4a36ecc4806fef5712b13f0fd5d18d0385284dc7741",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-16T16:37:25Z",
    "title_canon_sha256": "add0a33efc0a6a780d10ec7e4da15b2b50b29ad9881fc2e25234c6ef45761366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4026",
    "kind": "arxiv",
    "version": 1
  }
}