pith. sign in
Pith Number

pith:IHLRQPR4

pith:2014:IHLRQPR44NSTIXN4LDU25QHSEJ
not attested not anchored not stored refs pending

Secure Degrees of Freedom of the MIMO Multiple Access Channel with Multiple unknown Eavesdroppers

Amr Mohamed, Mohamed Amir, Tamer Khattab, Tarek Elfouly

arxiv:1404.5007 v4 · 2014-04-20 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IHLRQPR44NSTIXN4LDU25QHSEJ}

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 2026-05-18T01:18:00.386065Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

41d7183e3ce365345dbc58e9aec0f22268eabaf68cb79b25f4f00836805a2e1d

Aliases

arxiv: 1404.5007 · arxiv_version: 1404.5007v4 · doi: 10.48550/arxiv.1404.5007 · pith_short_12: IHLRQPR44NST · pith_short_16: IHLRQPR44NSTIXN4 · pith_short_8: IHLRQPR4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IHLRQPR44NSTIXN4LDU25QHSEJ \
  | 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: 41d7183e3ce365345dbc58e9aec0f22268eabaf68cb79b25f4f00836805a2e1d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fa6179dafaafb46510b1f7a82f8b2b2a1ee084b92a67270192bf267faef396bd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-04-20T04:14:13Z",
    "title_canon_sha256": "2f69d16552cc156ac0cbc68f37d2cfe27bb3bae8ad3c5eafd041338d22e61347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5007",
    "kind": "arxiv",
    "version": 4
  }
}