Pith Number

pith:SRZFDPE2

pith:2014:SRZFDPE2SCRQCRZPULOOMMB5NO

not attested not anchored not stored refs pending

On the Degrees of Freedom of SISO X-Channel with Alternating CSIT

Ahmed Wagdy, Amr El-Keyi, Mohammed Nafie, Tamer Khattab

arxiv:1407.8348 v1 · 2014-07-31 · 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{SRZFDPE2SCRQCRZPULOOMMB5NO}

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	2026-05-18T02:46:05.359674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947251bc9a90a301472fa2dce6303d6b860eae15d606eaa3d2121782d281e83c

Aliases

arxiv: 1407.8348 · arxiv_version: 1407.8348v1 · doi: 10.48550/arxiv.1407.8348 · pith_short_12: SRZFDPE2SCRQ · pith_short_16: SRZFDPE2SCRQCRZP · pith_short_8: SRZFDPE2

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/SRZFDPE2SCRQCRZPULOOMMB5NO \
  | 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: 947251bc9a90a301472fa2dce6303d6b860eae15d606eaa3d2121782d281e83c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31659ad833a7ec98207303e09544ad95dd452b4c8027a601c04254f5fa0c62e9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-31T10:25:12Z",
    "title_canon_sha256": "fb43a439f702100970468257ed48340aad0c474cf0bc2ea505d5695bf3d69060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8348",
    "kind": "arxiv",
    "version": 1
  }
}