Pith Number

pith:7CVPU2AP

pith:2017:7CVPU2APROZHCXD7GDXLFCXW2B

not attested not anchored not stored refs pending

On Differential Modulation in Downlink Multiuser MIMO Systems

Aissa Ikhlef, Fahad Alsifiany, Jonathon Chambers

arxiv:1707.01603 v1 · 2017-07-06 · cs.IT · math.IT · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CVPU2APROZHCXD7GDXLFCXW2B}

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	2026-05-18T00:40:48.063716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8aafa680f8bb2715c7f30eeb28af6d050228a0692c0798b6367f2db8529055a

Aliases

arxiv: 1707.01603 · arxiv_version: 1707.01603v1 · doi: 10.48550/arxiv.1707.01603 · pith_short_12: 7CVPU2APROZH · pith_short_16: 7CVPU2APROZHCXD7 · pith_short_8: 7CVPU2AP

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/7CVPU2APROZHCXD7GDXLFCXW2B \
  | 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: f8aafa680f8bb2715c7f30eeb28af6d050228a0692c0798b6367f2db8529055a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27d40f935c5d8e81ad62955c3c9bbaae870ce22b5c6c9134c385a9961f181f05",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-06T01:04:25Z",
    "title_canon_sha256": "d332e02fe83292bcd29314f3b590bcfdb67bc57f2af1524836ab03324249e3f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01603",
    "kind": "arxiv",
    "version": 1
  }
}