pith. sign in
Pith Number

pith:4SZE2PPU

pith:2015:4SZE2PPUEWRSHYFPOEU42HGZVZ
not attested not anchored not stored refs pending

Constructive Interference through Symbol Level Precoding for Multi-level Modulation

Bjorn Ottersten, Maha Alodeh, Symeon Chatzinotas

arxiv:1504.06750 v1 · 2015-04-25 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4SZE2PPUEWRSHYFPOEU42HGZVZ}

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 2026-05-18T02:17:44.453415Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e4b24d3df425a323e0af7129cd1cd9ae78b96c1f83e6430ff91190488113af40

Aliases

arxiv: 1504.06750 · arxiv_version: 1504.06750v1 · doi: 10.48550/arxiv.1504.06750 · pith_short_12: 4SZE2PPUEWRS · pith_short_16: 4SZE2PPUEWRSHYFP · pith_short_8: 4SZE2PPU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4SZE2PPUEWRSHYFPOEU42HGZVZ \
  | 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: e4b24d3df425a323e0af7129cd1cd9ae78b96c1f83e6430ff91190488113af40
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "faa80302f1c24b9276597cb42df559ff9544fc9eb7da14627c220539ee28bfa6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-25T18:53:31Z",
    "title_canon_sha256": "e0dee0ddb1af514bcf8dc3666c640bbe9de8dae66baa6027eca18973a49e6143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06750",
    "kind": "arxiv",
    "version": 1
  }
}