Pith Number

pith:4ZA5QEFH

pith:2024:4ZA5QEFHA6YB5FMMN7MWQF3WUZ

not attested not anchored not stored refs pending

A Machine Learning Approach for Simultaneous Demapping of QAM and APSK Constellations

Alexios Balatsoukas-Stimming, Arwin Gansekoele, Mark Hoogendoorn, Rob van der Mei, Sandjai Bhulai, Tom Brusse

arxiv:2405.09909 v1 · 2024-05-16 · cs.LG · cs.AI · 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{4ZA5QEFHA6YB5FMMN7MWQF3WUZ}

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	2026-07-05T08:19:50.477658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e641d810a707b01e958c6fd9681776a67b866103b4626789c0b3e25368a22063

Aliases

arxiv: 2405.09909 · arxiv_version: 2405.09909v1 · doi: 10.48550/arxiv.2405.09909 · pith_short_12: 4ZA5QEFHA6YB · pith_short_16: 4ZA5QEFHA6YB5FMM · pith_short_8: 4ZA5QEFH

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/4ZA5QEFHA6YB5FMMN7MWQF3WUZ \
  | 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: e641d810a707b01e958c6fd9681776a67b866103b4626789c0b3e25368a22063

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecc141b9833471efc39c52455b43f15b81473537c4e61d57fc7d527d2fbe610f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-05-16T08:57:34Z",
    "title_canon_sha256": "560e691c493831cfb5c231bfebbccedb7681b66e584152881006a0facae50af6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.09909",
    "kind": "arxiv",
    "version": 1
  }
}