Pith Number

pith:QHR6I6QT

pith:2018:QHR6I6QTYOQ4RE6J4V25IMLL3J

not attested not anchored not stored refs pending

NOMA Schemes for Multibeam Satellite Communications

Ana I. Perez-Neira, Marius Caus, Miguel Angel Vazquez, Nader Alagha

arxiv:1810.08440 v1 · 2018-10-19 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHR6I6QTYOQ4RE6J4V25IMLL3J}

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	2026-05-18T00:02:48.070123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e3e47a13c3a1c893c9e575d4316bda48e162c2af57070220597cfd791a75c5

Aliases

arxiv: 1810.08440 · arxiv_version: 1810.08440v1 · doi: 10.48550/arxiv.1810.08440 · pith_short_12: QHR6I6QTYOQ4 · pith_short_16: QHR6I6QTYOQ4RE6J · pith_short_8: QHR6I6QT

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/QHR6I6QTYOQ4RE6J4V25IMLL3J \
  | 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: 81e3e47a13c3a1c893c9e575d4316bda48e162c2af57070220597cfd791a75c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2cc2b334465b7d7211ab8876c4848dd80c0cb2c949c067c2bcbb2167819a7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-10-19T11:01:02Z",
    "title_canon_sha256": "2638a08f29bb39eb1ba5ab33207c32c7b798663e4ec8d9621c5b1a40490c4f1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08440",
    "kind": "arxiv",
    "version": 1
  }
}