Pith Number

pith:Z4MYQ5IE

pith:2015:Z4MYQ5IEHGXTHEJ4KONNPVOFEK

not attested not anchored not stored refs pending

Precoding in Multibeam Satellite Communications: Present and Future Challenges

Alberto Ginesi, Ana P\'erez-Neira, Bj\"orn Ottersten, Dimitrios Christopoulos, Giorgio Taricco, Miguel \'Angel V\'azquez, Pantelis-Daniel Arapoglou, Symeon Chatzinotas

arxiv:1506.08018 v1 · 2015-06-26 · 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{Z4MYQ5IEHGXTHEJ4KONNPVOFEK}

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	2026-05-18T00:52:55.602188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf1988750439af33913c539ad7d5c522ba4a13fb3aba650658bbddda14bd3d1b

Aliases

arxiv: 1506.08018 · arxiv_version: 1506.08018v1 · doi: 10.48550/arxiv.1506.08018 · pith_short_12: Z4MYQ5IEHGXT · pith_short_16: Z4MYQ5IEHGXTHEJ4 · pith_short_8: Z4MYQ5IE

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/Z4MYQ5IEHGXTHEJ4KONNPVOFEK \
  | 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: cf1988750439af33913c539ad7d5c522ba4a13fb3aba650658bbddda14bd3d1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdc9b015621595db037501e7316dfe6c5d82943a630894fdeb5e52f5e5980c71",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-26T10:20:00Z",
    "title_canon_sha256": "39e5cbbb360725812f116bad33b654a485410eb32aca77613ea846594462f903"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08018",
    "kind": "arxiv",
    "version": 1
  }
}