Pith Number

pith:QJGN4LVC

pith:2021:QJGN4LVCQSRT6BU3V7ZOGJSLBP

not attested not anchored not stored refs pending

Cell-free Massive MIMO with Short Packets

Alejandro Lancho, Giuseppe Durisi, Luca Sanguinetti

arxiv:2107.10707 v1 · 2021-07-22 · cs.IT · eess.SP · 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{QJGN4LVCQSRT6BU3V7ZOGJSLBP}

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	2026-07-05T03:00:02.873811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

824cde2ea284a33f069baff2e3264b0bd98f12c0fb8cf99d8c95a6697fc39861

Aliases

arxiv: 2107.10707 · arxiv_version: 2107.10707v1 · doi: 10.48550/arxiv.2107.10707 · pith_short_12: QJGN4LVCQSRT · pith_short_16: QJGN4LVCQSRT6BU3 · pith_short_8: QJGN4LVC

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/QJGN4LVCQSRT6BU3V7ZOGJSLBP \
  | 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: 824cde2ea284a33f069baff2e3264b0bd98f12c0fb8cf99d8c95a6697fc39861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41b93a22e3fb875648440fa8b0aa2b8d32dbc8dae45f3bb04539866e918547ce",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-07-22T14:26:53Z",
    "title_canon_sha256": "6db8ab212460d383358de22a5a86cba7bed8af3c5ff6c4acb40c5dd1c94d47aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10707",
    "kind": "arxiv",
    "version": 1
  }
}