Pith Number

pith:H427FQSG

pith:2017:H427FQSGFWL6EG37C4REDJEDS7

not attested not anchored not stored refs pending

Uplink Sounding Reference Signal Coordination to Combat Pilot Contamination in 5G Massive MIMO

Adrian Garcia-Rodriguez, David Lopez-Perez, Giovanni Geraci, Lorenzo Galati Giordano, Luca Campanalonga, Maurizio Magarini, Paolo Baracca

arxiv:1712.06890 v1 · 2017-12-19 · 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{H427FQSGFWL6EG37C4REDJEDS7}

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	2026-05-18T00:27:40.070613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f35f2c2462d97e21b7f172241a48397fde9edba57cf7b46b186b377c60177df

Aliases

arxiv: 1712.06890 · arxiv_version: 1712.06890v1 · doi: 10.48550/arxiv.1712.06890 · pith_short_12: H427FQSGFWL6 · pith_short_16: H427FQSGFWL6EG37 · pith_short_8: H427FQSG

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/H427FQSGFWL6EG37C4REDJEDS7 \
  | 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: 3f35f2c2462d97e21b7f172241a48397fde9edba57cf7b46b186b377c60177df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef4f71b28a5c2ba64cf36d5f1dec46557b22eaefc7c74a24b7be5f2eebd09ba",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-19T12:07:36Z",
    "title_canon_sha256": "261ab7c2fe2e985fbc8d38f87b268c5aa855a4f3438d51888b97442ba569369b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06890",
    "kind": "arxiv",
    "version": 1
  }
}