Pith Number

pith:MA2QOT6H

pith:2018:MA2QOT6H5EMGMFFCOF4EQ2J27C

not attested not anchored not stored refs pending

Massive MIMO Channel Estimation for Millimeter Wave Systems via Matrix Completion

Evangelos Vlachos, George C. Alexandropoulos, John Thompson

arxiv:1809.01603 v2 · 2018-09-05 · 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{MA2QOT6H5EMGMFFCOF4EQ2J27C}

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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	2026-05-17T23:44:02.835214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6035074fc7e9186614a2717848693af8864a61e509013045d08b351e73e8ecb7

Aliases

arxiv: 1809.01603 · arxiv_version: 1809.01603v2 · doi: 10.48550/arxiv.1809.01603 · pith_short_12: MA2QOT6H5EMG · pith_short_16: MA2QOT6H5EMGMFFC · pith_short_8: MA2QOT6H

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/MA2QOT6H5EMGMFFCOF4EQ2J27C \
  | 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: 6035074fc7e9186614a2717848693af8864a61e509013045d08b351e73e8ecb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "444b1c8f2ee2cfe26f5501d22933d7f012ef6453bb839afd43728f6b376e26f9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-05T16:19:16Z",
    "title_canon_sha256": "e6229cd8d4f5d3cc0fae10e2f289aa388c4de0d93c3a2a9edbe7eb2290599b37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01603",
    "kind": "arxiv",
    "version": 2
  }
}