Pith Number

pith:EXG4JIAB

pith:2018:EXG4JIABXCN637FOXPNZIJNWFI

not attested not anchored not stored refs pending

Subband Beamforming in Coherent Hybrid Massive MIMO Using Eigenbeams

Chris Ng, Mihai Banu

arxiv:1811.09861 v1 · 2018-11-24 · 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{EXG4JIABXCN637FOXPNZIJNWFI}

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	2026-05-17T23:59:59.295541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25cdc4a001b89bedfcaebbdb9425b62a085fa690676a207ce1e13020fb369be0

Aliases

arxiv: 1811.09861 · arxiv_version: 1811.09861v1 · doi: 10.48550/arxiv.1811.09861 · pith_short_12: EXG4JIABXCN6 · pith_short_16: EXG4JIABXCN637FO · pith_short_8: EXG4JIAB

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/EXG4JIABXCN637FOXPNZIJNWFI \
  | 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: 25cdc4a001b89bedfcaebbdb9425b62a085fa690676a207ce1e13020fb369be0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec8e35c590fb1a802fb26dc6b0580c3fe6dd6e29c1e7583489f85b8b614c5cbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-11-24T17:21:49Z",
    "title_canon_sha256": "c3388ac69db4cffa4e67e14546e26297f6d6cfea2fa33175696fdd814c3d8f90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09861",
    "kind": "arxiv",
    "version": 1
  }
}