Pith Number

pith:FVCSIGGT

pith:2015:FVCSIGGTIMHDGKOS2YW47FXHTB

not attested not anchored not stored refs pending

High-Dimensional CSI Acquisition in Massive MIMO: Sparsity-Inspired Approaches

Juei-Chin Shen, Jun Zhang, Khaled B. Letaief, Kwang-Cheng Chen

arxiv:1505.00426 v1 · 2015-05-03 · 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{FVCSIGGTIMHDGKOS2YW47FXHTB}

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	2026-05-18T02:17:03.080265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d452418d3430e3329d2d62dcf96e798774df47767a7f46895beda20775798a3

Aliases

arxiv: 1505.00426 · arxiv_version: 1505.00426v1 · doi: 10.48550/arxiv.1505.00426 · pith_short_12: FVCSIGGTIMHD · pith_short_16: FVCSIGGTIMHDGKOS · pith_short_8: FVCSIGGT

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/FVCSIGGTIMHDGKOS2YW47FXHTB \
  | 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: 2d452418d3430e3329d2d62dcf96e798774df47767a7f46895beda20775798a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d358552ab667ad89509929cabe0f8e8aa4a7fe6ce5b77f0f34e25762f381171",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-03T12:59:48Z",
    "title_canon_sha256": "74c40080574e899ef4e8b2debe6bb672f59b50dd934e4102d32dbcb9683b995b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00426",
    "kind": "arxiv",
    "version": 1
  }
}