Pith Number

pith:6XJ3DKO4

pith:2015:6XJ3DKO4INEOIRSVOBLDTUHS3H

not attested not anchored not stored refs pending

Structured Compressive Sensing Based Spatio-Temporal Joint Channel Estimation for FDD Massive MIMO

Byonghyo Shim, Linglong Dai, Wei Dai, Zhaocheng Wang, Zhen Gao

arxiv:1512.02918 v3 · 2015-12-09 · 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{6XJ3DKO4INEOIRSVOBLDTUHS3H}

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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	2026-05-18T00:58:09.910216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5d3b1a9dc4348e44655705639d0f2d9e2ef5b016c4f2956d467f66a524f45ab

Aliases

arxiv: 1512.02918 · arxiv_version: 1512.02918v3 · doi: 10.48550/arxiv.1512.02918 · pith_short_12: 6XJ3DKO4INEO · pith_short_16: 6XJ3DKO4INEOIRSV · pith_short_8: 6XJ3DKO4

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/6XJ3DKO4INEOIRSVOBLDTUHS3H \
  | 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: f5d3b1a9dc4348e44655705639d0f2d9e2ef5b016c4f2956d467f66a524f45ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd70e868eb7409d1829c34590d37aebc349ef30154d59329f8652184b6d519f2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-12-09T16:03:54Z",
    "title_canon_sha256": "5b2335b362349049c47e88155441435992d2a1c9640c75c633aae0152a2d903f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02918",
    "kind": "arxiv",
    "version": 3
  }
}