pith. sign in
Pith Number

pith:XS6XIESB

pith:2014:XS6XIESBCYFVUS7MS7KTL37DRU
not attested not anchored not stored refs pending

Distributed Compressive CSIT Estimation and Feedback for FDD Multi-user Massive MIMO Systems

Vincent K. N. Lau, Xiongbin Rao

arxiv:1405.2786 v1 · 2014-05-12 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XS6XIESBCYFVUS7MS7KTL37DRU}

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 2026-05-18T01:43:15.057764Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bcbd741241160b5a4bec97d535efe38d07693cd8d5033c0008548e694e2e6f87

Aliases

arxiv: 1405.2786 · arxiv_version: 1405.2786v1 · doi: 10.48550/arxiv.1405.2786 · pith_short_12: XS6XIESBCYFV · pith_short_16: XS6XIESBCYFVUS7M · pith_short_8: XS6XIESB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XS6XIESBCYFVUS7MS7KTL37DRU \
  | 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: bcbd741241160b5a4bec97d535efe38d07693cd8d5033c0008548e694e2e6f87
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2fc3f101fccdedde48bb16033e18aeb852040689b2c2434b7432f142053f114b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-12T14:41:44Z",
    "title_canon_sha256": "8dadc29c6c8c60eb7664ef52112481c9dc17c524bd2a1e608010314a2862ff6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2786",
    "kind": "arxiv",
    "version": 1
  }
}