Pith Number

pith:R6VVOCQD

pith:2015:R6VVOCQDJ3U3GW7P7B47YT3D5A

not attested not anchored not stored refs pending

Compressed Channel Feedback for Correlated Massive MIMO Systems

Chan-Byoung Chae, Jeonghun Park, Min Soo Sim, Robert W. Heath Jr

arxiv:1503.09002 v1 · 2015-03-31 · 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{R6VVOCQDJ3U3GW7P7B47YT3D5A}

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	2026-05-18T02:19:51.650957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fab570a034ee9b35beff879fc4f63e818be09e7e010969719dd629a99be261d

Aliases

arxiv: 1503.09002 · arxiv_version: 1503.09002v1 · doi: 10.48550/arxiv.1503.09002 · pith_short_12: R6VVOCQDJ3U3 · pith_short_16: R6VVOCQDJ3U3GW7P · pith_short_8: R6VVOCQD

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/R6VVOCQDJ3U3GW7P7B47YT3D5A \
  | 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: 8fab570a034ee9b35beff879fc4f63e818be09e7e010969719dd629a99be261d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68e2d70bb39c7033526d2750e13a339bdb71fa7d22c1bf75341b5db5e47e0386",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-31T10:45:52Z",
    "title_canon_sha256": "68fd7b5659ffe91f5415351ffea36f7ce216eb40b4eae77f57a429c476d77da9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.09002",
    "kind": "arxiv",
    "version": 1
  }
}