Pith Number

pith:CIJTJTGI

pith:2010:CIJTJTGIGGETCNXJAVBVCZ3Q2O

not attested not anchored not stored refs pending

Compressed Sensing for Feedback Reduction in MIMO Broadcast Channels

Hamid Reza Bahrami, Mohammed Eltayeb, Syed Qaseem, Tareq Al-Naffouri

arxiv:1012.5454 v2 · 2010-12-25 · 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{CIJTJTGIGGETCNXJAVBVCZ3Q2O}

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	2026-05-18T02:27:06.305460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

121334ccc831893136e90543516770d394ee5c6d7f7b8e5f32cf0a6d0330aec5

Aliases

arxiv: 1012.5454 · arxiv_version: 1012.5454v2 · doi: 10.48550/arxiv.1012.5454 · pith_short_12: CIJTJTGIGGET · pith_short_16: CIJTJTGIGGETCNXJ · pith_short_8: CIJTJTGI

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/CIJTJTGIGGETCNXJAVBVCZ3Q2O \
  | 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: 121334ccc831893136e90543516770d394ee5c6d7f7b8e5f32cf0a6d0330aec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86918c2d4f00d73727c6519c6b7c6eadce82fc8f8967e7f9dd97719b70b1acaa",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-12-25T05:54:06Z",
    "title_canon_sha256": "19fc55d0097bff033da19cc85d70935e4edc377aacf56db27cbe471c0d8deaf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5454",
    "kind": "arxiv",
    "version": 2
  }
}