Pith Number

pith:2ODVQJGE

pith:2020:2ODVQJGED7T3D5D6XA6OFS4ZCZ

not attested not anchored not stored refs pending

Joint Approximate Covariance Diagonalization with Applications in MIMO Virtual Beam Design

Giuseppe Caire, Mahdi Barzegar Khalilsarai, Saeid Haghighatshoar

arxiv:2005.14457 v1 · 2020-05-29 · cs.IT · eess.SP · 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{2ODVQJGED7T3D5D6XA6OFS4ZCZ}

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	2026-07-05T01:06:43.923199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3875824c41fe7b1f47eb83ce2cb9916559f8a30a3babf37f0f1549eae28a2cb

Aliases

arxiv: 2005.14457 · arxiv_version: 2005.14457v1 · doi: 10.48550/arxiv.2005.14457 · pith_short_12: 2ODVQJGED7T3 · pith_short_16: 2ODVQJGED7T3D5D6 · pith_short_8: 2ODVQJGE

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/2ODVQJGED7T3D5D6XA6OFS4ZCZ \
  | 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: d3875824c41fe7b1f47eb83ce2cb9916559f8a30a3babf37f0f1549eae28a2cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93d6e3699a6edb648f4864f288ec7493704e736205595527883d8e8ff0b6d0ca",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-05-29T09:02:40Z",
    "title_canon_sha256": "5627c0b88afd04b5ee83a7e35baf194c9d09751572cace94e3414f87e5d54a33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.14457",
    "kind": "arxiv",
    "version": 1
  }
}