Pith Number

pith:5GLMGG7L

pith:2019:5GLMGG7L2VQ4QUN2FJGIXG2A65

not attested not anchored not stored refs pending

Optimal Least-Squares Estimator and Precoder for Energy Beamforming over IQ-Impaired Channels

Deepak Mishra, H{\aa}kan Johansson

arxiv:1906.10181 v1 · 2019-06-24 · eess.SP · 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{5GLMGG7L2VQ4QUN2FJGIXG2A65}

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	2026-05-17T23:39:42.962086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e996c31bebd561c851ba2a4c8b9b40f7779830de8b54fd60fa5e41a8a3fbb9db

Aliases

arxiv: 1906.10181 · arxiv_version: 1906.10181v1 · doi: 10.48550/arxiv.1906.10181 · pith_short_12: 5GLMGG7L2VQ4 · pith_short_16: 5GLMGG7L2VQ4QUN2 · pith_short_8: 5GLMGG7L

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/5GLMGG7L2VQ4QUN2FJGIXG2A65 \
  | 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: e996c31bebd561c851ba2a4c8b9b40f7779830de8b54fd60fa5e41a8a3fbb9db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "970aaf3778d8d6953f0ce69980b43b5cb2f2b953530562f21b62140c703508fe",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-06-24T19:15:18Z",
    "title_canon_sha256": "8383eb6748d8b8365a1067d1d9a22b2c4e37f580e860f9060896fb9291843025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10181",
    "kind": "arxiv",
    "version": 1
  }
}