Pith Number

pith:LKRG4FUZ

pith:2012:LKRG4FUZAD2VL35KXXSIBIGWMP

not attested not anchored not stored refs pending

Exact Cramer-Rao Bounds for Semi-blind Channel Estimation in Amplify-and-Forward Two-Way Relay Networks

Ioannis N. Psaromiligkos, Saeed Abdallah

arxiv:1207.5483 v1 · 2012-07-23 · 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{LKRG4FUZAD2VL35KXXSIBIGWMP}

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	2026-05-18T03:50:23.318563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aa26e169900f555efaabde480a0d663f9e76191de6473b6e5b7527c878dfec0

Aliases

arxiv: 1207.5483 · arxiv_version: 1207.5483v1 · doi: 10.48550/arxiv.1207.5483 · pith_short_12: LKRG4FUZAD2V · pith_short_16: LKRG4FUZAD2VL35K · pith_short_8: LKRG4FUZ

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/LKRG4FUZAD2VL35KXXSIBIGWMP \
  | 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: 5aa26e169900f555efaabde480a0d663f9e76191de6473b6e5b7527c878dfec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5629c0b236ff9afb489cdbe3472217e72d56f954cef2ac11dfc18954b242ef13",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-07-23T18:56:40Z",
    "title_canon_sha256": "c78db9f2838561fc4d7114f6284c5507a63d38cd1ef05c62bd6e281eee65dbf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5483",
    "kind": "arxiv",
    "version": 1
  }
}