Pith Number

pith:267SLWEI

pith:2016:267SLWEIPH6N424OEB24PG2UXD

not attested not anchored not stored refs pending

Channel Training for Analog FDD Repeaters: Optimal Estimators and Cram\'er-Rao Bounds

Stefan Wesemann, Thomas L. Marzetta

arxiv:1610.03260 v2 · 2016-10-11 · 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{267SLWEIPH6N424OEB24PG2UXD}

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	2026-05-18T00:30:06.419633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7bf25d88879fcde6b8e2075c79b54b8f32b5f98597d7063f374912e152a7e13

Aliases

arxiv: 1610.03260 · arxiv_version: 1610.03260v2 · doi: 10.48550/arxiv.1610.03260 · pith_short_12: 267SLWEIPH6N · pith_short_16: 267SLWEIPH6N424O · pith_short_8: 267SLWEI

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/267SLWEIPH6N424OEB24PG2UXD \
  | 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: d7bf25d88879fcde6b8e2075c79b54b8f32b5f98597d7063f374912e152a7e13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c5fbcd7cc0a5375d21fb109f80640042a62db722cc6891c97aa9cd1fe88ee6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-10-11T10:03:14Z",
    "title_canon_sha256": "27ce2932dbd81f5367380960138fed8c528ac84ded236291dbb2569a8e13c600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03260",
    "kind": "arxiv",
    "version": 2
  }
}