Pith Number

pith:LUI2CRWR

pith:2017:LUI2CRWROWDWJODPWPVO4DE4FH

not attested not anchored not stored refs pending

Channel reciprocity calibration in TDD hybrid beamforming massive MIMO systems

Florian Kaltenberger, Xiwen Jiang

arxiv:1708.07811 v1 · 2017-08-25 · 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{LUI2CRWROWDWJODPWPVO4DE4FH}

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	2026-05-18T00:11:43.015922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d11a146d1758764b86fb3eaee0c9c29de8ca6d9a3c8196245de207c35473e46

Aliases

arxiv: 1708.07811 · arxiv_version: 1708.07811v1 · doi: 10.48550/arxiv.1708.07811 · pith_short_12: LUI2CRWROWDW · pith_short_16: LUI2CRWROWDWJODP · pith_short_8: LUI2CRWR

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/LUI2CRWROWDWJODPWPVO4DE4FH \
  | 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: 5d11a146d1758764b86fb3eaee0c9c29de8ca6d9a3c8196245de207c35473e46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cb3067bd09673735a2881096db1d6390392c484fe8fbe8a26f6f3b598bc1b7f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-08-25T17:08:13Z",
    "title_canon_sha256": "eb9e54fdf12aa9d5f32f048d2614cd0f2b409fe0f8d0326da82897f5e6efd350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07811",
    "kind": "arxiv",
    "version": 1
  }
}