Pith Number

pith:QGRCO56C

pith:2011:QGRCO56CCDST6E4IDVVEEHA5US

not attested not anchored not stored refs pending

Inverse Determinant Sums and Connections Between Fading Channel Information Theory and Algebra

Hsiao-feng Lu, Laura Luzzi, Roope Vehkalahti

arxiv:1111.6289 v4 · 2011-11-27 · cs.IT · math.IT · math.NT · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QGRCO56CCDST6E4IDVVEEHA5US}

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	2026-05-18T03:11:58.350521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a22777c210e53f13881d6a421c1da49290be148a2fcec6824994313c98a88f

Aliases

arxiv: 1111.6289 · arxiv_version: 1111.6289v4 · doi: 10.48550/arxiv.1111.6289 · pith_short_12: QGRCO56CCDST · pith_short_16: QGRCO56CCDST6E4I · pith_short_8: QGRCO56C

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/QGRCO56CCDST6E4IDVVEEHA5US \
  | 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: 81a22777c210e53f13881d6a421c1da49290be148a2fcec6824994313c98a88f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f436566c258c8c4adeccb7061149d3b5aa96b98e013380a4bb9e619b192c8e84",
    "cross_cats_sorted": [
      "math.IT",
      "math.NT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-11-27T19:22:13Z",
    "title_canon_sha256": "8825d0b3dfb8e7bd766388588e6b854d70acf3610af9153e372750f6edd55ac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6289",
    "kind": "arxiv",
    "version": 4
  }
}