Pith Number

pith:S5YYRXYC

pith:2010:S5YYRXYCMVBPNKNBLU6L5P7V2W

not attested not anchored not stored refs pending

On the Full Column-Rank Condition of the Channel Estimation Matrix in Doubly-Selective MIMO-OFDM Systems

Kathik Muralidhar, Kwok Hung Li

arxiv:1010.1391 v1 · 2010-10-07 · 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{S5YYRXYCMVBPNKNBLU6L5P7V2W}

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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	2026-05-18T04:39:41.242734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

977188df026542f6a9a15d3cbebff5d5be4c966781b2f183e91889f29573c137

Aliases

arxiv: 1010.1391 · arxiv_version: 1010.1391v1 · doi: 10.48550/arxiv.1010.1391 · pith_short_12: S5YYRXYCMVBP · pith_short_16: S5YYRXYCMVBPNKNB · pith_short_8: S5YYRXYC

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/S5YYRXYCMVBPNKNBLU6L5P7V2W \
  | 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: 977188df026542f6a9a15d3cbebff5d5be4c966781b2f183e91889f29573c137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b972e73107dab633ced1a5a237d9e1d3e46c24b4a339bf807da9f6cc33a67c48",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-10-07T10:36:21Z",
    "title_canon_sha256": "fd94758839003a678c5558669c95e730a027f4fb3c894446491e9b14b1d7c114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1391",
    "kind": "arxiv",
    "version": 1
  }
}