Pith Number

pith:4J6NHP5H

pith:2014:4J6NHP5HOK2MEBYDNRAIOFWVKU

not attested not anchored not stored refs pending

Channel Estimation and Optimal Training Design for Correlated MIMO Two-Way Relay Systems in Colored Environment

Hani Mehrpouyan, Meixia Tao, Rui Wang, Yingbo Hua

arxiv:1407.5161 v1 · 2014-07-19 · 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{4J6NHP5HOK2MEBYDNRAIOFWVKU}

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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	2026-05-18T02:47:14.811657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e27cd3bfa772b4c207036c408716d555127033810607b8a3d0118fb6018468cc

Aliases

arxiv: 1407.5161 · arxiv_version: 1407.5161v1 · doi: 10.48550/arxiv.1407.5161 · pith_short_12: 4J6NHP5HOK2M · pith_short_16: 4J6NHP5HOK2MEBYD · pith_short_8: 4J6NHP5H

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/4J6NHP5HOK2MEBYDNRAIOFWVKU \
  | 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: e27cd3bfa772b4c207036c408716d555127033810607b8a3d0118fb6018468cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0332c3b050d1191154340157fe6d04f22fec1070beb98da3c16b4693ed5ed5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-19T07:47:51Z",
    "title_canon_sha256": "cd9e93e72ef4b2053d901a8ce33859148a601b6b10bf8343af07323ddbb7b5c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5161",
    "kind": "arxiv",
    "version": 1
  }
}