Pith Number

pith:VKWDSJ2R

pith:2010:VKWDSJ2RUPM3CPZHHSW2QWIYZM

not attested not anchored not stored refs pending

Transceiver Design for Dual-Hop Non-regenerative MIMO-OFDM Relay Systems Under Channel Uncertainties

Chengwen Xing, Shaodan Ma, Tung-Sang Ng, Yik-Chung Wu

arxiv:1005.5577 v2 · 2010-05-31 · 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{VKWDSJ2RUPM3CPZHHSW2QWIYZM}

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	2026-05-18T02:07:06.442700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaac392751a3d9b13f273cada85918cb150da688c298bd6b35b813e88c7dc1a8

Aliases

arxiv: 1005.5577 · arxiv_version: 1005.5577v2 · doi: 10.48550/arxiv.1005.5577 · pith_short_12: VKWDSJ2RUPM3 · pith_short_16: VKWDSJ2RUPM3CPZH · pith_short_8: VKWDSJ2R

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/VKWDSJ2RUPM3CPZHHSW2QWIYZM \
  | 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: aaac392751a3d9b13f273cada85918cb150da688c298bd6b35b813e88c7dc1a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04778c11529364b83412aaa4d41bc8667b2ce5c1cecf7dc01f5700ec279ba040",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-05-31T03:45:46Z",
    "title_canon_sha256": "e6ee0b52db50c8c3874a261ebee24c567608d0b542a30a881f0f455c85ee6200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5577",
    "kind": "arxiv",
    "version": 2
  }
}