Pith Number

pith:NTTYYJHH

pith:2009:NTTYYJHHFWYCMCZ4QL6ZKE2Y2P

not attested not anchored not stored refs pending

Efficient Relay Beamforming Design with SIC Detection for Dual-Hop MIMO Relay Networks

Hanwen Luo, Wen Chen, Yu Zhang

arxiv:0912.1023 v2 · 2009-12-05 · cs.NI · 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{NTTYYJHHFWYCMCZ4QL6ZKE2Y2P}

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	2026-05-18T03:34:25.852302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ce78c24e72db0260b3c82fd951358d3d8eb1ddc9f4f7c90817832da3bb49461

Aliases

arxiv: 0912.1023 · arxiv_version: 0912.1023v2 · doi: 10.48550/arxiv.0912.1023 · pith_short_12: NTTYYJHHFWYC · pith_short_16: NTTYYJHHFWYCMCZ4 · pith_short_8: NTTYYJHH

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/NTTYYJHHFWYCMCZ4QL6ZKE2Y2P \
  | 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: 6ce78c24e72db0260b3c82fd951358d3d8eb1ddc9f4f7c90817832da3bb49461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "456aeadc8a1f44944f08189d3cf64ddee45c53e9b065d5c4d673468a2e994885",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2009-12-05T13:58:52Z",
    "title_canon_sha256": "118e7e0a5e22450f5af735606cbbc20319c5845ab56e315f22e93bb3ce520c88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1023",
    "kind": "arxiv",
    "version": 2
  }
}