Pith Number

pith:RTME4JCA

pith:2011:RTME4JCAIGEHSV7IZLBFI7B24W

not attested not anchored not stored refs pending

Improving Energy Efficiency Through Multimode Transmission in the Downlink MIMO Systems

Chengwen Yu, Jie Xu, Ling Qiu

arxiv:1107.2499 v2 · 2011-07-13 · 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{RTME4JCAIGEHSV7IZLBFI7B24W}

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	2026-05-18T04:04:18.960241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cd84e244041887957e8cac2547c3ae58db1b2b0f6f33536d662c11745a54c9b

Aliases

arxiv: 1107.2499 · arxiv_version: 1107.2499v2 · doi: 10.48550/arxiv.1107.2499 · pith_short_12: RTME4JCAIGEH · pith_short_16: RTME4JCAIGEHSV7I · pith_short_8: RTME4JCA

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/RTME4JCAIGEHSV7IZLBFI7B24W \
  | 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: 8cd84e244041887957e8cac2547c3ae58db1b2b0f6f33536d662c11745a54c9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "458fc13ed1c0a3d438240f95e70a8a974d44cd747394f5ec1d712a46b5576ca0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-07-13T09:35:45Z",
    "title_canon_sha256": "d8d8f62fa550c31f6b633eca061c19e6a35cb3377bbcad57eedcb5d36e9ed868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2499",
    "kind": "arxiv",
    "version": 2
  }
}