Pith Number

pith:XNHE2ZI5

pith:2014:XNHE2ZI5NULTZBN45WRLTU47MM

not attested not anchored not stored refs pending

Energy Efficiency Optimization for MIMO-OFDM Mobile Multimedia Communication Systems with QoS Constraints

Cheng-Xiang Wang, Min Chen, Qiang Li, Tao Han, Xiaohu Ge, Xi Huang, Yuming Wang

arxiv:1412.6130 v1 · 2014-12-17 · cs.IT · cs.MM · cs.NI · 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{XNHE2ZI5NULTZBN45WRLTU47MM}

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	2026-05-18T02:30:54.353347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb4e4d651d6d173c85bceda2b9d39f631f6a4cd14c6e5cbd122293d98aa42b03

Aliases

arxiv: 1412.6130 · arxiv_version: 1412.6130v1 · doi: 10.48550/arxiv.1412.6130 · pith_short_12: XNHE2ZI5NULT · pith_short_16: XNHE2ZI5NULTZBN4 · pith_short_8: XNHE2ZI5

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/XNHE2ZI5NULTZBN45WRLTU47MM \
  | 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: bb4e4d651d6d173c85bceda2b9d39f631f6a4cd14c6e5cbd122293d98aa42b03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d4501ddc71f2df8b2d42ca1a6a2cab518b89cc2f021b9da2094c372f7c3fa14",
    "cross_cats_sorted": [
      "cs.MM",
      "cs.NI",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-12-17T09:40:09Z",
    "title_canon_sha256": "81171cb69f2da4b55918cbcacac68e9f3e9cd7e20cd19edc7a6c456002b60bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6130",
    "kind": "arxiv",
    "version": 1
  }
}