Pith Number

pith:RB7KLCEK

pith:2019:RB7KLCEKN2BI366E7VVDBPY5HT

not attested not anchored not stored refs pending

Aggregate Hardware Impairments Over Mixed RF/FSO Relaying Systems With Outdated CSI

Bassem Khalfi, Bechir Hamdaoui, Elyes Balti, Mohsen Guizani

arxiv:1902.03177 v1 · 2019-01-16 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RB7KLCEKN2BI366E7VVDBPY5HT}

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	2026-05-17T23:54:27.720412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887ea5888a6e828dfbc4fd6a30bf1d3cd4fdb4a5a63cc7605f31a5e0eb6bfe6a

Aliases

arxiv: 1902.03177 · arxiv_version: 1902.03177v1 · doi: 10.48550/arxiv.1902.03177 · pith_short_12: RB7KLCEKN2BI · pith_short_16: RB7KLCEKN2BI366E · pith_short_8: RB7KLCEK

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/RB7KLCEKN2BI366E7VVDBPY5HT \
  | 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: 887ea5888a6e828dfbc4fd6a30bf1d3cd4fdb4a5a63cc7605f31a5e0eb6bfe6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cc060e4b76b203f5235c0c29690bdff794f6b6b9486dc18d7c40897197372ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-01-16T02:12:42Z",
    "title_canon_sha256": "7dee400c1b504cff01d937e368ea77441ee337164f2b4802bcfbe3ff477b21a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03177",
    "kind": "arxiv",
    "version": 1
  }
}