pith. sign in
Pith Number

pith:ETQFWMEO

pith:2018:ETQFWMEOLQEZQ2U2LNTJYU5JSR
not attested not anchored not stored refs pending

A Survey of Channel Modeling for UAV Communications

Aziz Altaf Khuwaja, Mohamed-Slim Alouini, Nan Zhao, Paul Dobbins, Yunfei Chen

arxiv:1801.07359 v1 · 2018-01-23 · eess.SP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ETQFWMEOLQEZQ2U2LNTJYU5JSR}

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 2026-05-18T00:25:13.030995Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

24e05b308e5c09986a9a5b669c53a99463706868d7e38765d34443da2b9d02bc

Aliases

arxiv: 1801.07359 · arxiv_version: 1801.07359v1 · doi: 10.48550/arxiv.1801.07359 · pith_short_12: ETQFWMEOLQEZ · pith_short_16: ETQFWMEOLQEZQ2U2 · pith_short_8: ETQFWMEO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ETQFWMEOLQEZQ2U2LNTJYU5JSR \
  | 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: 24e05b308e5c09986a9a5b669c53a99463706868d7e38765d34443da2b9d02bc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "79179fe6e1251a62b56794ec60404ba046677117997e1790d66889bbab8a1e27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-01-23T00:49:39Z",
    "title_canon_sha256": "58cd27cff11544618266cc0a21081085e375c28c60a941f73eb11b43b8f07a0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07359",
    "kind": "arxiv",
    "version": 1
  }
}