Pith Number

pith:D4KYQHXU

pith:2018:D4KYQHXURER2ZGQJZQ7BOUNEQ6

not attested not anchored not stored refs pending

Channel Model in Urban Environment for Unmanned Aerial Vehicle Communications

Guangyue Zhao, Lai Zhou, Shidong Zhou, Zhi Yang

arxiv:1805.04328 v1 · 2018-05-11 · cs.IT · eess.SP · 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{D4KYQHXURER2ZGQJZQ7BOUNEQ6}

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	2026-05-18T00:16:12.829606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f15881ef48923ac9a09cc3e1751a48780c11e4be442f36ff2275eabdb210b99

Aliases

arxiv: 1805.04328 · arxiv_version: 1805.04328v1 · doi: 10.48550/arxiv.1805.04328 · pith_short_12: D4KYQHXURER2 · pith_short_16: D4KYQHXURER2ZGQJ · pith_short_8: D4KYQHXU

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/D4KYQHXURER2ZGQJZQ7BOUNEQ6 \
  | 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: 1f15881ef48923ac9a09cc3e1751a48780c11e4be442f36ff2275eabdb210b99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6ae31265aa2a4650fe2942937c309be0b5c3b38b539e4038e0646225bf5d5d4",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-11T11:24:59Z",
    "title_canon_sha256": "210635acb4cd5cb208bf80f2c34e1e5d48a9fed23623c7a8d1d472f1db18d0a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04328",
    "kind": "arxiv",
    "version": 1
  }
}