Pith Number

pith:R5KQMOF7

pith:2021:R5KQMOF7BYPFNOQIMWCVY7PFI7

not attested not anchored not stored refs pending

Cluster-based Characterization and Modeling for UAV Air-to-Ground Time-Varying Channels

Bo Ai, C\'esar Briso-Rodr\'iguez, Claude Oestges, Ke Guan, Zhangdui Zhong, Zhuangzhuang Cui

arxiv:2108.11902 v1 · 2021-08-26 · 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{R5KQMOF7BYPFNOQIMWCVY7PFI7}

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	2026-07-05T03:09:10.787791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f550638bf0e1e56ba0865855c7de547c9b7c01f30e8e6a089045f6e710d2580

Aliases

arxiv: 2108.11902 · arxiv_version: 2108.11902v1 · doi: 10.48550/arxiv.2108.11902 · pith_short_12: R5KQMOF7BYPF · pith_short_16: R5KQMOF7BYPFNOQI · pith_short_8: R5KQMOF7

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/R5KQMOF7BYPFNOQIMWCVY7PFI7 \
  | 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: 8f550638bf0e1e56ba0865855c7de547c9b7c01f30e8e6a089045f6e710d2580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15ff294f71a544f9b36f57e7cd6b6942b148c328e4243cb9e9fab44b51181b7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-08-26T16:50:27Z",
    "title_canon_sha256": "b8b5ccbdc18f209fb537195ae3361f51a9efd62fb7ead16c12b4c21af94f1adf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11902",
    "kind": "arxiv",
    "version": 1
  }
}