Pith Number

pith:VNWV5VWZ

pith:2019:VNWV5VWZHJDLIX32ETNJHKLDFN

not attested not anchored not stored refs pending

A DoA Estimation Based Robust Beam Forming Method for UAV-BS Communication

Chunbo Luo, Dechun Guo, Geyong Min, JianMing Zhou, Tianxiao Zhao, Wang Miao, Yang Mi

arxiv:1905.04921 v2 · 2019-05-13 · 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{VNWV5VWZHJDLIX32ETNJHKLDFN}

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	2026-07-05T01:33:16.739962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab6d5ed6d93a46b45f7a24da93a9632b531639a5f822780556df86258661ef8c

Aliases

arxiv: 1905.04921 · arxiv_version: 1905.04921v2 · doi: 10.48550/arxiv.1905.04921 · pith_short_12: VNWV5VWZHJDL · pith_short_16: VNWV5VWZHJDLIX32 · pith_short_8: VNWV5VWZ

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/VNWV5VWZHJDLIX32ETNJHKLDFN \
  | 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: ab6d5ed6d93a46b45f7a24da93a9632b531639a5f822780556df86258661ef8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7567b95196b83afe247a56c1e8ee7bbbfc7a0d87ebbd995db098ee8a0487f3f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-13T09:01:07Z",
    "title_canon_sha256": "bf6c4be8c8f7786906fbf2fcc422533f8f9b703b6e5c24dbed90d83b23686dc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04921",
    "kind": "arxiv",
    "version": 2
  }
}