Pith Number

pith:V5HK3L76

pith:2019:V5HK3L76LULWIGVZDN627QRAD3

not attested not anchored not stored refs pending

Spatial Beam Tracking and Data Detection for an FSO Link to a UAV in the Presence of Hovering Fluctuations

Akbar Dargahi, Hossein Safi, Julian Cheng

arxiv:1904.03774 v1 · 2019-04-07 · eess.SP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V5HK3L76LULWIGVZDN627QRAD3}

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	2026-05-17T23:49:08.174105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af4eadaffe5d17641ab91b7dafc2201ee965c668dd66ac90fe921557f67e18cf

Aliases

arxiv: 1904.03774 · arxiv_version: 1904.03774v1 · doi: 10.48550/arxiv.1904.03774 · pith_short_12: V5HK3L76LULW · pith_short_16: V5HK3L76LULWIGVZ · pith_short_8: V5HK3L76

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/V5HK3L76LULWIGVZDN627QRAD3 \
  | 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: af4eadaffe5d17641ab91b7dafc2201ee965c668dd66ac90fe921557f67e18cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1dd179b509d4bfb2b37280f8a07adeb9867db5340bcbd61c6b6549df3b999f8",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-04-07T23:40:50Z",
    "title_canon_sha256": "633527d0c95455430f99966ddcafdca0b96dfa6b6a529ec8d927158ab3289247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03774",
    "kind": "arxiv",
    "version": 1
  }
}