Pith Number

pith:BJKDX4H4

pith:2019:BJKDX4H4JRJFCARCPXP4MTQS2N

not attested not anchored not stored refs pending

Over the Sea UAV Based Communication

Anding Zhu, Gianluca Fontanesi, Hamed Ahmadi

arxiv:1905.04954 v1 · 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{BJKDX4H4JRJFCARCPXP4MTQS2N}

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	2026-05-17T23:46:23.002560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a543bf0fc4c525102227ddfc64e12d34aaae4c3d93237852c54236e00d58ca2

Aliases

arxiv: 1905.04954 · arxiv_version: 1905.04954v1 · doi: 10.48550/arxiv.1905.04954 · pith_short_12: BJKDX4H4JRJF · pith_short_16: BJKDX4H4JRJFCARC · pith_short_8: BJKDX4H4

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/BJKDX4H4JRJFCARCPXP4MTQS2N \
  | 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: 0a543bf0fc4c525102227ddfc64e12d34aaae4c3d93237852c54236e00d58ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31630200bf60507c81c96f94bb357b24d9947e8cc73aff0d3ad7356ec5b513fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-13T10:48:38Z",
    "title_canon_sha256": "22da80210e280d85de6096396a6b58b5116aba3ad2fd7598733564f4901d74c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04954",
    "kind": "arxiv",
    "version": 1
  }
}