Pith Number

pith:CHGIVNPN

pith:2021:CHGIVNPNE2EJ6Y4MOHHOL7SFY2

not attested not anchored not stored refs pending

A Survey on Millimeter-Wave Beamforming Enabled UAV Communications and Networking

Lipeng Zhu, Pengfei Yi, Robert Schober, Rui Zhang, Xiang-Gen Xia, Yanming Liu, Zhenyu Xiao

arxiv:2104.09204 v2 · 2021-04-19 · 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{CHGIVNPNE2EJ6Y4MOHHOL7SFY2}

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	2026-07-05T03:25:13.513604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11cc8ab5ed26889f638c71cee5fe45c698e0d6d8790c45ae1a8a346d7c64e174

Aliases

arxiv: 2104.09204 · arxiv_version: 2104.09204v2 · doi: 10.48550/arxiv.2104.09204 · pith_short_12: CHGIVNPNE2EJ · pith_short_16: CHGIVNPNE2EJ6Y4M · pith_short_8: CHGIVNPN

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/CHGIVNPNE2EJ6Y4MOHHOL7SFY2 \
  | 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: 11cc8ab5ed26889f638c71cee5fe45c698e0d6d8790c45ae1a8a346d7c64e174

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30f6c822f655475e1e360aa25ec5dba8dc445909e752043eb53e0269d731dd03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-04-19T11:04:15Z",
    "title_canon_sha256": "4890b238b302db4b1f68ecfdcee5fb526b0754dfa189966019f5a4dc92279c57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09204",
    "kind": "arxiv",
    "version": 2
  }
}