Pith Number

pith:DHYIRJA4

pith:2019:DHYIRJA43X5QWS7AN2OPHXTTCX

not attested not anchored not stored refs pending

Physical Layer Security for Visible Light Communication Systems: A Survey

Ali Ghrayeb, Chadi Assi, Harald Haas, Iman Tavakkolnia, Majid Safari, Mohamed Amine Arfaoui, Mohammad Dehghani Soltani

arxiv:1905.11450 v1 · 2019-05-27 · 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{DHYIRJA43X5QWS7AN2OPHXTTCX}

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	2026-05-17T23:44:53.370148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f088a41cddfb0b4be06e9cf3de7315f70386f045bbaaa2fcd7028d85f5d374

Aliases

arxiv: 1905.11450 · arxiv_version: 1905.11450v1 · doi: 10.48550/arxiv.1905.11450 · pith_short_12: DHYIRJA43X5Q · pith_short_16: DHYIRJA43X5QWS7A · pith_short_8: DHYIRJA4

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/DHYIRJA43X5QWS7AN2OPHXTTCX \
  | 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: 19f088a41cddfb0b4be06e9cf3de7315f70386f045bbaaa2fcd7028d85f5d374

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "675ce8bc196d35af55043e4a66a2a328817af258a3652f7529f63ceecab46f4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-27T19:00:59Z",
    "title_canon_sha256": "b3dc70e4c54d90a6f614b8118097c3314f552e1604202488b293e516f54f9d54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11450",
    "kind": "arxiv",
    "version": 1
  }
}