Pith Number

pith:C7RFY47W

pith:2016:C7RFY47WBOQX6HGPZ2RUUV5Y7L

not attested not anchored not stored refs pending

Light fidelity (LI-FI) based indoor communication system

Farooq Aftab, Muhammad Nafees Ulfat khan, Shahzad Ali

arxiv:1606.02831 v1 · 2016-06-09 · cs.NI · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7RFY47WBOQX6HGPZ2RUUV5Y7L}

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	2026-05-18T01:12:39.890877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e25c73f60ba17f1ccfcea34a57b8fae83575fb6fd788643b95309cc145d9bb

Aliases

arxiv: 1606.02831 · arxiv_version: 1606.02831v1 · doi: 10.48550/arxiv.1606.02831 · pith_short_12: C7RFY47WBOQX · pith_short_16: C7RFY47WBOQX6HGP · pith_short_8: C7RFY47W

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/C7RFY47WBOQX6HGPZ2RUUV5Y7L \
  | 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: 17e25c73f60ba17f1ccfcea34a57b8fae83575fb6fd788643b95309cc145d9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4430077d7d0f2bed6c98f3d4251a92d45b6cd3b752e404d5552a15b0035ddac",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2016-06-09T06:17:20Z",
    "title_canon_sha256": "4157fb59195ed77563bd8eb78f22aa9778ccba5c132b7fa6fb83fc31c331e780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02831",
    "kind": "arxiv",
    "version": 1
  }
}