Pith Number

pith:ZR7M24UF

pith:2017:ZR7M24UFRKKN32TMTNMGFUWLXC

not attested not anchored not stored refs pending

Spatial Mode Diversity for Robust Free-Space Optical Communications

Andrew Forbes, Carmelo Rosales-Guzm\'an, Ling Cheng, Mitchell A. Cox

arxiv:1711.06549 v1 · 2017-11-15 · eess.SP · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZR7M24UFRKKN32TMTNMGFUWLXC}

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	2026-05-18T00:07:37.726904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc7ecd72858a94ddea6c9b5862d2cbb8a977a2cc67f7db6f49374af686fbb6b5

Aliases

arxiv: 1711.06549 · arxiv_version: 1711.06549v1 · doi: 10.48550/arxiv.1711.06549 · pith_short_12: ZR7M24UFRKKN · pith_short_16: ZR7M24UFRKKN32TM · pith_short_8: ZR7M24UF

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/ZR7M24UFRKKN32TMTNMGFUWLXC \
  | 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: cc7ecd72858a94ddea6c9b5862d2cbb8a977a2cc67f7db6f49374af686fbb6b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4fc3493bc54c720f9f3ca7039db42a135c6accb580c94df1d50bd6046e62e1c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-11-15T10:49:29Z",
    "title_canon_sha256": "0598e76fd733f22b289d773cbe9aeb889b3f94c9d499f4e7b91d36272833c605"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06549",
    "kind": "arxiv",
    "version": 1
  }
}