Pith Number

pith:SQA42JCY

pith:2019:SQA42JCYDFU2F7KSWEKWNZ6QNV

not attested not anchored not stored refs pending

Orbital Angular Momentum Multiplexing in Highly Reverberant Environments

Hongyu Shi, Jianjia Yi, Wei E. I. Sha, Wei Xue, Xiaoming Chen

arxiv:2001.11953 v1 · 2019-12-15 · 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{SQA42JCYDFU2F7KSWEKWNZ6QNV}

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	2026-07-05T00:37:35.221172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9401cd24581969a2fd52b11566e7d06d6ee54cb2db0724352b329084e6fff9c7

Aliases

arxiv: 2001.11953 · arxiv_version: 2001.11953v1 · doi: 10.48550/arxiv.2001.11953 · pith_short_12: SQA42JCYDFU2 · pith_short_16: SQA42JCYDFU2F7KS · pith_short_8: SQA42JCY

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/SQA42JCYDFU2F7KSWEKWNZ6QNV \
  | 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: 9401cd24581969a2fd52b11566e7d06d6ee54cb2db0724352b329084e6fff9c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e120abc0d482788411ec7edaff30af5401682e2a0e7b6f933005780c72729fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-12-15T03:37:51Z",
    "title_canon_sha256": "9bdc6f49b10fec227d4ccc3311968415609152af02980ae79059188c6bc1a1df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11953",
    "kind": "arxiv",
    "version": 1
  }
}