Pith Number

pith:O54NSJWZ

pith:2021:O54NSJWZOPO5DNQHLLGKYDJZ73

not attested not anchored not stored refs pending

Wireless Communication with Extremely Large-Scale Intelligent Reflecting Surface

Chao Feng, Haiquan Lu, Rui Zhang, Shi Jin, Yong Zeng

arxiv:2106.06106 v1 · 2021-06-11 · 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{O54NSJWZOPO5DNQHLLGKYDJZ73}

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	2026-07-05T02:48:26.155074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7778d926d973ddd1b6075accac0d39fedb08fb3a162654d83a2baf4c14c04a71

Aliases

arxiv: 2106.06106 · arxiv_version: 2106.06106v1 · doi: 10.48550/arxiv.2106.06106 · pith_short_12: O54NSJWZOPO5 · pith_short_16: O54NSJWZOPO5DNQH · pith_short_8: O54NSJWZ

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/O54NSJWZOPO5DNQHLLGKYDJZ73 \
  | 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: 7778d926d973ddd1b6075accac0d39fedb08fb3a162654d83a2baf4c14c04a71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e523d2b956155cd8d15d0821cb4ba0379577452d23d8a9f256ea5b71829adda0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-06-11T01:14:41Z",
    "title_canon_sha256": "7c79b5cff7fdb11662c06f3e1bb9630d50ba81892d189aa424afef6a1641c6ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06106",
    "kind": "arxiv",
    "version": 1
  }
}