Pith Number

pith:FDSFZTCH

pith:2019:FDSFZTCH5QB2NA5P27JQU5U65E

not attested not anchored not stored refs pending

A Survey of Intelligent Reflecting Surfaces (IRSs): Towards 6G Wireless Communication Networks

Jun Zhao

arxiv:1907.04789 v3 · 2019-07-08 · eess.SP · cs.IT · cs.NI · 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{FDSFZTCH5QB2NA5P27JQU5U65E}

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.

Cited by

1 paper in Pith

On the Performance of Single/Dual Fluid Antenna Systems

Receipt and verification

First computed	2026-07-05T00:16:35.615933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e45ccc47ec03a683afd7d30a769ee92f14a48598bdc47c2905eb6b4ffa2889

Aliases

arxiv: 1907.04789 · arxiv_version: 1907.04789v3 · doi: 10.48550/arxiv.1907.04789 · pith_short_12: FDSFZTCH5QB2 · pith_short_16: FDSFZTCH5QB2NA5P · pith_short_8: FDSFZTCH

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/FDSFZTCH5QB2NA5P27JQU5U65E \
  | 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: 28e45ccc47ec03a683afd7d30a769ee92f14a48598bdc47c2905eb6b4ffa2889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161fd174c8248d0930a7bf70516ca04401cfa29b416e4261c511fc8e90ace997",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-07-08T09:38:54Z",
    "title_canon_sha256": "5ad88b75ab0749a2957ddbbc70807aa56486db49525198efbfd658a4d74652f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04789",
    "kind": "arxiv",
    "version": 3
  }
}