Pith Number

pith:QTB3GMCI

pith:2023:QTB3GMCIF2ZQXZ3WSLIA6DVOS5

not attested not anchored not stored refs pending

A Tutorial on Holographic MIMO Communications--Part III: Open Opportunities and Challenges

Chau Yuen, Chongwen Huang, H. Vincent Poor, Jiancheng An, Lajos Hanzo, Merouane Debbah

arxiv:2305.15731 v1 · 2023-05-25 · 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{QTB3GMCIF2ZQXZ3WSLIA6DVOS5}

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	2026-07-05T06:13:44.031345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c3b330482eb30be77692d00f0eae975793ef4c2ab7e38bfbd5e3f0b015a834

Aliases

arxiv: 2305.15731 · arxiv_version: 2305.15731v1 · doi: 10.48550/arxiv.2305.15731 · pith_short_12: QTB3GMCIF2ZQ · pith_short_16: QTB3GMCIF2ZQXZ3W · pith_short_8: QTB3GMCI

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/QTB3GMCIF2ZQXZ3WSLIA6DVOS5 \
  | 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: 84c3b330482eb30be77692d00f0eae975793ef4c2ab7e38bfbd5e3f0b015a834

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48b5e20d0320de0b94fd0992b4cf941e5e18a14abf40e243015600e9df1a6bea",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2023-05-25T05:30:05Z",
    "title_canon_sha256": "f23e6793556a7eaeae9f81c1521609a9d90a5f3f926cc59fd870580e4b385b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.15731",
    "kind": "arxiv",
    "version": 1
  }
}