Pith Number

pith:ZT5KYF75

pith:2021:ZT5KYF753FGCYPML2JTJJNIAUN

not attested not anchored not stored refs pending

Two-Timescale Design for Reconfigurable Intelligent Surface-Aided Massive MIMO Systems with Imperfect CSI

Cunhua Pan, Hong Ren, H. Vincent Poor, Jiangzhou Wang, Kangda Zhi, Kezhi Wang, Lajos Hanzo, Maged Elkashlan, Marco Di Renzo, Robert Schober

arxiv:2108.07622 v4 · 2021-08-17 · cs.IT · eess.SP · 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{ZT5KYF753FGCYPML2JTJJNIAUN}

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	2026-07-05T05:06:51.926571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccfaac17fdd94c2c3d8bd26694b500a343b7e859d43cd50e92748c8329ec4782

Aliases

arxiv: 2108.07622 · arxiv_version: 2108.07622v4 · doi: 10.48550/arxiv.2108.07622 · pith_short_12: ZT5KYF753FGC · pith_short_16: ZT5KYF753FGCYPML · pith_short_8: ZT5KYF75

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/ZT5KYF753FGCYPML2JTJJNIAUN \
  | 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: ccfaac17fdd94c2c3d8bd26694b500a343b7e859d43cd50e92748c8329ec4782

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "766f9eb3731b4a8b495829e0383354cb3776c31307d1747156acb9f022f40c21",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-08-17T13:51:12Z",
    "title_canon_sha256": "86ad1b5447c6405fcf2888cb55fabc8e2d1bdb5989d9bef3d2f96e3dccce641f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07622",
    "kind": "arxiv",
    "version": 4
  }
}