Pith Number

pith:WU67GZH4

pith:2021:WU67GZH4T2NRE7LIYKWF2W3H3B

not attested not anchored not stored refs pending

On the Ergodic Capacity of Reconfigurable Intelligent Surface (RIS)-Aided MIMO Channels

Chongjun Ouyang, Hao Xu, Hongwen Yang, Xujie Zang

arxiv:2106.10444 v3 · 2021-06-19 · 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{WU67GZH4T2NRE7LIYKWF2W3H3B}

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	2026-07-05T04:49:29.320981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53df364fc9e9b127d68c2ac5d5b67d8674c02dd50fbc7542ad75e701e4e640f

Aliases

arxiv: 2106.10444 · arxiv_version: 2106.10444v3 · doi: 10.48550/arxiv.2106.10444 · pith_short_12: WU67GZH4T2NR · pith_short_16: WU67GZH4T2NRE7LI · pith_short_8: WU67GZH4

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/WU67GZH4T2NRE7LIYKWF2W3H3B \
  | 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: b53df364fc9e9b127d68c2ac5d5b67d8674c02dd50fbc7542ad75e701e4e640f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f364f94d7dd158e91b6b6f2c25bb933a10a399f35921d082347fc321a4ec42fc",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-06-19T07:20:22Z",
    "title_canon_sha256": "d4382b34e36a87c6d3b270fe64ba22133445f659384b03c7a2f2cbd4ad522353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10444",
    "kind": "arxiv",
    "version": 3
  }
}