Pith Number

pith:O34DMRJT

pith:2021:O34DMRJT7T4L3KDZGAJU54JCH4

not attested not anchored not stored refs pending

Joint Active and Passive Beamforming Design for IRS-Assisted Multi-User MIMO Systems: A VAMP-Based Approach

Amine Mezghani, and Ekram Hossain, Faouzi Bellili, Haseeb ur Rehman

arxiv:2102.01232 v3 · 2021-02-01 · 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{O34DMRJT7T4L3KDZGAJU54JCH4}

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	2026-07-05T02:49:52.997089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76f8364533fcf8bda87930134ef1223f1ed6f00f15e9a801259d2af7d8f72bcf

Aliases

arxiv: 2102.01232 · arxiv_version: 2102.01232v3 · doi: 10.48550/arxiv.2102.01232 · pith_short_12: O34DMRJT7T4L · pith_short_16: O34DMRJT7T4L3KDZ · pith_short_8: O34DMRJT

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/O34DMRJT7T4L3KDZGAJU54JCH4 \
  | 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: 76f8364533fcf8bda87930134ef1223f1ed6f00f15e9a801259d2af7d8f72bcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2708dd135ec4537a5b479bdad39dd24b77097fd03c8bf167d31d56cb396cf9f8",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-02-01T23:42:24Z",
    "title_canon_sha256": "d7cc3b0dba6794f95317592ba43da6d9e120edadaa9fbf5900244255dd4396db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01232",
    "kind": "arxiv",
    "version": 3
  }
}