Pith Number

pith:F5POPHZ5

pith:2013:F5POPHZ5GTUIOAEK7G5Y43LVXU

not attested not anchored not stored refs pending

Message Passing Algorithm for Distributed Downlink Regularized Zero-forcing Beamforming with Cooperative Base Stations

Chao-Kai Wen, Jung-Chieh Chen, Kai-Kit Wong, Pangan Ting

arxiv:1303.6387 v1 · 2013-03-26 · 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{F5POPHZ5GTUIOAEK7G5Y43LVXU}

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	2026-05-18T03:29:49.582884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5ee79f3d34e887008af9bb8e6d75bd0a3eb07c719f215798ff78cce90efc9b

Aliases

arxiv: 1303.6387 · arxiv_version: 1303.6387v1 · doi: 10.48550/arxiv.1303.6387 · pith_short_12: F5POPHZ5GTUI · pith_short_16: F5POPHZ5GTUIOAEK · pith_short_8: F5POPHZ5

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/F5POPHZ5GTUIOAEK7G5Y43LVXU \
  | 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: 2f5ee79f3d34e887008af9bb8e6d75bd0a3eb07c719f215798ff78cce90efc9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9008a2cba6fc9c310d551fbde702d0b196d1ecc38440fe1a34e27570fe579111",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-26T05:44:36Z",
    "title_canon_sha256": "e9734abf64483c0166d4333929c4c541200cf40d81b6ad41768475d403dc893a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6387",
    "kind": "arxiv",
    "version": 1
  }
}