Pith Number

pith:PCALOY6R

pith:2021:PCALOY6RF7G45XNUH47CW23FA4

not attested not anchored not stored refs pending

Low-Complexity Zero-Forcing Precoding for XL-MIMO Transmissions

Lucas N. Ribeiro, Martin Haardt, Stefan Schwarz

arxiv:2103.00971 v1 · 2021-03-01 · 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{PCALOY6RF7G45XNUH47CW23FA4}

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	2026-07-05T02:19:11.458649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7880b763d12fcdceddb43f3e2b6b650720c3158d512f04c0787acc163f0b2420

Aliases

arxiv: 2103.00971 · arxiv_version: 2103.00971v1 · doi: 10.48550/arxiv.2103.00971 · pith_short_12: PCALOY6RF7G4 · pith_short_16: PCALOY6RF7G45XNU · pith_short_8: PCALOY6R

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/PCALOY6RF7G45XNUH47CW23FA4 \
  | 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: 7880b763d12fcdceddb43f3e2b6b650720c3158d512f04c0787acc163f0b2420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c188730bd491987ee53dc4c9be1b631aeaa2c2940d1c07bad6b589a86f713cf",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-03-01T13:00:58Z",
    "title_canon_sha256": "c42f3825d5bf2667fc4a676e69aa8c3914c06bb04984d3f77f369ab5391e6554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.00971",
    "kind": "arxiv",
    "version": 1
  }
}