Pith Number

pith:K4FZYGMF

pith:2021:K4FZYGMFOVR7HK3IHKMMZ6FFOO

not attested not anchored not stored refs pending

Machine Learning-Enabled Joint Antenna Selection and Precoding Design: From Offline Complexity to Online Performance

Bjorn Ottersten, Diep N. Nguyen, Dinh Thai Hoang, Marco Di Renzo, Symeon Chatzinotas, Thang X. Vu, Van-Dinh Nguyen

arxiv:2101.07004 v1 · 2021-01-18 · 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{K4FZYGMFOVR7HK3IHKMMZ6FFOO}

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	2026-07-05T02:07:39.383532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

570b9c19857563f3ab683a98ccf8a573b8c3715bb8770d4c2622b61235425e20

Aliases

arxiv: 2101.07004 · arxiv_version: 2101.07004v1 · doi: 10.48550/arxiv.2101.07004 · pith_short_12: K4FZYGMFOVR7 · pith_short_16: K4FZYGMFOVR7HK3I · pith_short_8: K4FZYGMF

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/K4FZYGMFOVR7HK3IHKMMZ6FFOO \
  | 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: 570b9c19857563f3ab683a98ccf8a573b8c3715bb8770d4c2622b61235425e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41fe96c735454e8bbfafb7b6904e6b5f3caa1bf43ea38e08d15eb562369fc5eb",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-01-18T11:09:44Z",
    "title_canon_sha256": "5978deede85c79c9f730c4bb0778c265485b3615a12f4e0e25eba008615656e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.07004",
    "kind": "arxiv",
    "version": 1
  }
}