Pith Number

pith:D7JCW56I

pith:2019:D7JCW56IGUOXAJTHS2M7D7XU6O

not attested not anchored not stored refs pending

An Alternating Direction Algorithm for Hybrid Precoding and Combining in Millimeter Wave MIMO Systems

Jo\~ao Pavia, Jo\~ao Silva, Marco Ribeiro, Nuno Souto

arxiv:1903.12441 v1 · 2019-03-29 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7JCW56IGUOXAJTHS2M7D7XU6O}

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	2026-05-17T23:49:54.010621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd22b77c8351d7026679699f1fef4f3a00995f51d54e41efad1f330d3ba1c04

Aliases

arxiv: 1903.12441 · arxiv_version: 1903.12441v1 · doi: 10.48550/arxiv.1903.12441 · pith_short_12: D7JCW56IGUOX · pith_short_16: D7JCW56IGUOXAJTH · pith_short_8: D7JCW56I

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/D7JCW56IGUOXAJTHS2M7D7XU6O \
  | 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: 1fd22b77c8351d7026679699f1fef4f3a00995f51d54e41efad1f330d3ba1c04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b67f2a396f43d9dd134c6ae2d40bfd2e83d1f9c3079d26f92191743bf3e11d7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-03-29T10:40:11Z",
    "title_canon_sha256": "04d1ded0822e3cbef98ad3570c61e8ea2c6eb87c110057990b900537a48da244"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12441",
    "kind": "arxiv",
    "version": 1
  }
}