Pith Number

pith:4JJVDHQX

pith:2017:4JJVDHQXIO5OKOSJY42DYPGCLK

not attested not anchored not stored refs pending

Multiuser Millimeter Wave MIMO Channel Estimation with Hybrid Beamforming

Carmen D'Andrea, Stefano Buzzi

arxiv:1704.06764 v1 · 2017-04-22 · 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{4JJVDHQXIO5OKOSJY42DYPGCLK}

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	2026-05-18T00:45:57.689064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e253519e1743bae53a49c7343c3cc25a94455356ec3f3bc8c4e3f928f232fa18

Aliases

arxiv: 1704.06764 · arxiv_version: 1704.06764v1 · doi: 10.48550/arxiv.1704.06764 · pith_short_12: 4JJVDHQXIO5O · pith_short_16: 4JJVDHQXIO5OKOSJ · pith_short_8: 4JJVDHQX

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/4JJVDHQXIO5OKOSJY42DYPGCLK \
  | 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: e253519e1743bae53a49c7343c3cc25a94455356ec3f3bc8c4e3f928f232fa18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1779f6622c60a49d2175ddec868a6a52393b0f054e2f4098de4618a671a092ab",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-22T08:24:32Z",
    "title_canon_sha256": "ca0637e0d6a0f8ecf53ab89ad95b40e4b05a7820cddcad521e16f564763ba9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06764",
    "kind": "arxiv",
    "version": 1
  }
}