Pith Number

pith:4HJ25HDI

pith:2019:4HJ25HDIRIRGE6U2QHCJUZNC5K

not attested not anchored not stored refs pending

Linearizing Active Antenna Arrays: Method and Measurements

Alberto Brihuega, Lauri Anttila, Mahmoud Abdelaziz, Matias Turunen, Mikko Valkama, Thomas Eriksson

arxiv:1907.07959 v1 · 2019-07-18 · 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{4HJ25HDIRIRGE6U2QHCJUZNC5K}

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	2026-05-17T23:40:15.564698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d3ae9c688a22627a9a81c49a65a2eabe031cdb83db628206125ac5efca765b

Aliases

arxiv: 1907.07959 · arxiv_version: 1907.07959v1 · doi: 10.48550/arxiv.1907.07959 · pith_short_12: 4HJ25HDIRIRG · pith_short_16: 4HJ25HDIRIRGE6U2 · pith_short_8: 4HJ25HDI

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/4HJ25HDIRIRGE6U2QHCJUZNC5K \
  | 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: e1d3ae9c688a22627a9a81c49a65a2eabe031cdb83db628206125ac5efca765b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fcab31663312278282c5fc37b237ddf19949134a979706a90b1c8323396c001",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-07-18T10:03:07Z",
    "title_canon_sha256": "6ecb42e6b5bf0bd62ff2ea18370153d413dc9607b0411094a96517b258f2245a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07959",
    "kind": "arxiv",
    "version": 1
  }
}