Pith Number

pith:KFZJEAZZ

pith:2018:KFZJEAZZ7K4LIWBMW6RILCJD4U

not attested not anchored not stored refs pending

Unit circle rectification of the MVDR beamformer

John R Buck, Saurav R Tuladhar

arxiv:1807.01237 v1 · 2018-06-30 · eess.SP · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFZJEAZZ7K4LIWBMW6RILCJD4U}

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	2026-05-18T00:01:58.817157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5172920339fab8b4582cb7a2858923e53ef9adfbfb4c82a81c1de7e4bb0fe175

Aliases

arxiv: 1807.01237 · arxiv_version: 1807.01237v1 · doi: 10.48550/arxiv.1807.01237 · pith_short_12: KFZJEAZZ7K4L · pith_short_16: KFZJEAZZ7K4LIWBM · pith_short_8: KFZJEAZZ

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/KFZJEAZZ7K4LIWBMW6RILCJD4U \
  | 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: 5172920339fab8b4582cb7a2858923e53ef9adfbfb4c82a81c1de7e4bb0fe175

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbce005ed5e66e8424177d6ce0e5448cd36187b6479dc97d1c1c92aa65c5033c",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-06-30T21:19:00Z",
    "title_canon_sha256": "94c35f8343fd90a78cd9def712a64d4a2e70e982f890911bf4b6fc8c8998deb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01237",
    "kind": "arxiv",
    "version": 1
  }
}