Pith Number

pith:QOUBOWUK

pith:2018:QOUBOWUKAHCYJYNPS2TNKVC47S

not attested not anchored not stored refs pending

The information and wave-theoretic limits of analog beamforming

Amine Mezghani, Robert W. Heath

arxiv:1803.00586 v1 · 2018-03-01 · 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{QOUBOWUKAHCYJYNPS2TNKVC47S}

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	2026-05-18T00:22:08.427699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a8175a8a01c584e1af96a6d5545cfcbc75603cfd6a15ade3763d2d3c512b5c

Aliases

arxiv: 1803.00586 · arxiv_version: 1803.00586v1 · doi: 10.48550/arxiv.1803.00586 · pith_short_12: QOUBOWUKAHCY · pith_short_16: QOUBOWUKAHCYJYNP · pith_short_8: QOUBOWUK

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/QOUBOWUKAHCYJYNPS2TNKVC47S \
  | 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: 83a8175a8a01c584e1af96a6d5545cfcbc75603cfd6a15ade3763d2d3c512b5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "628f5ee438b0d5d296e50e1ff73c03229253dfb10f3b1705e0ace5f3a38ae2e0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-03-01T19:03:25Z",
    "title_canon_sha256": "bfa429eb592098d9b4b7c6d2abf4ae56b97755bcd286b8717f884f04952ddf40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00586",
    "kind": "arxiv",
    "version": 1
  }
}