Pith Number

pith:W7RRW2S3

pith:2015:W7RRW2S3NP4VNBNCQNW6YUMBXW

not attested not anchored not stored refs pending

Multi-beam 4 GHz Microwave Apertures Using Current-Mode DFT Approximation on 65 nm CMOS

A. Madanayake, D. Suarez, F. M. Bayer, L. Belostotski, R. J. Cintra, S. Kulasekera, V. Ariyarathna

arxiv:1505.06345 v1 · 2015-05-23 · 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{W7RRW2S3NP4VNBNCQNW6YUMBXW}

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	2026-05-18T00:58:10.753775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7e31b6a5b6bf95685a2836dec5181bdb0a8ebdf7411eea1a40b6cdaee9c25ae

Aliases

arxiv: 1505.06345 · arxiv_version: 1505.06345v1 · doi: 10.48550/arxiv.1505.06345 · pith_short_12: W7RRW2S3NP4V · pith_short_16: W7RRW2S3NP4VNBNC · pith_short_8: W7RRW2S3

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/W7RRW2S3NP4VNBNCQNW6YUMBXW \
  | 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: b7e31b6a5b6bf95685a2836dec5181bdb0a8ebdf7411eea1a40b6cdaee9c25ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "564ea3c89c7ac2e61081b8db5ab7d2653a1a96d6fa572cbf51a141fc97be0d44",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-23T15:37:19Z",
    "title_canon_sha256": "567b9f464d591d0c415c8644c77470919e467f1c63456d1094d194440ab4acd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06345",
    "kind": "arxiv",
    "version": 1
  }
}