Pith Number

pith:Y3MXOWQO

pith:2012:Y3MXOWQOEWMEFSIEUN3EVFRGXR

not attested not anchored not stored refs pending

RF engineering basic concepts: S-parameters

F. Caspers (CERN)

arxiv:1201.2346 v1 · 2012-01-11 · physics.acc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3MXOWQOEWMEFSIEUN3EVFRGXR}

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	2026-05-18T04:04:52.534207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6d9775a0e259842c904a3764a9626bc5e50125394cec808a302a1d84c349eae

Aliases

arxiv: 1201.2346 · arxiv_version: 1201.2346v1 · doi: 10.48550/arxiv.1201.2346 · pith_short_12: Y3MXOWQOEWME · pith_short_16: Y3MXOWQOEWMEFSIE · pith_short_8: Y3MXOWQO

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/Y3MXOWQOEWMEFSIEUN3EVFRGXR \
  | 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: c6d9775a0e259842c904a3764a9626bc5e50125394cec808a302a1d84c349eae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "643783bc99892b7862ec9258f30829e81657401d16b373ad5bcb5d04b87a8f89",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2012-01-11T16:41:22Z",
    "title_canon_sha256": "01f5a181b8aaa11f4279da85badd4754a7e5f3efb08fa4015d2f0bbe504837d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2346",
    "kind": "arxiv",
    "version": 1
  }
}