Pith Number

pith:W23HSGIJ

pith:2019:W23HSGIJ5AOTGHQXMCYZKMP2RM

not attested not anchored not stored refs pending

S-parameter calibration procedure for multiport microwave imaging systems

Ferry Kienberger, Georg Gramse, Manuel Kasper, Mykolas Ragulskis

arxiv:1905.00963 v1 · 2019-05-01 · 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{W23HSGIJ5AOTGHQXMCYZKMP2RM}

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	2026-05-17T23:47:08.118050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b6791909e81d331e1760b19531fa8b268b9f9330dac1f6871de844b379926c

Aliases

arxiv: 1905.00963 · arxiv_version: 1905.00963v1 · doi: 10.48550/arxiv.1905.00963 · pith_short_12: W23HSGIJ5AOT · pith_short_16: W23HSGIJ5AOTGHQX · pith_short_8: W23HSGIJ

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/W23HSGIJ5AOTGHQXMCYZKMP2RM \
  | 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: b6b6791909e81d331e1760b19531fa8b268b9f9330dac1f6871de844b379926c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "153c8fce7f3a2068ed76ccbc4984cf229d38cf23777c0b2ffb380b6b0a7344a3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-01T12:42:25Z",
    "title_canon_sha256": "db1920de177b77c8e2aa6a5708302a1fc6dd07df85d46de087ad2afe37111667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00963",
    "kind": "arxiv",
    "version": 1
  }
}