Pith Number

pith:Q3A7XZBV

pith:2011:Q3A7XZBVBBHATS72JZCL536NIF

not attested not anchored not stored refs pending

Strong Coupling Optimization With Planar Spiral Resonators

Avraham Klein, Nadav Katz

arxiv:1111.5271 v1 · 2011-11-22 · physics.optics · physics.class-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{Q3A7XZBVBBHATS72JZCL536NIF}

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	2026-05-18T04:07:53.025483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86c1fbe435084e09cbfa4e44beefcd4158c8e126ee3f165cbe4484e59dc534d8

Aliases

arxiv: 1111.5271 · arxiv_version: 1111.5271v1 · doi: 10.48550/arxiv.1111.5271 · pith_short_12: Q3A7XZBVBBHA · pith_short_16: Q3A7XZBVBBHATS72 · pith_short_8: Q3A7XZBV

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/Q3A7XZBVBBHATS72JZCL536NIF \
  | 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: 86c1fbe435084e09cbfa4e44beefcd4158c8e126ee3f165cbe4484e59dc534d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b164013b861b469bc1848fcd1dbfa8001dc6791a83b01ca2fdbfe0c654a02ab",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-11-22T18:18:20Z",
    "title_canon_sha256": "3f56eff60ff931d004e1c56d658f7d0a77024d95516717667e9f52e5ef0783ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5271",
    "kind": "arxiv",
    "version": 1
  }
}