Pith Number

pith:EQABXUR3

pith:2012:EQABXUR3OLNQHKDK4LXVBWYWZI

not attested not anchored not stored refs pending

Efficient second harmonic generation in a metamaterial with two resonant modes coupled through two varactor diodes

Masao Kitano, Toshihiro Nakanishi, Yasuhiro Tamayama

arxiv:1201.5196 v1 · 2012-01-25 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQABXUR3OLNQHKDK4LXVBWYWZI}

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	2026-05-18T04:03:44.871024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24001bd23b72db03a86ae2ef50db16ca12f804c0a39f00ce47c6e14bd57aa57d

Aliases

arxiv: 1201.5196 · arxiv_version: 1201.5196v1 · doi: 10.48550/arxiv.1201.5196 · pith_short_12: EQABXUR3OLNQ · pith_short_16: EQABXUR3OLNQHKDK · pith_short_8: EQABXUR3

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/EQABXUR3OLNQHKDK4LXVBWYWZI \
  | 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: 24001bd23b72db03a86ae2ef50db16ca12f804c0a39f00ce47c6e14bd57aa57d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25dabda9dec9b4f68fd45fbaa9967822d3fc617aa5c00d37162c44dd832bdce3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-01-25T07:05:25Z",
    "title_canon_sha256": "0f37f0ca71a490561758d7bb4a9a9d39e332974e2705589561320655377ba878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5196",
    "kind": "arxiv",
    "version": 1
  }
}