Pith Number

pith:4NL56OND

pith:2021:4NL56ONDUJPCNTEOQFEOHFZD6T

not attested not anchored not stored refs pending

Mid-infrared nonlinear optics in thin-film lithium niobate on sapphire

Amir H. Safavi-Naeini, Carsten Langrock, David Heydari, Edwin Ng, Hideo Mabuchi, Hubert S. Stokowski, Jatadhari Mishra, Marc Jankowski, M. M. Fejer, Timothy P. McKenna

arxiv:2104.05990 v1 · 2021-04-13 · 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{4NL56ONDUJPCNTEOQFEOHFZD6T}

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	2026-07-05T02:31:27.900876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e357df39a3a25e26cc8e8148e39723f4c5829ba101935715dd7a3dfd065e0761

Aliases

arxiv: 2104.05990 · arxiv_version: 2104.05990v1 · doi: 10.48550/arxiv.2104.05990 · pith_short_12: 4NL56ONDUJPC · pith_short_16: 4NL56ONDUJPCNTEO · pith_short_8: 4NL56OND

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/4NL56ONDUJPCNTEOQFEOHFZD6T \
  | 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: e357df39a3a25e26cc8e8148e39723f4c5829ba101935715dd7a3dfd065e0761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e09a9f950cde90159f9654e64b6e581727f6206361a4333b63d1a739fe7d395e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-04-13T07:51:01Z",
    "title_canon_sha256": "1c408417ffe929867c1e5f2bcdd36c03de0c55b3d47285ed1e279397defd8742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05990",
    "kind": "arxiv",
    "version": 1
  }
}