Pith Number

pith:2MXQ6JVW

pith:2021:2MXQ6JVW5YG3ZHEMI6IPZTR4ZI

not attested not anchored not stored refs pending

Electrically-pumped high-power laser transmitter integrated on thin-film lithium niobate

Amirhassan Shams-Ansari, Di Zhu, Dylan Renaud, Hannah R. Grant, Leif Johansson, Linbo Shao, Lingyan He, Marko Loncar, Mengjie Yu, Mian Zhang, Rebecca Cheng

arxiv:2111.08473 v2 · 2021-11-16 · physics.app-ph · 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{2MXQ6JVW5YG3ZHEMI6IPZTR4ZI}

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	2026-07-05T04:16:37.766131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d32f0f26b6ee0dbc9c8c4790fcce3cca38f158def861f18cc156235214ca150a

Aliases

arxiv: 2111.08473 · arxiv_version: 2111.08473v2 · doi: 10.48550/arxiv.2111.08473 · pith_short_12: 2MXQ6JVW5YG3 · pith_short_16: 2MXQ6JVW5YG3ZHEM · pith_short_8: 2MXQ6JVW

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/2MXQ6JVW5YG3ZHEMI6IPZTR4ZI \
  | 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: d32f0f26b6ee0dbc9c8c4790fcce3cca38f158def861f18cc156235214ca150a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "675ccbbb2f643477ca87262e3b8e0b149a13f7cb566781f719b3b28106764f7a",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-11-16T15:15:45Z",
    "title_canon_sha256": "5c545f092f3af6ddf0d99938d9e86e6e20eb3df65d03cb1526f6348ad49eefd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08473",
    "kind": "arxiv",
    "version": 2
  }
}