Pith Number

pith:Y7WP4WVO

pith:2019:Y7WP4WVOWLIAEQMB3E4VMCO6BQ

not attested not anchored not stored refs pending

Incorporation of erbium ions into thin-film lithium niobate integrated photonics

Charles W. Thiel, Hong X. Tang, Likai Yang, Mohan Shen, Risheng Cheng, Rufus L. Cone, Sihao Wang, Yuntao Xu

arxiv:1912.07584 v1 · 2019-12-16 · physics.optics · physics.app-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{Y7WP4WVOWLIAEQMB3E4VMCO6BQ}

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	2026-07-05T01:04:09.920145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ecfe5aaeb2d0024181d9395609de0c1294fc9081b4ea5c95cc10c2aa7703fd

Aliases

arxiv: 1912.07584 · arxiv_version: 1912.07584v1 · doi: 10.48550/arxiv.1912.07584 · pith_short_12: Y7WP4WVOWLIA · pith_short_16: Y7WP4WVOWLIAEQMB · pith_short_8: Y7WP4WVO

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/Y7WP4WVOWLIAEQMB3E4VMCO6BQ \
  | 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: c7ecfe5aaeb2d0024181d9395609de0c1294fc9081b4ea5c95cc10c2aa7703fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4ce5bd9e2ff768b34e7e6f213aa0aaf6a448e81b5c11432e9cd96c4605f5f5d",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-12-16T18:55:38Z",
    "title_canon_sha256": "28537d27c4eb0244eb07a4ab5771fc8881309dceefb4dee4d34342119d277f68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.07584",
    "kind": "arxiv",
    "version": 1
  }
}