Pith Number

pith:D7MMAURX

pith:2019:D7MMAURX3UZGLLRESANHMJ6ZBN

not attested not anchored not stored refs pending

A Semiconductor Topological Photonic Ring Resonator

A.P. Foster, E. Clarke, I. Farrer, J. Heffernan, L.R. Wilson, M. Jalali Mehrabad, M.S. Skolnick, P.K. Patil, R. Dost

arxiv:1910.07448 v2 · 2019-10-16 · physics.optics · physics.app-ph · quant-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{D7MMAURX3UZGLLRESANHMJ6ZBN}

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	2026-07-05T00:42:20.819508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd8c05237dd3265ae24901a7627d90b4a947558b15139a3b2675288db850e81

Aliases

arxiv: 1910.07448 · arxiv_version: 1910.07448v2 · doi: 10.48550/arxiv.1910.07448 · pith_short_12: D7MMAURX3UZG · pith_short_16: D7MMAURX3UZGLLRE · pith_short_8: D7MMAURX

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/D7MMAURX3UZGLLRESANHMJ6ZBN \
  | 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: 1fd8c05237dd3265ae24901a7627d90b4a947558b15139a3b2675288db850e81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a2534601c78b1b5d6f74bea80d99327bd3dc6a1f65b1ecdc44ecc94f39f76e8",
    "cross_cats_sorted": [
      "physics.app-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-10-16T16:10:49Z",
    "title_canon_sha256": "91caf8e6e4efd2cf345615e27f8f1eaca347261baf447707e6b0b789cb6b944f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.07448",
    "kind": "arxiv",
    "version": 2
  }
}