Pith Number

pith:2SWXP6PD

pith:2021:2SWXP6PDGD4OYYT2EEGYV3F3J5

not attested not anchored not stored refs pending

Single-photon non-reciprocity with an integrated magneto-optical isolator

Bo-Yu Xu, Guang-Can Guo, Lan-Tian Feng, Lei Bi, Long-Jiang Deng, Shang-Yu Ren, Wei Yan, Xiao-JingLiu, Xiao-Zhuo Qi, Xi-Feng Ren, Yang Chen, Yu-Jie Cheng, Yun-Kun Wu

arxiv:2107.09516 v1 · 2021-07-20 · quant-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{2SWXP6PDGD4OYYT2EEGYV3F3J5}

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	2026-07-05T02:59:31.976270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4ad77f9e330f8ec627a210d8aecbb4f78bd7df1c6f2040da694e87eb8b977de

Aliases

arxiv: 2107.09516 · arxiv_version: 2107.09516v1 · doi: 10.48550/arxiv.2107.09516 · pith_short_12: 2SWXP6PDGD4O · pith_short_16: 2SWXP6PDGD4OYYT2 · pith_short_8: 2SWXP6PD

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/2SWXP6PDGD4OYYT2EEGYV3F3J5 \
  | 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: d4ad77f9e330f8ec627a210d8aecbb4f78bd7df1c6f2040da694e87eb8b977de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e75f11e6382bc5b03666be018fba06a79c20b4697af8c332a71163b45739d8a6",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-20T14:05:42Z",
    "title_canon_sha256": "22a561c8ae43bc233983826b0ef8706cc35b1222273ed4466510451f79032045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09516",
    "kind": "arxiv",
    "version": 1
  }
}