Pith Number

pith:W7URRUY4

pith:2018:W7URRUY4ZTEAJWMD3AAYYCKCCP

not attested not anchored not stored refs pending

On-Chip Chiral Single-Photon Interface: Isolation and Unidirectional Emission

Guowei Lu, Han Zhang, Jiangshan Tang, Keyu Xia, Lei Tang, Min Xiao, Weidong Zhang, Yong Zhang

arxiv:1811.02957 v4 · 2018-11-07 · 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{W7URRUY4ZTEAJWMD3AAYYCKCCP}

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	2026-05-17T23:47:48.606142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7e918d31cccc804d983d8018c094213db10ed24d53fb3d9d09db1d3b846dcf5

Aliases

arxiv: 1811.02957 · arxiv_version: 1811.02957v4 · doi: 10.48550/arxiv.1811.02957 · pith_short_12: W7URRUY4ZTEA · pith_short_16: W7URRUY4ZTEAJWMD · pith_short_8: W7URRUY4

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/W7URRUY4ZTEAJWMD3AAYYCKCCP \
  | 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: b7e918d31cccc804d983d8018c094213db10ed24d53fb3d9d09db1d3b846dcf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a776e59617c4b3e83436e53b44f5474e7d0f5fc43534ee40e7e4cc0898af04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-11-07T16:10:54Z",
    "title_canon_sha256": "883a8b41ede85e6bfa4f12c5a7c9efb46e3389da902de7e3ccdd5a429dfc3568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02957",
    "kind": "arxiv",
    "version": 4
  }
}