Pith Number

pith:EAYKSJA3

pith:2021:EAYKSJA3GOHC6DQWAHDYHUSOHV

not attested not anchored not stored refs pending

Spectrally multiplexed and ultrabright entangled photon pairs in a lithium niobate microresonator

Bo-Yu Xu, Chun-Hua Dong, Guang-Can Guo, Jintian Lin, Lan-Tian Feng1, Li-Kun Chen, Qihuang Gong, Renhong Gao, Rui Niu, Xi-Feng Ren, Ya Cheng, Yun-Feng Xiao, Zhi-Yuan Zhou

arxiv:2110.08997 v1 · 2021-10-18 · 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{EAYKSJA3GOHC6DQWAHDYHUSOHV}

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	2026-07-05T03:23:22.825673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2030a9241b338e2f0e1601c783d24e3d776fce5748be5f995e6a0d7e44aff3f8

Aliases

arxiv: 2110.08997 · arxiv_version: 2110.08997v1 · doi: 10.48550/arxiv.2110.08997 · pith_short_12: EAYKSJA3GOHC · pith_short_16: EAYKSJA3GOHC6DQW · pith_short_8: EAYKSJA3

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/EAYKSJA3GOHC6DQWAHDYHUSOHV \
  | 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: 2030a9241b338e2f0e1601c783d24e3d776fce5748be5f995e6a0d7e44aff3f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b07a6a1fee6296526bb3e65af2fed2cf2da792a2326c41a497c779265a6548da",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-10-18T03:30:18Z",
    "title_canon_sha256": "d6f1e1d9451150895c66817158636c3ac078bbad81ec3c308c71287cf3f8a5d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.08997",
    "kind": "arxiv",
    "version": 1
  }
}