Pith Number

pith:ODVZ5HEY

pith:2021:ODVZ5HEY5KKQ4EY6L43F3ZD5LF

not attested not anchored not stored refs pending

High-performance quantum entanglement generation via cascaded second-order nonlinear processes

Chenzhi Yuan, Guangcan Guo, Guangwei Deng, Haizhi Song, Hao Li, Hao Yu, Heqing Wang, Lixing You, Qiang Zhou, Ruiming Zhang, Si Shen, You Wang, Zhen Wang, Zhiming Wang, Zichang Zhang

arxiv:2102.07146 v1 · 2021-02-14 · 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{ODVZ5HEY5KKQ4EY6L43F3ZD5LF}

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	2026-07-05T04:56:32.400176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70eb9e9c98ea950e131e5f365de47d595a2d6d28db49687c13cd6fc242bd31b3

Aliases

arxiv: 2102.07146 · arxiv_version: 2102.07146v1 · doi: 10.48550/arxiv.2102.07146 · pith_short_12: ODVZ5HEY5KKQ · pith_short_16: ODVZ5HEY5KKQ4EY6 · pith_short_8: ODVZ5HEY

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/ODVZ5HEY5KKQ4EY6L43F3ZD5LF \
  | 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: 70eb9e9c98ea950e131e5f365de47d595a2d6d28db49687c13cd6fc242bd31b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcdf82c687f89e54c3734fb28c2edcc009ee04c399311707a3d977f155fe22a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-02-14T13:10:18Z",
    "title_canon_sha256": "a3053b47b30d3334cb655ca412c3f8e5436a5626a97c21ad71da2ddda2f9bc91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07146",
    "kind": "arxiv",
    "version": 1
  }
}