Pith Number

pith:NIVWS5YM

pith:2019:NIVWS5YMCLXYBRHP6PMTJRKVGM

not attested not anchored not stored refs pending

Simultaneous generation of two THz waves with bulk LiNbO3 and four THz waves with PPLN by coupled optical parametric generation

Bin Yuan, Hongtao Zhang, Jianquan Yao, Lian Tan, Pibin Bing, Yongjun Li, Zhongyang Li

arxiv:1904.09701 v1 · 2019-04-22 · 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{NIVWS5YMCLXYBRHP6PMTJRKVGM}

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	2026-05-17T23:48:03.625661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a2b69770c12ef80c4eff3d934c555330c2612d0be56f72935b5c8835a51109d

Aliases

arxiv: 1904.09701 · arxiv_version: 1904.09701v1 · doi: 10.48550/arxiv.1904.09701 · pith_short_12: NIVWS5YMCLXY · pith_short_16: NIVWS5YMCLXYBRHP · pith_short_8: NIVWS5YM

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/NIVWS5YMCLXYBRHP6PMTJRKVGM \
  | 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: 6a2b69770c12ef80c4eff3d934c555330c2612d0be56f72935b5c8835a51109d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f32e30ca259eb1b221ef86a9d4712d3411d0353c9984c991baf35051e9651294",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-22T02:43:55Z",
    "title_canon_sha256": "e517740decc86e6857f39d32fab58b90762b48e2f8acea981cde0143a0c4ad7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09701",
    "kind": "arxiv",
    "version": 1
  }
}