Pith Number

pith:7EVZL5VN

pith:2019:7EVZL5VNWB6SWBNOLELZA7JZ5B

not attested not anchored not stored refs pending

Second-harmonic generation in multilayer hexagonal boron nitride flakes

Alexander S. Solntsev, Augustine Gardner, Chi Li, Igor Aharonovich, Johannes E. Fr\"och, Sejeong Kim

arxiv:1902.09060 v4 · 2019-02-25 · 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{7EVZL5VNWB6SWBNOLELZA7JZ5B}

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	2026-07-05T00:30:58.122000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92b95f6adb07d2b05ae5917907d39e85f87cea0e9d76bc713cf0f7366403715

Aliases

arxiv: 1902.09060 · arxiv_version: 1902.09060v4 · doi: 10.48550/arxiv.1902.09060 · pith_short_12: 7EVZL5VNWB6S · pith_short_16: 7EVZL5VNWB6SWBNO · pith_short_8: 7EVZL5VN

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/7EVZL5VNWB6SWBNOLELZA7JZ5B \
  | 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: f92b95f6adb07d2b05ae5917907d39e85f87cea0e9d76bc713cf0f7366403715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d648fa0584f7621ddb4e26dd9653cf8543052427ba9cbaa2a629149554ab0afd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-02-25T02:15:26Z",
    "title_canon_sha256": "fa3de7ba39f7f0d841ef8c45ee9dc2e6bb99f3c03ea206cf6000d6006232f28c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09060",
    "kind": "arxiv",
    "version": 4
  }
}