Pith Number

pith:VY5DDCT2

pith:2009:VY5DDCT26372HHFJZVEY5S2OHS

not attested not anchored not stored refs pending

Five-Fold Reduction of Lasing Threshold near the First $\Gamma L$-Pseudogap of ZnO Inverse Opals

Alexey Yamilov, Heeso Noh, Hui Cao, Mark A Anderson, Michael Scharrer, Robert P H Chang, Xiaohua Wu

arxiv:0907.0736 v1 · 2009-07-04 · 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{VY5DDCT26372HHFJZVEY5S2OHS}

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	2026-05-18T02:13:05.347092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae3a318a7af6ffa39ca9cd498ecb4e3c82e1078700aacbf6a146a521effe5ab6

Aliases

arxiv: 0907.0736 · arxiv_version: 0907.0736v1 · doi: 10.48550/arxiv.0907.0736 · pith_short_12: VY5DDCT26372 · pith_short_16: VY5DDCT26372HHFJ · pith_short_8: VY5DDCT2

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/VY5DDCT26372HHFJZVEY5S2OHS \
  | 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: ae3a318a7af6ffa39ca9cd498ecb4e3c82e1078700aacbf6a146a521effe5ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc3dc66bbcef00aa3106afe2219893b7d89e0c5170cda7317d609f429b723516",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-07-04T02:34:16Z",
    "title_canon_sha256": "c3f14f5585ee14814d8797d51fb9845d13f2887ef5eb0e2b77c0c15508ccedf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0736",
    "kind": "arxiv",
    "version": 1
  }
}