Pith Number

pith:2CUENWBP

pith:2021:2CUENWBPC73AC6MQ7GIKQHG6CF

not attested not anchored not stored refs pending

Optically Pumped AlGaN Double Heterostructure Deep-UV Laser by Molecular Beam Homoepitaxy: Mirror Imperfections and Cavity Loss

Debdeep Jena, Huili (Grace) Xing, Len van Deurzen, Ryan Page, Vladimir Protasenko

arxiv:2109.10515 v1 · 2021-09-22 · physics.optics · cond-mat.mes-hall · cond-mat.mtrl-sci · physics.app-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{2CUENWBPC73AC6MQ7GIKQHG6CF}

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	2026-07-05T03:16:37.245058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a846d82f17f6017990f990a81cde116b6906c29edfc0e16e2e4992105b58e1

Aliases

arxiv: 2109.10515 · arxiv_version: 2109.10515v1 · doi: 10.48550/arxiv.2109.10515 · pith_short_12: 2CUENWBPC73A · pith_short_16: 2CUENWBPC73AC6MQ · pith_short_8: 2CUENWBP

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/2CUENWBPC73AC6MQ7GIKQHG6CF \
  | 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: d0a846d82f17f6017990f990a81cde116b6906c29edfc0e16e2e4992105b58e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4427920bbcf19a9a7c26a96016aeab962810c6b21970c111a8a1cd63053499b",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci",
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-09-22T04:38:49Z",
    "title_canon_sha256": "648b4553a4885584ed883784641512e40cfa17466fcf4b271c548a7b004833d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10515",
    "kind": "arxiv",
    "version": 1
  }
}