Pith Number

pith:KLLKA6KE

pith:2012:KLLKA6KETL4XD5IDNYPNE2CKE7

not attested not anchored not stored refs pending

Low threshold, room-temperature microdisk lasers in the blue spectral range

Alexander Woolf, Evelyn L. Hu, Igor Aharonovich, Kasey J. Russell, Menno J. Kappers, Rachel A. Oliver, Tongtong Zhu

arxiv:1208.6452 v1 · 2012-08-31 · cond-mat.mtrl-sci · 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{KLLKA6KETL4XD5IDNYPNE2CKE7}

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	2026-05-18T01:54:49.092469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52d6a079449af971f5036e1ed2684a27f7101a78ed9611e0dc1af73af8948a9f

Aliases

arxiv: 1208.6452 · arxiv_version: 1208.6452v1 · doi: 10.48550/arxiv.1208.6452 · pith_short_12: KLLKA6KETL4X · pith_short_16: KLLKA6KETL4XD5ID · pith_short_8: KLLKA6KE

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/KLLKA6KETL4XD5IDNYPNE2CKE7 \
  | 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: 52d6a079449af971f5036e1ed2684a27f7101a78ed9611e0dc1af73af8948a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f1f52cd419c0d9908b81ad26a75e5c7607166abc4bbf20cbe94dd9494c5eb31",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-08-31T10:38:05Z",
    "title_canon_sha256": "e3e652b7af18d1d8f727bb6ceffd238deb07cc65dff9a4c4ab10f9e37fc4aa57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6452",
    "kind": "arxiv",
    "version": 1
  }
}