Pith Number

pith:LYUEF5XZ

pith:2012:LYUEF5XZLISCWVBVK2JLVUWWUT

not attested not anchored not stored refs pending

Sub-kHz lasing of a CaF_2 Whispering Gallery Mode Resonator Stabilized Fiber Ring Laser

B. Sprenger, F. Sedlmeir, H. G. L. Schwefel, L. J. Wang, M. C. Collodo, S. Svitlov

arxiv:1208.0245 v1 · 2012-08-01 · 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{LYUEF5XZLISCWVBVK2JLVUWWUT}

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	2026-05-18T02:46:03.325715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e2842f6f95a242b54355692bad2d6a4d5b749bf0af2790448c04ccdf598c859

Aliases

arxiv: 1208.0245 · arxiv_version: 1208.0245v1 · doi: 10.48550/arxiv.1208.0245 · pith_short_12: LYUEF5XZLISC · pith_short_16: LYUEF5XZLISCWVBV · pith_short_8: LYUEF5XZ

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/LYUEF5XZLISCWVBVK2JLVUWWUT \
  | 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: 5e2842f6f95a242b54355692bad2d6a4d5b749bf0af2790448c04ccdf598c859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b94321949a7a675fb372ab65c8dfac53f3bb9c56fee4d10a46c3a3c2988fcaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-08-01T14:52:56Z",
    "title_canon_sha256": "d114cbc9d5a7b41329e235b8745dcb173ddcc155493db86768e22761014a3fa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0245",
    "kind": "arxiv",
    "version": 1
  }
}