Pith Number

pith:7OPCIRRN

pith:2025:7OPCIRRNIKNQC477UTGUGRBZCS

not attested not anchored not stored refs pending

Ultranarrow Superradiant Laser via Dressed Dark State

Guohui Dong, Yao Yao

arxiv:2508.20356 v1 · 2025-08-28 · physics.atom-ph · quant-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{7OPCIRRNIKNQC477UTGUGRBZCS}

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	2026-07-05T12:00:35.150148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb9e24462d429b0173ffa4cd43443914b5bafe67ad1bc60f3cf2615f5a359229

Aliases

arxiv: 2508.20356 · arxiv_version: 2508.20356v1 · doi: 10.48550/arxiv.2508.20356 · pith_short_12: 7OPCIRRNIKNQ · pith_short_16: 7OPCIRRNIKNQC477 · pith_short_8: 7OPCIRRN

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/7OPCIRRNIKNQC477UTGUGRBZCS \
  | 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: fb9e24462d429b0173ffa4cd43443914b5bafe67ad1bc60f3cf2615f5a359229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d8347f969fafcbd951bc3381751d9dceebacd78f9733ceb7bf97b7c2b71eb0",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-08-28T02:11:38Z",
    "title_canon_sha256": "f552638492e9e66b0daf6d0bb1ef00e959b3e132152a7e1aee5ae78b6c0c8dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20356",
    "kind": "arxiv",
    "version": 1
  }
}