Pith Number

pith:QJTUTCFD

pith:2023:QJTUTCFDOSDNE26YOIKMOSSVNW

not attested not anchored not stored refs pending

Chip-Scale, Sub-Hz Fundamental Sub-kHz Integral Linewidth 780 nm Laser through Self-Injection-Locking a Fabry-P\'erot laser to an Ultra-High Q Integrated Resonator

Andrei Isichenko, Daniel J. Blumenthal, Kaikai Liu, Mark W. Harrington, Nitesh Chauhan

arxiv:2307.04947 v2 · 2023-07-11 · physics.optics · physics.atom-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{QJTUTCFDOSDNE26YOIKMOSSVNW}

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	2026-07-05T10:06:37.391357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82674988a37486d26bd87214c74a556db5a0b4f55c11c8f9f98e2c77b3267482

Aliases

arxiv: 2307.04947 · arxiv_version: 2307.04947v2 · doi: 10.48550/arxiv.2307.04947 · pith_short_12: QJTUTCFDOSDN · pith_short_16: QJTUTCFDOSDNE26Y · pith_short_8: QJTUTCFD

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/QJTUTCFDOSDNE26YOIKMOSSVNW \
  | 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: 82674988a37486d26bd87214c74a556db5a0b4f55c11c8f9f98e2c77b3267482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "988937a669e4173fea697d0a8e8461eaa80c8e7c87fbeb795fd27f19de4ed118",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-07-11T00:30:43Z",
    "title_canon_sha256": "a5e4efc2c405ebb566f16cb545140e5932d7c825a0a350a5b592a3110b9ace40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.04947",
    "kind": "arxiv",
    "version": 2
  }
}