Pith Number

pith:PNWQN44W

pith:2025:PNWQN44WTZMBWOM3K6ZHHWVSOG

not attested not anchored not stored refs pending

Laser M\"ossbauer spectroscopy of ^{229}Th

Adrian Leitner, Akihiro Yoshimi, Andreas Gr\"uneis, Fabian Schaden, Felix Schneider, Georgy Kazakov, Ira Morawetz, Kjeld Beeks, Koichi Okai, Koji Yoshimura, Kotaro Shimizu, Luca Toscani de Col, Martin Pimon, Martin Pressler, Michael Bartokos, Ming Guan, Noboru Sasao, Ryoichiro Ogake, Sayuri Takatori, Takahiko Masuda, Takahiro Hiraki, Thomas Lagrange, Thomas Riebner, Thorsten Schumm, Tomas Sikorsky, Yuta Fukunaga

arxiv:2509.00041 v1 · 2025-08-23 · nucl-ex · cond-mat.mtrl-sci · 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{PNWQN44WTZMBWOM3K6ZHHWVSOG}

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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.

Cited by

5 papers in Pith

Record nonlinear conversion efficiency in the production of high spectral purity vacuum ultraviolet laser at 148 nm

Colloquium: Nuclear clocks

A nuclear clock based on $^{229}$Th

A thorium-229 optical nuclear clock with feedback loop

Continuous-wave nuclear laser absorption spectroscopy of Thorium-229

Receipt and verification

First computed	2026-07-05T12:02:08.483092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b6d06f3969e581b399b57b273dab2718586dbad6e05b0c4c6f5ab5361b0d0d3

Aliases

arxiv: 2509.00041 · arxiv_version: 2509.00041v1 · doi: 10.48550/arxiv.2509.00041 · pith_short_12: PNWQN44WTZMB · pith_short_16: PNWQN44WTZMBWOM3 · pith_short_8: PNWQN44W

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/PNWQN44WTZMBWOM3K6ZHHWVSOG \
  | 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: 7b6d06f3969e581b399b57b273dab2718586dbad6e05b0c4c6f5ab5361b0d0d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70b2f051ef54a6a95f0d52a1820fcadd47967e6c8859c45a3eb4dfe9bc7b021f",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2025-08-23T15:22:06Z",
    "title_canon_sha256": "e18a105e1488b9c39ddd387361332c6cd4040a33ac55b31b4a4ee0f5bfe72ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00041",
    "kind": "arxiv",
    "version": 1
  }
}