Pith Number

pith:C5CAX2LS

pith:2019:C5CAX2LS45GLZBEHL2OMZMCLAY

not attested not anchored not stored refs pending

Energy of the $^{229}$Th Nuclear Clock Isomer Determined by Absolute $\gamma$-ray Energy Difference

A. Yamaguchi, H. Haba, H. Kikunaga, H. Muramatsu, K. Konashi, K. Maehata, K. Mitsuda, K. Nakamura, M. Takimoto, M. Watanabe, N. Yuasa, N. Y. Yamasaki, T. Hayashi

arxiv:1912.05395 v1 · 2019-12-11 · nucl-ex · 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{C5CAX2LS45GLZBEHL2OMZMCLAY}

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	2026-07-05T00:25:35.205427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17440be972e74cbc84875e9cccb04b0636521052dd3ae783dc9bd69fb12c9af3

Aliases

arxiv: 1912.05395 · arxiv_version: 1912.05395v1 · doi: 10.48550/arxiv.1912.05395 · pith_short_12: C5CAX2LS45GL · pith_short_16: C5CAX2LS45GLZBEH · pith_short_8: C5CAX2LS

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/C5CAX2LS45GLZBEHL2OMZMCLAY \
  | 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: 17440be972e74cbc84875e9cccb04b0636521052dd3ae783dc9bd69fb12c9af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c7ab794aa47677082213fc466ab61d526e51dac22d3ecd379b0eadd46290f5e",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2019-12-11T15:42:14Z",
    "title_canon_sha256": "11025070e3b9bb4805cfdbdc1d99a9dd31f112da91796fe6d3d9c4e433cd187d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.05395",
    "kind": "arxiv",
    "version": 1
  }
}