Pith Number

pith:RS4QY3EW

pith:2025:RS4QY3EW7UCTZQZGN4JBTWOYHN

not attested not anchored not stored refs pending

Precision calculation of hyperfine-structure constants for extracting nuclear quadrupole moment of $^{43}$Ca

Yong-Bo Tang

arxiv:2508.15226 v1 · 2025-08-21 · 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{RS4QY3EW7UCTZQZGN4JBTWOYHN}

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	2026-07-05T11:57:08.558098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cb90c6c96fd053cc3266f1219d9d83b65d56514c38c318f363dd4b4c2cc1e61

Aliases

arxiv: 2508.15226 · arxiv_version: 2508.15226v1 · doi: 10.48550/arxiv.2508.15226 · pith_short_12: RS4QY3EW7UCT · pith_short_16: RS4QY3EW7UCTZQZG · pith_short_8: RS4QY3EW

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/RS4QY3EW7UCTZQZGN4JBTWOYHN \
  | 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: 8cb90c6c96fd053cc3266f1219d9d83b65d56514c38c318f363dd4b4c2cc1e61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07ad7df952e0e8ae96aec6a8bf9aee02a5bf5a862ff657dd742a9728be98fbf8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-08-21T04:29:43Z",
    "title_canon_sha256": "4d67d54a26752e5b4de3d05fd6123baae4e8ac435266f55645872134ec00ce95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15226",
    "kind": "arxiv",
    "version": 1
  }
}