Pith Number

pith:46XYDLEQ

pith:2025:46XYDLEQLDQ4YW6JTMFLE4P4HR

not attested not anchored not stored refs pending

Search of High-Frequency Variations of Fundamental Constants Using Spin-based Quantum Sensors

Chang-Kui Duan, Chenyu Ji, Jiangfeng Du, Pu Huang, Shuangju Chang, Xiang Bian, Xi Kong, Yifan Chen, Yuke Zhang

arxiv:2503.09082 v1 · 2025-03-12 · quant-ph · astro-ph.IM · hep-ex · hep-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{46XYDLEQLDQ4YW6JTMFLE4P4HR}

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	2026-07-05T10:30:33.920905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7af81ac9058e1cc5bc99b0ab271fc3c5137348330b34d86897e68ad0bf314a1

Aliases

arxiv: 2503.09082 · arxiv_version: 2503.09082v1 · doi: 10.48550/arxiv.2503.09082 · pith_short_12: 46XYDLEQLDQ4 · pith_short_16: 46XYDLEQLDQ4YW6J · pith_short_8: 46XYDLEQ

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/46XYDLEQLDQ4YW6JTMFLE4P4HR \
  | 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: e7af81ac9058e1cc5bc99b0ab271fc3c5137348330b34d86897e68ad0bf314a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84ece8d44a0f3cc6dafcb252794e8283d659a3b7fa2cf8c74ca12c0351d07a28",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "hep-ex",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-12T05:28:54Z",
    "title_canon_sha256": "e86007f18fa5ca37b15cdc69bff798e0ceca3a27afad87ba964f34e0016d890f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.09082",
    "kind": "arxiv",
    "version": 1
  }
}