Pith Number

pith:XRPHBXBU

pith:2025:XRPHBXBUYETSBZ3EXUUDSRXKWG

not attested not anchored not stored refs pending

Fundamental Scaling Limit in Critical Quantum Metrology

Hyukjoon Kwon, Ju-yeon Gyhm, Myung-Joong Hwang

arxiv:2506.19003 v1 · 2025-06-23 · 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{XRPHBXBUYETSBZ3EXUUDSRXKWG}

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.

Cited by

1 paper in Pith

Nonlinearity-enhanced Quantum Sensing in Discrete Time Crystal Probes

Receipt and verification

First computed	2026-07-05T11:26:07.731592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5e70dc34c12720e764bd283946eab18cc6479dc28ee7733a93dda09588206e

Aliases

arxiv: 2506.19003 · arxiv_version: 2506.19003v1 · doi: 10.48550/arxiv.2506.19003 · pith_short_12: XRPHBXBUYETS · pith_short_16: XRPHBXBUYETSBZ3E · pith_short_8: XRPHBXBU

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/XRPHBXBUYETSBZ3EXUUDSRXKWG \
  | 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: bc5e70dc34c12720e764bd283946eab18cc6479dc28ee7733a93dda09588206e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a42da939e9bd5446c74e9fe24e451f28fff3e07c0fac13d62859f3f31cc40239",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-23T18:01:58Z",
    "title_canon_sha256": "d6287adcc4dead55fda12fa47e51661fd46bea9cd9cb234861aff22ec2d4f298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.19003",
    "kind": "arxiv",
    "version": 1
  }
}