Pith Number

pith:Y7XU4LAA

pith:2025:Y7XU4LAAPUFXBICIPXKZGWAEPW

not attested not anchored not stored refs pending

Entanglement-assisted multiparameter estimation with a solid-state quantum sensor

Ayumi Kanamoto, Boning Li, Guoqing Wang, Haidong Yuan, Paola Cappellaro, Shunsuke Nishimura, Takuya Isogawa, Zhiyao Hu

arxiv:2505.14578 v1 · 2025-05-20 · 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{Y7XU4LAAPUFXBICIPXKZGWAEPW}

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	2026-07-05T11:06:15.914691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ef4e2c007d0b70a0487dd59358047d8707a621f168e60760fd710e07c22392

Aliases

arxiv: 2505.14578 · arxiv_version: 2505.14578v1 · doi: 10.48550/arxiv.2505.14578 · pith_short_12: Y7XU4LAAPUFX · pith_short_16: Y7XU4LAAPUFXBICI · pith_short_8: Y7XU4LAA

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/Y7XU4LAAPUFXBICIPXKZGWAEPW \
  | 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: c7ef4e2c007d0b70a0487dd59358047d8707a621f168e60760fd710e07c22392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c15c4b8cf4b050260d1960d6cf320db91986f5e696e26bc7663d7a8817a59d2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-20T16:35:54Z",
    "title_canon_sha256": "3fb02a41bf3306661bf1f3b09964ecebda2106e3680e4248baf5efad68ff7b04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14578",
    "kind": "arxiv",
    "version": 1
  }
}