Pith Number

pith:7X2KZ3QP

pith:2022:7X2KZ3QPWWV4CHHTXU7HZD2WE2

not attested not anchored not stored refs pending

Optimal Strategies of Quantum Metrology with a Strict Hierarchy

Haidong Yuan, Qiushi Liu, Yuxiang Yang, Zihao Hu

arxiv:2203.09758 v3 · 2022-03-18 · 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{7X2KZ3QPWWV4CHHTXU7HZD2WE2}

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

Indefinite Quantum Causality

Receipt and verification

First computed	2026-07-05T05:43:10.367016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf4acee0fb5abc11cf3bd3e7c8f562691f5c45edd61cdf94f9c313de9cc75f7

Aliases

arxiv: 2203.09758 · arxiv_version: 2203.09758v3 · doi: 10.48550/arxiv.2203.09758 · pith_short_12: 7X2KZ3QPWWV4 · pith_short_16: 7X2KZ3QPWWV4CHHT · pith_short_8: 7X2KZ3QP

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/7X2KZ3QPWWV4CHHTXU7HZD2WE2 \
  | 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: fdf4acee0fb5abc11cf3bd3e7c8f562691f5c45edd61cdf94f9c313de9cc75f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c32ff2c78dafc39384c12b8f4e6f535af69305f811c3762647c67c412a1c6a10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-03-18T06:14:56Z",
    "title_canon_sha256": "523a8af60d1cf0b4a13da81980a6697a4b05abcf647f4a5a6cd860e3cdfbb046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09758",
    "kind": "arxiv",
    "version": 3
  }
}