Pith Number

pith:H4MDUPBE

pith:2026:H4MDUPBE6QIYKLKVIAZRFBBOL5

not attested not anchored not stored refs pending

Sensitivity Bounds of Multiparameter Metrology at Thermal Equilibrium

Zhu Cao

arxiv:2605.19669 v1 · 2026-05-19 · 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{H4MDUPBE6QIYKLKVIAZRFBBOL5}

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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

Sensitivity Bounds of Multiparameter Metrology at Thermal Equilibrium

Receipt and verification

First computed	2026-05-20T01:05:57.028819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f183a3c24f411852d55403312842e5f6f9777390fb4e98765a5d867fbe1d7b5

Aliases

arxiv: 2605.19669 · arxiv_version: 2605.19669v1 · doi: 10.48550/arxiv.2605.19669 · pith_short_12: H4MDUPBE6QIY · pith_short_16: H4MDUPBE6QIYKLKV · pith_short_8: H4MDUPBE

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/H4MDUPBE6QIYKLKVIAZRFBBOL5 \
  | 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: 3f183a3c24f411852d55403312842e5f6f9777390fb4e98765a5d867fbe1d7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "947c251798ad2b112bd9dacd96286f878ed1c24e2ce07eed6f265b019bfa83e9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-19T11:01:35Z",
    "title_canon_sha256": "d1f671ac0af3f91f543def76805b81fa37ad5d017e1828e4bb7378b4ba6c6c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19669",
    "kind": "arxiv",
    "version": 1
  }
}