Pith Number

pith:OU5RC4FU

pith:2018:OU5RC4FUXGMFLD4QZKQHQDEWXJ

not attested not anchored not stored refs pending

Sensitivity Bounds for Multiparameter Quantum Metrology

Augusto Smerzi, Luca Pezz\`e, Manuel Gessner

arxiv:1806.05665 v2 · 2018-06-14 · 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{OU5RC4FUXGMFLD4QZKQHQDEWXJ}

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	2026-05-18T00:04:35.533711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

753b1170b4b998558f90caa0780c96ba57f51e19df131a1d383eb165e2a16447

Aliases

arxiv: 1806.05665 · arxiv_version: 1806.05665v2 · doi: 10.48550/arxiv.1806.05665 · pith_short_12: OU5RC4FUXGMF · pith_short_16: OU5RC4FUXGMFLD4Q · pith_short_8: OU5RC4FU

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/OU5RC4FUXGMFLD4QZKQHQDEWXJ \
  | 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: 753b1170b4b998558f90caa0780c96ba57f51e19df131a1d383eb165e2a16447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7736eb02a15fa49b90fe025f4d48c2f0361557d41caec6509cda87cafd39f9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-14T17:50:05Z",
    "title_canon_sha256": "f9a18cfebb56a80bfbe9237a8718855b0321fb7a707758456ea42c2d4b511d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05665",
    "kind": "arxiv",
    "version": 2
  }
}