{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:NTIGLXNSNFYHWV6MZSFSVIK74L","short_pith_number":"pith:NTIGLXNS","schema_version":"1.0","canonical_sha256":"6cd065ddb269707b57cccc8b2aa15fe2e0e7c98ff3104748b4a0671bcc140f0d","source":{"kind":"arxiv","id":"1205.3447","version":2},"attestation_state":"computed","paper":{"title":"Macroscopicity of Mechanical Quantum Superposition States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Klaus Hornberger, Stefan Nimmrichter","submitted_at":"2012-05-15T17:11:46Z","abstract_excerpt":"We propose an experimentally accessible, objective measure for the macroscopicity of superposition states in mechanical quantum systems. Based on the observable consequences of a minimal, macrorealist extension of quantum mechanics, it allows one to quantify the degree of macroscopicity achieved in different experiments."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1205.3447","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-05-15T17:11:46Z","cross_cats_sorted":[],"title_canon_sha256":"55a38b32e89066bc0e724404ba003b16eabda480bdd1695416e833b7936f630d","abstract_canon_sha256":"9a4cdaac553ab3d0d79c04bb515bb45674e62cf37e80cda2dd367f90ceeba9ec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:27:23.200702Z","signature_b64":"EM+0eDMAKv20uv8ULnavRuaF0UJtIs01hRdFXjZDg4v0xD+XS29MS9iY0cUQfLKmwcMxfKtWJZj+PgfX2QncBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6cd065ddb269707b57cccc8b2aa15fe2e0e7c98ff3104748b4a0671bcc140f0d","last_reissued_at":"2026-05-18T03:27:23.199999Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:27:23.199999Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Macroscopicity of Mechanical Quantum Superposition States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Klaus Hornberger, Stefan Nimmrichter","submitted_at":"2012-05-15T17:11:46Z","abstract_excerpt":"We propose an experimentally accessible, objective measure for the macroscopicity of superposition states in mechanical quantum systems. Based on the observable consequences of a minimal, macrorealist extension of quantum mechanics, it allows one to quantify the degree of macroscopicity achieved in different experiments."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3447","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1205.3447","created_at":"2026-05-18T03:27:23.200108+00:00"},{"alias_kind":"arxiv_version","alias_value":"1205.3447v2","created_at":"2026-05-18T03:27:23.200108+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3447","created_at":"2026-05-18T03:27:23.200108+00:00"},{"alias_kind":"pith_short_12","alias_value":"NTIGLXNSNFYH","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_16","alias_value":"NTIGLXNSNFYHWV6M","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_8","alias_value":"NTIGLXNS","created_at":"2026-05-18T12:27:16.716162+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L","json":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L.json","graph_json":"https://pith.science/api/pith-number/NTIGLXNSNFYHWV6MZSFSVIK74L/graph.json","events_json":"https://pith.science/api/pith-number/NTIGLXNSNFYHWV6MZSFSVIK74L/events.json","paper":"https://pith.science/paper/NTIGLXNS"},"agent_actions":{"view_html":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L","download_json":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L.json","view_paper":"https://pith.science/paper/NTIGLXNS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1205.3447&json=true","fetch_graph":"https://pith.science/api/pith-number/NTIGLXNSNFYHWV6MZSFSVIK74L/graph.json","fetch_events":"https://pith.science/api/pith-number/NTIGLXNSNFYHWV6MZSFSVIK74L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L/action/storage_attestation","attest_author":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L/action/author_attestation","sign_citation":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L/action/citation_signature","submit_replication":"https://pith.science/pith/NTIGLXNSNFYHWV6MZSFSVIK74L/action/replication_record"}},"created_at":"2026-05-18T03:27:23.200108+00:00","updated_at":"2026-05-18T03:27:23.200108+00:00"}