{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KJFX6RLGEVHZSGJFO6IGNX4D2J","short_pith_number":"pith:KJFX6RLG","canonical_record":{"source":{"id":"1811.09668","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-21T00:12:36Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"7e7001da6f86300f519e55f85e82be39b0f9cef7a25006f40ace3deb9c817178","abstract_canon_sha256":"25b790d6c3aa170020a05962334148f799eb8c1ca0748199dd49d33f9bd3bd08"},"schema_version":"1.0"},"canonical_sha256":"524b7f4566254f991925779066df83d262a4358b2fd13a797d59a6e3d729f4b7","source":{"kind":"arxiv","id":"1811.09668","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.09668","created_at":"2026-05-17T23:52:39Z"},{"alias_kind":"arxiv_version","alias_value":"1811.09668v4","created_at":"2026-05-17T23:52:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09668","created_at":"2026-05-17T23:52:39Z"},{"alias_kind":"pith_short_12","alias_value":"KJFX6RLGEVHZ","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KJFX6RLGEVHZSGJF","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KJFX6RLG","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KJFX6RLGEVHZSGJFO6IGNX4D2J","target":"record","payload":{"canonical_record":{"source":{"id":"1811.09668","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-21T00:12:36Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"7e7001da6f86300f519e55f85e82be39b0f9cef7a25006f40ace3deb9c817178","abstract_canon_sha256":"25b790d6c3aa170020a05962334148f799eb8c1ca0748199dd49d33f9bd3bd08"},"schema_version":"1.0"},"canonical_sha256":"524b7f4566254f991925779066df83d262a4358b2fd13a797d59a6e3d729f4b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:39.606115Z","signature_b64":"aozR4H19qP/53ZW/YrekFKnCtTWuifWKyjWZ9l0vb/mlEG/n/1yGVfrFNpJrBC26kvxVz3qSyCPp0AYzSwaCBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"524b7f4566254f991925779066df83d262a4358b2fd13a797d59a6e3d729f4b7","last_reissued_at":"2026-05-17T23:52:39.605428Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:39.605428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.09668","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:52:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HGae37cFB5har+UmG0UhGSJySKdpPWRGa6ljxjDc6FCk/oT+AzPE+ex6cEyvX4J2IEmsNIqRNi1UZBaum3NNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:06:01.389679Z"},"content_sha256":"f5f500fa299b273fd9c9baeeeb061a170aa7efecfc7a06ede12301194013cf7c","schema_version":"1.0","event_id":"sha256:f5f500fa299b273fd9c9baeeeb061a170aa7efecfc7a06ede12301194013cf7c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KJFX6RLGEVHZSGJFO6IGNX4D2J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Squeezed states of magnons and phonons in cavity magnomechanics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"G. S. Agarwal, Jie Li, Shi-Yao Zhu","submitted_at":"2018-11-21T00:12:36Z","abstract_excerpt":"We show how to create quantum squeezed states of magnons and phonons in a cavity magnomechanical system. The magnons are embodied by a collective motion of a large number of spins in a macroscopic ferrimagnet, and couple to cavity microwave photons and phonons (vibrational modes of the ferrimagnet) via the magnetic dipole interaction and magnetostrictive interaction, respectively. The cavity is driven by a weak squeezed vacuum field generated by a flux-driven Josephson parametric amplifier, which is essential to get squeezed states of the magnons and phonons. We show that the magnons can be pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09668","kind":"arxiv","version":4},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:52:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FEC7N5nREpNo2m/S/E7ygdo4+CdwBAqJlxtTH44f8kU3ymKJjo6oN3W5xm5M1fSG7KphPNmoki48NtoQGYuaAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:06:01.390022Z"},"content_sha256":"663674775d12ecb14b0f5348929fdf56b0386b843ae519950cbe479705660465","schema_version":"1.0","event_id":"sha256:663674775d12ecb14b0f5348929fdf56b0386b843ae519950cbe479705660465"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KJFX6RLGEVHZSGJFO6IGNX4D2J/bundle.json","state_url":"https://pith.science/pith/KJFX6RLGEVHZSGJFO6IGNX4D2J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KJFX6RLGEVHZSGJFO6IGNX4D2J/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-02T05:06:01Z","links":{"resolver":"https://pith.science/pith/KJFX6RLGEVHZSGJFO6IGNX4D2J","bundle":"https://pith.science/pith/KJFX6RLGEVHZSGJFO6IGNX4D2J/bundle.json","state":"https://pith.science/pith/KJFX6RLGEVHZSGJFO6IGNX4D2J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KJFX6RLGEVHZSGJFO6IGNX4D2J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KJFX6RLGEVHZSGJFO6IGNX4D2J","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"25b790d6c3aa170020a05962334148f799eb8c1ca0748199dd49d33f9bd3bd08","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-21T00:12:36Z","title_canon_sha256":"7e7001da6f86300f519e55f85e82be39b0f9cef7a25006f40ace3deb9c817178"},"schema_version":"1.0","source":{"id":"1811.09668","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.09668","created_at":"2026-05-17T23:52:39Z"},{"alias_kind":"arxiv_version","alias_value":"1811.09668v4","created_at":"2026-05-17T23:52:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09668","created_at":"2026-05-17T23:52:39Z"},{"alias_kind":"pith_short_12","alias_value":"KJFX6RLGEVHZ","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KJFX6RLGEVHZSGJF","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KJFX6RLG","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:663674775d12ecb14b0f5348929fdf56b0386b843ae519950cbe479705660465","target":"graph","created_at":"2026-05-17T23:52:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We show how to create quantum squeezed states of magnons and phonons in a cavity magnomechanical system. The magnons are embodied by a collective motion of a large number of spins in a macroscopic ferrimagnet, and couple to cavity microwave photons and phonons (vibrational modes of the ferrimagnet) via the magnetic dipole interaction and magnetostrictive interaction, respectively. The cavity is driven by a weak squeezed vacuum field generated by a flux-driven Josephson parametric amplifier, which is essential to get squeezed states of the magnons and phonons. We show that the magnons can be pr","authors_text":"G. S. Agarwal, Jie Li, Shi-Yao Zhu","cross_cats":["cond-mat.mes-hall","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-21T00:12:36Z","title":"Squeezed states of magnons and phonons in cavity magnomechanics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09668","kind":"arxiv","version":4},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:f5f500fa299b273fd9c9baeeeb061a170aa7efecfc7a06ede12301194013cf7c","target":"record","created_at":"2026-05-17T23:52:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"25b790d6c3aa170020a05962334148f799eb8c1ca0748199dd49d33f9bd3bd08","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-11-21T00:12:36Z","title_canon_sha256":"7e7001da6f86300f519e55f85e82be39b0f9cef7a25006f40ace3deb9c817178"},"schema_version":"1.0","source":{"id":"1811.09668","kind":"arxiv","version":4}},"canonical_sha256":"524b7f4566254f991925779066df83d262a4358b2fd13a797d59a6e3d729f4b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"524b7f4566254f991925779066df83d262a4358b2fd13a797d59a6e3d729f4b7","first_computed_at":"2026-05-17T23:52:39.605428Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:39.605428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aozR4H19qP/53ZW/YrekFKnCtTWuifWKyjWZ9l0vb/mlEG/n/1yGVfrFNpJrBC26kvxVz3qSyCPp0AYzSwaCBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:39.606115Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.09668","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5f500fa299b273fd9c9baeeeb061a170aa7efecfc7a06ede12301194013cf7c","sha256:663674775d12ecb14b0f5348929fdf56b0386b843ae519950cbe479705660465"],"state_sha256":"07e62eb2ab975e68b1daa71b8c7311d9d525fd3ebe4ebcc9b2543d4e59d6b2f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cgq5QYzz3vN/sG0U3hykqZO2y0MaQKpxrJFNo2Cy1lyA6C4iKQdYEHqFtAyz8ZaxP7Na0zcwfV9WLQQwUX1MDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:06:01.391792Z","bundle_sha256":"08ae340e5b3aaac025c71035f14c66e1032896b6be508a5c6b08b3cfb033ecac"}}