{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:JAWOAGNNO2WRQXCPEHBBELGPHJ","short_pith_number":"pith:JAWOAGNN","canonical_record":{"source":{"id":"1011.0879","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-11-03T13:45:42Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"25584c4d58ce89252e6380ade1d36e6be86cbeb045dcb214e41c668c88c8ab68","abstract_canon_sha256":"87dc1f53b3aad76414098b35c3c8bc196bb80c764b76c99a11a1810f17f2d79d"},"schema_version":"1.0"},"canonical_sha256":"482ce019ad76ad185c4f21c2122ccf3a443eab98958062f1c54c700fca5897d6","source":{"kind":"arxiv","id":"1011.0879","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0879","created_at":"2026-05-18T04:11:17Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0879v2","created_at":"2026-05-18T04:11:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0879","created_at":"2026-05-18T04:11:17Z"},{"alias_kind":"pith_short_12","alias_value":"JAWOAGNNO2WR","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"JAWOAGNNO2WRQXCP","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"JAWOAGNN","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:JAWOAGNNO2WRQXCPEHBBELGPHJ","target":"record","payload":{"canonical_record":{"source":{"id":"1011.0879","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-11-03T13:45:42Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"25584c4d58ce89252e6380ade1d36e6be86cbeb045dcb214e41c668c88c8ab68","abstract_canon_sha256":"87dc1f53b3aad76414098b35c3c8bc196bb80c764b76c99a11a1810f17f2d79d"},"schema_version":"1.0"},"canonical_sha256":"482ce019ad76ad185c4f21c2122ccf3a443eab98958062f1c54c700fca5897d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:17.979786Z","signature_b64":"XwXfLHhmcwE5ifPqeUkWereL1K3MZhSZqM4w/FMx1zYgU2+hKIoiOIMO9XqhS7cLyRi/jjW9yGI9DUINidRFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"482ce019ad76ad185c4f21c2122ccf3a443eab98958062f1c54c700fca5897d6","last_reissued_at":"2026-05-18T04:11:17.979188Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:17.979188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.0879","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:11:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yCZlHTHALAYP72iHLkDYD1jtsjYnWqI3h30+HgBcbUEgh4btYhq/eSOCpDYXtQA/WsfyQaSb3/q/FiFTceH4CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:42:04.033088Z"},"content_sha256":"225e5b280c769da356ff4eaa008b2db24402985d13e9f66837780e590b71b1f3","schema_version":"1.0","event_id":"sha256:225e5b280c769da356ff4eaa008b2db24402985d13e9f66837780e590b71b1f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:JAWOAGNNO2WRQXCPEHBBELGPHJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pulsed quantum optomechanics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"C. Brukner, G. D. Cole, G. J. Milburn, I. Pikovski, K. Hammerer, M. Aspelmeyer, M. R. Vanner, M. S. Kim","submitted_at":"2010-11-03T13:45:42Z","abstract_excerpt":"Studying mechanical resonators via radiation pressure offers a rich avenue for the exploration of quantum mechanical behavior in a macroscopic regime. However, quantum state preparation and especially quantum state reconstruction of mechanical oscillators remains a significant challenge. Here we propose a scheme to realize quantum state tomography, squeezing and state purification of a mechanical resonator using short optical pulses. The scheme presented allows observation of mechanical quantum features despite preparation from a thermal state and is shown to be experimentally feasible using o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0879","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:11:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MGiuGSdSEemIjMXnrwSAE2qCYJ3PbUlbZbACLB1mTZK8lkhKxelGfd7DiocEEA9o5Hpxw/7cdiMZ8v7q314JCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T16:42:04.033810Z"},"content_sha256":"ffe771a0e53464dd5f37652eec91d6c7ac86d1c85b26173e0361cfea2123497f","schema_version":"1.0","event_id":"sha256:ffe771a0e53464dd5f37652eec91d6c7ac86d1c85b26173e0361cfea2123497f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JAWOAGNNO2WRQXCPEHBBELGPHJ/bundle.json","state_url":"https://pith.science/pith/JAWOAGNNO2WRQXCPEHBBELGPHJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JAWOAGNNO2WRQXCPEHBBELGPHJ/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":"2026-05-27T16:42:04Z","links":{"resolver":"https://pith.science/pith/JAWOAGNNO2WRQXCPEHBBELGPHJ","bundle":"https://pith.science/pith/JAWOAGNNO2WRQXCPEHBBELGPHJ/bundle.json","state":"https://pith.science/pith/JAWOAGNNO2WRQXCPEHBBELGPHJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JAWOAGNNO2WRQXCPEHBBELGPHJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:JAWOAGNNO2WRQXCPEHBBELGPHJ","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":"87dc1f53b3aad76414098b35c3c8bc196bb80c764b76c99a11a1810f17f2d79d","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-11-03T13:45:42Z","title_canon_sha256":"25584c4d58ce89252e6380ade1d36e6be86cbeb045dcb214e41c668c88c8ab68"},"schema_version":"1.0","source":{"id":"1011.0879","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.0879","created_at":"2026-05-18T04:11:17Z"},{"alias_kind":"arxiv_version","alias_value":"1011.0879v2","created_at":"2026-05-18T04:11:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.0879","created_at":"2026-05-18T04:11:17Z"},{"alias_kind":"pith_short_12","alias_value":"JAWOAGNNO2WR","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"JAWOAGNNO2WRQXCP","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"JAWOAGNN","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:ffe771a0e53464dd5f37652eec91d6c7ac86d1c85b26173e0361cfea2123497f","target":"graph","created_at":"2026-05-18T04:11:17Z","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":"Studying mechanical resonators via radiation pressure offers a rich avenue for the exploration of quantum mechanical behavior in a macroscopic regime. However, quantum state preparation and especially quantum state reconstruction of mechanical oscillators remains a significant challenge. Here we propose a scheme to realize quantum state tomography, squeezing and state purification of a mechanical resonator using short optical pulses. The scheme presented allows observation of mechanical quantum features despite preparation from a thermal state and is shown to be experimentally feasible using o","authors_text":"C. Brukner, G. D. Cole, G. J. Milburn, I. Pikovski, K. Hammerer, M. Aspelmeyer, M. R. Vanner, M. S. Kim","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-11-03T13:45:42Z","title":"Pulsed quantum optomechanics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.0879","kind":"arxiv","version":2},"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":"sha256:225e5b280c769da356ff4eaa008b2db24402985d13e9f66837780e590b71b1f3","target":"record","created_at":"2026-05-18T04:11:17Z","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":"87dc1f53b3aad76414098b35c3c8bc196bb80c764b76c99a11a1810f17f2d79d","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-11-03T13:45:42Z","title_canon_sha256":"25584c4d58ce89252e6380ade1d36e6be86cbeb045dcb214e41c668c88c8ab68"},"schema_version":"1.0","source":{"id":"1011.0879","kind":"arxiv","version":2}},"canonical_sha256":"482ce019ad76ad185c4f21c2122ccf3a443eab98958062f1c54c700fca5897d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"482ce019ad76ad185c4f21c2122ccf3a443eab98958062f1c54c700fca5897d6","first_computed_at":"2026-05-18T04:11:17.979188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:17.979188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XwXfLHhmcwE5ifPqeUkWereL1K3MZhSZqM4w/FMx1zYgU2+hKIoiOIMO9XqhS7cLyRi/jjW9yGI9DUINidRFAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:17.979786Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.0879","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:225e5b280c769da356ff4eaa008b2db24402985d13e9f66837780e590b71b1f3","sha256:ffe771a0e53464dd5f37652eec91d6c7ac86d1c85b26173e0361cfea2123497f"],"state_sha256":"a3b241ccd2e4e3dfcb1f87591d8bccdb17bcc9f17d7a093dc651f9bbf7e00809"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vRO+Km29gFSbunTpMw38cJPS2cp9FPWDaF9lBdE6j3IQrD04Brn8N7Tu8UFrRNP3nr0gPa66n+aP9zHlkQkjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T16:42:04.037455Z","bundle_sha256":"666d6dd508e7d9308689d3aaff40cd62046ae048c9f72e07f7a8cde5cb0a0090"}}