{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1999:XI4O24GX776QEMH4XKQBCN25BP","short_pith_number":"pith:XI4O24GX","canonical_record":{"source":{"id":"gr-qc/9909034","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1999-09-10T07:41:12Z","cross_cats_sorted":[],"title_canon_sha256":"abaafc4be9e9b111930afa9b4267380fc2cfc093d03f2126eeb6c405d0f12ad0","abstract_canon_sha256":"97caca07915e7dbfa088f20b23b05eb4f90eca87ad6e845a02c46269d71a8d2c"},"schema_version":"1.0"},"canonical_sha256":"ba38ed70d7fffd0230fcbaa011375d0bef628f9ad5ab5cb29d975209c8ab61b4","source":{"kind":"arxiv","id":"gr-qc/9909034","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9909034","created_at":"2026-05-18T01:06:43Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9909034v1","created_at":"2026-05-18T01:06:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9909034","created_at":"2026-05-18T01:06:43Z"},{"alias_kind":"pith_short_12","alias_value":"XI4O24GX776Q","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"XI4O24GX776QEMH4","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"XI4O24GX","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1999:XI4O24GX776QEMH4XKQBCN25BP","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9909034","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1999-09-10T07:41:12Z","cross_cats_sorted":[],"title_canon_sha256":"abaafc4be9e9b111930afa9b4267380fc2cfc093d03f2126eeb6c405d0f12ad0","abstract_canon_sha256":"97caca07915e7dbfa088f20b23b05eb4f90eca87ad6e845a02c46269d71a8d2c"},"schema_version":"1.0"},"canonical_sha256":"ba38ed70d7fffd0230fcbaa011375d0bef628f9ad5ab5cb29d975209c8ab61b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:43.980945Z","signature_b64":"bawSrtkgrpz/ygIeWwFsm0MFvenp+dtddJ7ZbldAMXrWLGyh1GSmUawt1W1ORHkX2Sj/CR/ctXDRLqoSCuTyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba38ed70d7fffd0230fcbaa011375d0bef628f9ad5ab5cb29d975209c8ab61b4","last_reissued_at":"2026-05-18T01:06:43.980466Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:43.980466Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9909034","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:06:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVMrRzp8zJbNjck1g/63NoM+qwzSwJuWxMaVD0rNSHLJ+4683pJnrWj7dJ+SYnabVN56nziCN7z7y3b5knZmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:35:26.537713Z"},"content_sha256":"be76dc63299a52b8bbff5eace5b4542069c97ad6b6c28ce3e060a363a9f3b3ba","schema_version":"1.0","event_id":"sha256:be76dc63299a52b8bbff5eace5b4542069c97ad6b6c28ce3e060a363a9f3b3ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1999:XI4O24GX776QEMH4XKQBCN25BP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantization of Gravitational Waves and Squeezing","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Debrecen, Hungary), I. Lovas (Kossuth Lajos University","submitted_at":"1999-09-10T07:41:12Z","abstract_excerpt":"The question whether gravitational waves are quantised or not can in principle be answered by the help of correlation measurements. If the gravitational waves are quantised and they are generated by the change of the background metrics then they can be in squeezed state.\n In a sqeezed state there is a correlation between the phase of the wave and the quantum fluctuations. It is recommended to analyse the data to be obtained by the gravitational detectors from the point of view of such correlations. An explicit formula is derived for the squeezing parameter of the quantised gravitational waves."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9909034","kind":"arxiv","version":1},"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":"2026-05-18T01:06:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K5BA8M5QGbR8SwduT5eJpFDDAawNrCEEgDRel9SttNBUWsHOgjl5Hm6P9gnEPwK7v6LMXm0K45L6+BloTbBWAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T10:35:26.538484Z"},"content_sha256":"0bb0492ff7b6dab249a4c9d3ce6e808228db868e6c931f9738b57c667bb50803","schema_version":"1.0","event_id":"sha256:0bb0492ff7b6dab249a4c9d3ce6e808228db868e6c931f9738b57c667bb50803"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XI4O24GX776QEMH4XKQBCN25BP/bundle.json","state_url":"https://pith.science/pith/XI4O24GX776QEMH4XKQBCN25BP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XI4O24GX776QEMH4XKQBCN25BP/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":"2026-06-09T10:35:26Z","links":{"resolver":"https://pith.science/pith/XI4O24GX776QEMH4XKQBCN25BP","bundle":"https://pith.science/pith/XI4O24GX776QEMH4XKQBCN25BP/bundle.json","state":"https://pith.science/pith/XI4O24GX776QEMH4XKQBCN25BP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XI4O24GX776QEMH4XKQBCN25BP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:XI4O24GX776QEMH4XKQBCN25BP","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":"97caca07915e7dbfa088f20b23b05eb4f90eca87ad6e845a02c46269d71a8d2c","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1999-09-10T07:41:12Z","title_canon_sha256":"abaafc4be9e9b111930afa9b4267380fc2cfc093d03f2126eeb6c405d0f12ad0"},"schema_version":"1.0","source":{"id":"gr-qc/9909034","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9909034","created_at":"2026-05-18T01:06:43Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9909034v1","created_at":"2026-05-18T01:06:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9909034","created_at":"2026-05-18T01:06:43Z"},{"alias_kind":"pith_short_12","alias_value":"XI4O24GX776Q","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"XI4O24GX776QEMH4","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"XI4O24GX","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:0bb0492ff7b6dab249a4c9d3ce6e808228db868e6c931f9738b57c667bb50803","target":"graph","created_at":"2026-05-18T01:06:43Z","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":"The question whether gravitational waves are quantised or not can in principle be answered by the help of correlation measurements. If the gravitational waves are quantised and they are generated by the change of the background metrics then they can be in squeezed state.\n In a sqeezed state there is a correlation between the phase of the wave and the quantum fluctuations. It is recommended to analyse the data to be obtained by the gravitational detectors from the point of view of such correlations. An explicit formula is derived for the squeezing parameter of the quantised gravitational waves.","authors_text":"Debrecen, Hungary), I. Lovas (Kossuth Lajos University","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1999-09-10T07:41:12Z","title":"Quantization of Gravitational Waves and Squeezing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9909034","kind":"arxiv","version":1},"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:be76dc63299a52b8bbff5eace5b4542069c97ad6b6c28ce3e060a363a9f3b3ba","target":"record","created_at":"2026-05-18T01:06:43Z","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":"97caca07915e7dbfa088f20b23b05eb4f90eca87ad6e845a02c46269d71a8d2c","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"1999-09-10T07:41:12Z","title_canon_sha256":"abaafc4be9e9b111930afa9b4267380fc2cfc093d03f2126eeb6c405d0f12ad0"},"schema_version":"1.0","source":{"id":"gr-qc/9909034","kind":"arxiv","version":1}},"canonical_sha256":"ba38ed70d7fffd0230fcbaa011375d0bef628f9ad5ab5cb29d975209c8ab61b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba38ed70d7fffd0230fcbaa011375d0bef628f9ad5ab5cb29d975209c8ab61b4","first_computed_at":"2026-05-18T01:06:43.980466Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:43.980466Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bawSrtkgrpz/ygIeWwFsm0MFvenp+dtddJ7ZbldAMXrWLGyh1GSmUawt1W1ORHkX2Sj/CR/ctXDRLqoSCuTyBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:43.980945Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9909034","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be76dc63299a52b8bbff5eace5b4542069c97ad6b6c28ce3e060a363a9f3b3ba","sha256:0bb0492ff7b6dab249a4c9d3ce6e808228db868e6c931f9738b57c667bb50803"],"state_sha256":"21c7df88131e541ad01f5cd84a7a671cf94dbcd64c893f25523401da56ab32ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xmrw3EvLQ2IyMUWaxf1BsNJWW2iqvSiCQmWwkxPJCHhoM8DqNcyItV+VrfYS5kpNuyZ5JAu0hidPhoTnldkNAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T10:35:26.542795Z","bundle_sha256":"f326e8bbf2ab525924448bc21b8c10cc91bfd6f1e2943d7a346625b9412217d6"}}