{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:QRJBXFCFIZHPJPWAXAHDKWKSDQ","short_pith_number":"pith:QRJBXFCF","canonical_record":{"source":{"id":"2608.05503","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-08-06T01:12:13Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"ec24250ad3cc6d9508df7a817a77721cca93e347672a2719d094b89b6764cffc","abstract_canon_sha256":"1c2621f5bf5f864b7fce7daa3a4b3a2665c1825eca636b4989a44069deac71f0"},"schema_version":"1.0"},"canonical_sha256":"84521b9445464ef4bec0b80e3559521c2f401aef6b2a5c3081d333e479515d6e","source":{"kind":"arxiv","id":"2608.05503","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.05503","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"arxiv_version","alias_value":"2608.05503v1","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.05503","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"pith_short_12","alias_value":"QRJBXFCFIZHP","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"pith_short_16","alias_value":"QRJBXFCFIZHPJPWA","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"pith_short_8","alias_value":"QRJBXFCF","created_at":"2026-08-07T00:47:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:QRJBXFCFIZHPJPWAXAHDKWKSDQ","target":"record","payload":{"canonical_record":{"source":{"id":"2608.05503","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-08-06T01:12:13Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"ec24250ad3cc6d9508df7a817a77721cca93e347672a2719d094b89b6764cffc","abstract_canon_sha256":"1c2621f5bf5f864b7fce7daa3a4b3a2665c1825eca636b4989a44069deac71f0"},"schema_version":"1.0"},"canonical_sha256":"84521b9445464ef4bec0b80e3559521c2f401aef6b2a5c3081d333e479515d6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-07T00:47:59.416354Z","signature_b64":"+3K1JEQAR1myihjyMde7LbU9XW6iIO2/n1uRKz9mE89qdX5Q33a3vdIAAu6hLBc0fTIfw3II3vXQeVtIbPoJAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84521b9445464ef4bec0b80e3559521c2f401aef6b2a5c3081d333e479515d6e","last_reissued_at":"2026-08-07T00:47:59.414906Z","signature_status":"signed_v1","first_computed_at":"2026-08-07T00:47:59.414906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.05503","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":"2026-08-07T00:47:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M3ee1tWbAyWu8OgkTSuahAFeljOFw/15Ty2qjLCFNm5+s0fWRvLl44W6Yov3CHMd5DP/Eh+N5MujmUM22jQqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T20:29:39.768938Z"},"content_sha256":"92b22f74811a9046db616d5bfd30b73eef0b976beee30ca7ddb99e106341fd48","schema_version":"1.0","event_id":"sha256:92b22f74811a9046db616d5bfd30b73eef0b976beee30ca7ddb99e106341fd48"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:QRJBXFCFIZHPJPWAXAHDKWKSDQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generating two-mechanical mode entangled cat states, and steady-state entanglement, in cavity optomechanics in the presence of dissipation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Jason Twamley, Sanket Das","submitted_at":"2026-08-06T01:12:13Z","abstract_excerpt":"We investigate a dissipation-engineering approach to produce a phase-dependent collective-mode Schr\\\"odinger cat state involving two modes. Our model features a single cavity mode that interacts with two spectrally identical mechanical oscillators. Both oscillators are coupled through a phase-dependent hopping interaction. We demonstrate that by adjusting the phase of the phonon-hopping interaction, one can control the bipartite entanglement of the phase-dependent two-mode cat state during its generation. Additionally, our study reveals that phonon interactions act as a tunable parameter, enab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.05503","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.05503/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-08-07T00:47:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"37ndLG7PYZHelI3a+bU4M01HvYuH4dhLNIVtr1HU3Efb0UGz9zcWniccz0uvQysjGNBnk6uUXf5YJkRiG+9BCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T20:29:39.769999Z"},"content_sha256":"43fb564581377be16be94a336e8a9e0b475a34bf56974f7bd9735ffe62d83b02","schema_version":"1.0","event_id":"sha256:43fb564581377be16be94a336e8a9e0b475a34bf56974f7bd9735ffe62d83b02"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QRJBXFCFIZHPJPWAXAHDKWKSDQ/bundle.json","state_url":"https://pith.science/pith/QRJBXFCFIZHPJPWAXAHDKWKSDQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QRJBXFCFIZHPJPWAXAHDKWKSDQ/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":"2026-08-13T20:29:39Z","links":{"resolver":"https://pith.science/pith/QRJBXFCFIZHPJPWAXAHDKWKSDQ","bundle":"https://pith.science/pith/QRJBXFCFIZHPJPWAXAHDKWKSDQ/bundle.json","state":"https://pith.science/pith/QRJBXFCFIZHPJPWAXAHDKWKSDQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QRJBXFCFIZHPJPWAXAHDKWKSDQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QRJBXFCFIZHPJPWAXAHDKWKSDQ","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":"1c2621f5bf5f864b7fce7daa3a4b3a2665c1825eca636b4989a44069deac71f0","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-08-06T01:12:13Z","title_canon_sha256":"ec24250ad3cc6d9508df7a817a77721cca93e347672a2719d094b89b6764cffc"},"schema_version":"1.0","source":{"id":"2608.05503","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.05503","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"arxiv_version","alias_value":"2608.05503v1","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.05503","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"pith_short_12","alias_value":"QRJBXFCFIZHP","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"pith_short_16","alias_value":"QRJBXFCFIZHPJPWA","created_at":"2026-08-07T00:47:59Z"},{"alias_kind":"pith_short_8","alias_value":"QRJBXFCF","created_at":"2026-08-07T00:47:59Z"}],"graph_snapshots":[{"event_id":"sha256:43fb564581377be16be94a336e8a9e0b475a34bf56974f7bd9735ffe62d83b02","target":"graph","created_at":"2026-08-07T00:47:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2608.05503/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate a dissipation-engineering approach to produce a phase-dependent collective-mode Schr\\\"odinger cat state involving two modes. Our model features a single cavity mode that interacts with two spectrally identical mechanical oscillators. Both oscillators are coupled through a phase-dependent hopping interaction. We demonstrate that by adjusting the phase of the phonon-hopping interaction, one can control the bipartite entanglement of the phase-dependent two-mode cat state during its generation. Additionally, our study reveals that phonon interactions act as a tunable parameter, enab","authors_text":"Jason Twamley, Sanket Das","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-08-06T01:12:13Z","title":"Generating two-mechanical mode entangled cat states, and steady-state entanglement, in cavity optomechanics in the presence of dissipation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.05503","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":"sha256:92b22f74811a9046db616d5bfd30b73eef0b976beee30ca7ddb99e106341fd48","target":"record","created_at":"2026-08-07T00:47:59Z","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":"1c2621f5bf5f864b7fce7daa3a4b3a2665c1825eca636b4989a44069deac71f0","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-08-06T01:12:13Z","title_canon_sha256":"ec24250ad3cc6d9508df7a817a77721cca93e347672a2719d094b89b6764cffc"},"schema_version":"1.0","source":{"id":"2608.05503","kind":"arxiv","version":1}},"canonical_sha256":"84521b9445464ef4bec0b80e3559521c2f401aef6b2a5c3081d333e479515d6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"84521b9445464ef4bec0b80e3559521c2f401aef6b2a5c3081d333e479515d6e","first_computed_at":"2026-08-07T00:47:59.414906Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-07T00:47:59.414906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+3K1JEQAR1myihjyMde7LbU9XW6iIO2/n1uRKz9mE89qdX5Q33a3vdIAAu6hLBc0fTIfw3II3vXQeVtIbPoJAg==","signature_status":"signed_v1","signed_at":"2026-08-07T00:47:59.416354Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.05503","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:92b22f74811a9046db616d5bfd30b73eef0b976beee30ca7ddb99e106341fd48","sha256:43fb564581377be16be94a336e8a9e0b475a34bf56974f7bd9735ffe62d83b02"],"state_sha256":"5684680dea20e35bf0e8181f676a0b16333699770ff8a7369654b06cbff1ea11"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bdvfALVqFwEo7XRge0qH1+7dTpdb52/K5rQfAPTZ69y3y3ELAtm7I6/YBtM8EQ0O/WJ7oOcp8tL4ez52nXWoCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T20:29:39.800590Z","bundle_sha256":"bb1db87594e017135065d1824f1602c61e4a1548c451b99b0f5f143e6f2d1067"}}