{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:Z62ZXLO33HUQVOTXHFV46ANJZT","short_pith_number":"pith:Z62ZXLO3","canonical_record":{"source":{"id":"1510.02279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-08T11:15:17Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"dfebabab565b0818513cb5d297c5327c7fb24d1a3440f632a160788e9b11ea3e","abstract_canon_sha256":"b69b092f49faadc6c8d8afdf5bb924294d1a996a9bcbdc983b05d5fa3acc9ff1"},"schema_version":"1.0"},"canonical_sha256":"cfb59baddbd9e90aba77396bcf01a9ccdc8df8de91efebfad64eee520d72a1c4","source":{"kind":"arxiv","id":"1510.02279","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02279","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02279v1","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02279","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"pith_short_12","alias_value":"Z62ZXLO33HUQ","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"Z62ZXLO33HUQVOTX","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"Z62ZXLO3","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:Z62ZXLO33HUQVOTXHFV46ANJZT","target":"record","payload":{"canonical_record":{"source":{"id":"1510.02279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-08T11:15:17Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"dfebabab565b0818513cb5d297c5327c7fb24d1a3440f632a160788e9b11ea3e","abstract_canon_sha256":"b69b092f49faadc6c8d8afdf5bb924294d1a996a9bcbdc983b05d5fa3acc9ff1"},"schema_version":"1.0"},"canonical_sha256":"cfb59baddbd9e90aba77396bcf01a9ccdc8df8de91efebfad64eee520d72a1c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:44.241369Z","signature_b64":"jmv6pN6OI/jNVmpGMdtMCSd+SeB7JCkPMdQfoVF7vk7HbnjPsXkjyJTjdMpe9f8WSEXNF0Np41E0y4zCeA9GDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfb59baddbd9e90aba77396bcf01a9ccdc8df8de91efebfad64eee520d72a1c4","last_reissued_at":"2026-05-18T01:30:44.240842Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:44.240842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.02279","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":"2026-05-18T01:30:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5kwrFP6I4ZBmztPgh6dJmoYm1nqwOkIR6LwrDPy3sHlVm/foMFoUlOa7LG5tv5D5lIPJvoQ0jAv1/5mZ5v7iBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:10:58.476335Z"},"content_sha256":"690bd30b9e085608ace6f5a7144563da51a6743508227bf1bace863588c4b0e4","schema_version":"1.0","event_id":"sha256:690bd30b9e085608ace6f5a7144563da51a6743508227bf1bace863588c4b0e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:Z62ZXLO33HUQVOTXHFV46ANJZT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stability and stabilization of unstable condensates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Doron Cohen","submitted_at":"2015-10-08T11:15:17Z","abstract_excerpt":"It is possible to condense a macroscopic number of bosons into a single mode. Adding interactions the question arises whether the condensate is stable. For repulsive interaction the answer is positive with regard to the ground-state, but what about a condensation in an excited mode? We discuss some results that have been obtained for a 2-mode bosonic Josephson junction, and for a 3-mode minimal-model of a superfluid circuit. Additionally we mention the possibility to stabilize an unstable condensate by introducing periodic or noisy driving into the system: this is due to the Kapitza and the Ze"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02279","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":"2026-05-18T01:30:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XALFpqhE9NAYLoYpog953d+nyLrHOoFXA/wfQrqwLLBlRJcYfoAwX4wcwW7tRZXgymNyEE8ItgeyVn/3LI01AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:10:58.476685Z"},"content_sha256":"cbab7c507b72f7182aa374907ad4bdb8a0986460db0f726fff45653354a52fc5","schema_version":"1.0","event_id":"sha256:cbab7c507b72f7182aa374907ad4bdb8a0986460db0f726fff45653354a52fc5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z62ZXLO33HUQVOTXHFV46ANJZT/bundle.json","state_url":"https://pith.science/pith/Z62ZXLO33HUQVOTXHFV46ANJZT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z62ZXLO33HUQVOTXHFV46ANJZT/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":"2026-06-04T03:10:58Z","links":{"resolver":"https://pith.science/pith/Z62ZXLO33HUQVOTXHFV46ANJZT","bundle":"https://pith.science/pith/Z62ZXLO33HUQVOTXHFV46ANJZT/bundle.json","state":"https://pith.science/pith/Z62ZXLO33HUQVOTXHFV46ANJZT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z62ZXLO33HUQVOTXHFV46ANJZT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Z62ZXLO33HUQVOTXHFV46ANJZT","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":"b69b092f49faadc6c8d8afdf5bb924294d1a996a9bcbdc983b05d5fa3acc9ff1","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-08T11:15:17Z","title_canon_sha256":"dfebabab565b0818513cb5d297c5327c7fb24d1a3440f632a160788e9b11ea3e"},"schema_version":"1.0","source":{"id":"1510.02279","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.02279","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"arxiv_version","alias_value":"1510.02279v1","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02279","created_at":"2026-05-18T01:30:44Z"},{"alias_kind":"pith_short_12","alias_value":"Z62ZXLO33HUQ","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"Z62ZXLO33HUQVOTX","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"Z62ZXLO3","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:cbab7c507b72f7182aa374907ad4bdb8a0986460db0f726fff45653354a52fc5","target":"graph","created_at":"2026-05-18T01:30:44Z","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":"It is possible to condense a macroscopic number of bosons into a single mode. Adding interactions the question arises whether the condensate is stable. For repulsive interaction the answer is positive with regard to the ground-state, but what about a condensation in an excited mode? We discuss some results that have been obtained for a 2-mode bosonic Josephson junction, and for a 3-mode minimal-model of a superfluid circuit. Additionally we mention the possibility to stabilize an unstable condensate by introducing periodic or noisy driving into the system: this is due to the Kapitza and the Ze","authors_text":"Doron Cohen","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-08T11:15:17Z","title":"Stability and stabilization of unstable condensates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02279","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":"sha256:690bd30b9e085608ace6f5a7144563da51a6743508227bf1bace863588c4b0e4","target":"record","created_at":"2026-05-18T01:30:44Z","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":"b69b092f49faadc6c8d8afdf5bb924294d1a996a9bcbdc983b05d5fa3acc9ff1","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-10-08T11:15:17Z","title_canon_sha256":"dfebabab565b0818513cb5d297c5327c7fb24d1a3440f632a160788e9b11ea3e"},"schema_version":"1.0","source":{"id":"1510.02279","kind":"arxiv","version":1}},"canonical_sha256":"cfb59baddbd9e90aba77396bcf01a9ccdc8df8de91efebfad64eee520d72a1c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfb59baddbd9e90aba77396bcf01a9ccdc8df8de91efebfad64eee520d72a1c4","first_computed_at":"2026-05-18T01:30:44.240842Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:44.240842Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jmv6pN6OI/jNVmpGMdtMCSd+SeB7JCkPMdQfoVF7vk7HbnjPsXkjyJTjdMpe9f8WSEXNF0Np41E0y4zCeA9GDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:44.241369Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.02279","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:690bd30b9e085608ace6f5a7144563da51a6743508227bf1bace863588c4b0e4","sha256:cbab7c507b72f7182aa374907ad4bdb8a0986460db0f726fff45653354a52fc5"],"state_sha256":"6bd9ce2bdda58fb5f405e00701d0e83fb69eb9083da58c74535e6c15f0e61845"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+yg2EyOHaj3z/qJicatEMXsETzx1dGnsPJkJhvibKZMOae2ngX9xUOfqFLX2eTYX0yhMu3tQSxjvQYtq7PUbAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:10:58.478690Z","bundle_sha256":"3001d0ce5dcbedef11338c5ca179af588962c48aec57a1216f0abb0851cd4469"}}