{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:Y5UKNA375FY46QWKJRWYIKLWKV","short_pith_number":"pith:Y5UKNA37","canonical_record":{"source":{"id":"1612.05809","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-17T19:07:15Z","cross_cats_sorted":[],"title_canon_sha256":"959e045c64c680af11ad1714760c3d3a12811b3838c32ca28c1e7611a7247756","abstract_canon_sha256":"a226c97be10ca18e0e9f98ec8c4da2eb665a7d0aed1b65a9b56d917ca3990401"},"schema_version":"1.0"},"canonical_sha256":"c768a6837fe971cf42ca4c6d8429765577a2a36ee66cc8dc22a491fadaccad06","source":{"kind":"arxiv","id":"1612.05809","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.05809","created_at":"2026-05-18T00:26:08Z"},{"alias_kind":"arxiv_version","alias_value":"1612.05809v3","created_at":"2026-05-18T00:26:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.05809","created_at":"2026-05-18T00:26:08Z"},{"alias_kind":"pith_short_12","alias_value":"Y5UKNA375FY4","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"Y5UKNA375FY46QWK","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"Y5UKNA37","created_at":"2026-05-18T12:30:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:Y5UKNA375FY46QWKJRWYIKLWKV","target":"record","payload":{"canonical_record":{"source":{"id":"1612.05809","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-17T19:07:15Z","cross_cats_sorted":[],"title_canon_sha256":"959e045c64c680af11ad1714760c3d3a12811b3838c32ca28c1e7611a7247756","abstract_canon_sha256":"a226c97be10ca18e0e9f98ec8c4da2eb665a7d0aed1b65a9b56d917ca3990401"},"schema_version":"1.0"},"canonical_sha256":"c768a6837fe971cf42ca4c6d8429765577a2a36ee66cc8dc22a491fadaccad06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:08.461010Z","signature_b64":"EZ8b3f1LOcTSIhIMOt0Hw2lfkHA6RP21VMyR8HOmPzVrR/KzJoyT76Z0I1P4SuqQffQN67iBypye5NdDSAq5Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c768a6837fe971cf42ca4c6d8429765577a2a36ee66cc8dc22a491fadaccad06","last_reissued_at":"2026-05-18T00:26:08.460481Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:08.460481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.05809","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:26:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uj123M+2YcZJOvhyZEWWKhWXBqWPJFNA9uJWxkybs/5Xjdw8Jfs0hC+lKP31Ig9TRlIuDC15lt9P6obc6mWtDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T22:34:52.234068Z"},"content_sha256":"2f5b757b8270bc1eace575b11dc47525c33012a14155bdb962c40fc661747de9","schema_version":"1.0","event_id":"sha256:2f5b757b8270bc1eace575b11dc47525c33012a14155bdb962c40fc661747de9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:Y5UKNA375FY46QWKJRWYIKLWKV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Physics of hollow Bose-Einstein condensates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Courtney Lannert, Karmela Padavi\\'c, Kuei Sun, Smitha Vishveshwara","submitted_at":"2016-12-17T19:07:15Z","abstract_excerpt":"Bose-Einstein condensate shells, while occurring in ultracold systems of coexisting phases and potentially within neutron stars, have yet to be realized in isolation on Earth due to the experimental challenge of overcoming gravitational sag. Motivated by the expected realization of hollow condensates by the space-based Cold Atomic Laboratory in microgravity conditions, we study a spherical condensate undergoing a topological change from a filled sphere to a hollow shell. We argue that the collective modes of the system show marked and robust signatures of this hollowing transition accompanied "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.05809","kind":"arxiv","version":3},"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":"2026-05-18T00:26:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ef8RliZnhnMM3E+UkY74Wyd0HrGpE2Zl3VCGsF7WMilb5fk4mPK1WSIT+S5l+3j4/bstHXPmY574/NFfp2TcAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T22:34:52.234756Z"},"content_sha256":"0ef2f3ae55d806bec07bbe317658bba6b4cb7ae4f8306e73505e256c96bdccd2","schema_version":"1.0","event_id":"sha256:0ef2f3ae55d806bec07bbe317658bba6b4cb7ae4f8306e73505e256c96bdccd2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y5UKNA375FY46QWKJRWYIKLWKV/bundle.json","state_url":"https://pith.science/pith/Y5UKNA375FY46QWKJRWYIKLWKV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y5UKNA375FY46QWKJRWYIKLWKV/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":"2026-06-06T22:34:52Z","links":{"resolver":"https://pith.science/pith/Y5UKNA375FY46QWKJRWYIKLWKV","bundle":"https://pith.science/pith/Y5UKNA375FY46QWKJRWYIKLWKV/bundle.json","state":"https://pith.science/pith/Y5UKNA375FY46QWKJRWYIKLWKV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y5UKNA375FY46QWKJRWYIKLWKV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:Y5UKNA375FY46QWKJRWYIKLWKV","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":"a226c97be10ca18e0e9f98ec8c4da2eb665a7d0aed1b65a9b56d917ca3990401","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-17T19:07:15Z","title_canon_sha256":"959e045c64c680af11ad1714760c3d3a12811b3838c32ca28c1e7611a7247756"},"schema_version":"1.0","source":{"id":"1612.05809","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.05809","created_at":"2026-05-18T00:26:08Z"},{"alias_kind":"arxiv_version","alias_value":"1612.05809v3","created_at":"2026-05-18T00:26:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.05809","created_at":"2026-05-18T00:26:08Z"},{"alias_kind":"pith_short_12","alias_value":"Y5UKNA375FY4","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"Y5UKNA375FY46QWK","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"Y5UKNA37","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:0ef2f3ae55d806bec07bbe317658bba6b4cb7ae4f8306e73505e256c96bdccd2","target":"graph","created_at":"2026-05-18T00:26:08Z","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":"Bose-Einstein condensate shells, while occurring in ultracold systems of coexisting phases and potentially within neutron stars, have yet to be realized in isolation on Earth due to the experimental challenge of overcoming gravitational sag. Motivated by the expected realization of hollow condensates by the space-based Cold Atomic Laboratory in microgravity conditions, we study a spherical condensate undergoing a topological change from a filled sphere to a hollow shell. We argue that the collective modes of the system show marked and robust signatures of this hollowing transition accompanied ","authors_text":"Courtney Lannert, Karmela Padavi\\'c, Kuei Sun, Smitha Vishveshwara","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-17T19:07:15Z","title":"Physics of hollow Bose-Einstein condensates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.05809","kind":"arxiv","version":3},"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":"sha256:2f5b757b8270bc1eace575b11dc47525c33012a14155bdb962c40fc661747de9","target":"record","created_at":"2026-05-18T00:26:08Z","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":"a226c97be10ca18e0e9f98ec8c4da2eb665a7d0aed1b65a9b56d917ca3990401","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2016-12-17T19:07:15Z","title_canon_sha256":"959e045c64c680af11ad1714760c3d3a12811b3838c32ca28c1e7611a7247756"},"schema_version":"1.0","source":{"id":"1612.05809","kind":"arxiv","version":3}},"canonical_sha256":"c768a6837fe971cf42ca4c6d8429765577a2a36ee66cc8dc22a491fadaccad06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c768a6837fe971cf42ca4c6d8429765577a2a36ee66cc8dc22a491fadaccad06","first_computed_at":"2026-05-18T00:26:08.460481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:08.460481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EZ8b3f1LOcTSIhIMOt0Hw2lfkHA6RP21VMyR8HOmPzVrR/KzJoyT76Z0I1P4SuqQffQN67iBypye5NdDSAq5Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:08.461010Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.05809","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f5b757b8270bc1eace575b11dc47525c33012a14155bdb962c40fc661747de9","sha256:0ef2f3ae55d806bec07bbe317658bba6b4cb7ae4f8306e73505e256c96bdccd2"],"state_sha256":"207c28c83bc1e7c44cbec8f7af82645d6cf01e92d947185e9e504860e9675925"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"83z7JgWkIrth2995XA9vRIGv/kMsb9jfXe6R3Ugnnof3bbc5rtUR87zebbw0K2hN32lyR+wqx4TzCm3ngFjqCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T22:34:52.238489Z","bundle_sha256":"b3920ff2a8be36b50284e6d835227e43ab7250689961aab1e54e40579e827c73"}}