{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ZJHSY766GN5GDOOQ5X2FOVGZUU","short_pith_number":"pith:ZJHSY766","canonical_record":{"source":{"id":"1510.05007","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-16T20:04:03Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"fe8e9517ae33c19505dd418a0b8849e1b8412a1df5d3c3706afaeea8c77c283c","abstract_canon_sha256":"0f12d0977d41d14da35ab294ea0ed1cc199a90ba6cf5d930bb4a84415d65c6a1"},"schema_version":"1.0"},"canonical_sha256":"ca4f2c7fde337a61b9d0edf45754d9a5348ea4234098cd3fca62645322f13f5e","source":{"kind":"arxiv","id":"1510.05007","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05007","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05007v1","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05007","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"pith_short_12","alias_value":"ZJHSY766GN5G","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZJHSY766GN5GDOOQ","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZJHSY766","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ZJHSY766GN5GDOOQ5X2FOVGZUU","target":"record","payload":{"canonical_record":{"source":{"id":"1510.05007","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-16T20:04:03Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"fe8e9517ae33c19505dd418a0b8849e1b8412a1df5d3c3706afaeea8c77c283c","abstract_canon_sha256":"0f12d0977d41d14da35ab294ea0ed1cc199a90ba6cf5d930bb4a84415d65c6a1"},"schema_version":"1.0"},"canonical_sha256":"ca4f2c7fde337a61b9d0edf45754d9a5348ea4234098cd3fca62645322f13f5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:43.322470Z","signature_b64":"ebTdqb1jBIOw5IH0cU+EKce/oH6Znwrf0qLlzfDYhGj1QSqVpM5TkQ/wMbLiq1V2boRDpr/wstyEwbLePh9CBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca4f2c7fde337a61b9d0edf45754d9a5348ea4234098cd3fca62645322f13f5e","last_reissued_at":"2026-05-18T01:17:43.321710Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:43.321710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.05007","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":"2026-05-18T01:17:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rlJf/jG5IZk2Wq05qkBLAd3AL+n/FiSPX0W93rjm/orFl44WC0WX+he7peoMRNe+pfwVW7+I187DJ8x/cAkhAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T00:56:30.366310Z"},"content_sha256":"6178488aeeaa392b8fb97725b35bc985a2d42a24b86a71d8a0fc3e12c4d63ba8","schema_version":"1.0","event_id":"sha256:6178488aeeaa392b8fb97725b35bc985a2d42a24b86a71d8a0fc3e12c4d63ba8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ZJHSY766GN5GDOOQ5X2FOVGZUU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A bosonic topological phase in a paired superfluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"cond-mat.str-el","authors_text":"Ashvin Vishwanath, Snir Gazit","submitted_at":"2015-10-16T20:04:03Z","abstract_excerpt":"We study an effective model of two interacting species of bosons in two dimensions, which is amenable to sign problem free Monte Carlo simulations. In addition to conventional ground states, we access a paired superfluid which is also a topological phase, protected by the remaining $U(1) \\times \\mathbb{Z}_2$ symmetry. This phase arises from the condensation of a composite object, the bound state of vortices and anti-vortices of one species, to a boson of the second species. We introduce a bulk response function, the Ising analog of the quantized Hall effect, to diagnose the topological phase. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05007","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":"2026-05-18T01:17:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lOSQ7PMsq1QoGNRqtJa+QeiHw2//EFsKvaL23qoPUZADtD/y5iQ+LjPAzVaNJGnbxv6zNE3F1V1aSA8fh8chCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T00:56:30.367005Z"},"content_sha256":"d4c068eeaba9b375337f6e7a51707d2104385f02cb1810965088a673bffc59c3","schema_version":"1.0","event_id":"sha256:d4c068eeaba9b375337f6e7a51707d2104385f02cb1810965088a673bffc59c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZJHSY766GN5GDOOQ5X2FOVGZUU/bundle.json","state_url":"https://pith.science/pith/ZJHSY766GN5GDOOQ5X2FOVGZUU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZJHSY766GN5GDOOQ5X2FOVGZUU/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":"2026-05-22T00:56:30Z","links":{"resolver":"https://pith.science/pith/ZJHSY766GN5GDOOQ5X2FOVGZUU","bundle":"https://pith.science/pith/ZJHSY766GN5GDOOQ5X2FOVGZUU/bundle.json","state":"https://pith.science/pith/ZJHSY766GN5GDOOQ5X2FOVGZUU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZJHSY766GN5GDOOQ5X2FOVGZUU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ZJHSY766GN5GDOOQ5X2FOVGZUU","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":"0f12d0977d41d14da35ab294ea0ed1cc199a90ba6cf5d930bb4a84415d65c6a1","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-16T20:04:03Z","title_canon_sha256":"fe8e9517ae33c19505dd418a0b8849e1b8412a1df5d3c3706afaeea8c77c283c"},"schema_version":"1.0","source":{"id":"1510.05007","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05007","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05007v1","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05007","created_at":"2026-05-18T01:17:43Z"},{"alias_kind":"pith_short_12","alias_value":"ZJHSY766GN5G","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZJHSY766GN5GDOOQ","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZJHSY766","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:d4c068eeaba9b375337f6e7a51707d2104385f02cb1810965088a673bffc59c3","target":"graph","created_at":"2026-05-18T01:17:43Z","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":"We study an effective model of two interacting species of bosons in two dimensions, which is amenable to sign problem free Monte Carlo simulations. In addition to conventional ground states, we access a paired superfluid which is also a topological phase, protected by the remaining $U(1) \\times \\mathbb{Z}_2$ symmetry. This phase arises from the condensation of a composite object, the bound state of vortices and anti-vortices of one species, to a boson of the second species. We introduce a bulk response function, the Ising analog of the quantized Hall effect, to diagnose the topological phase. ","authors_text":"Ashvin Vishwanath, Snir Gazit","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-16T20:04:03Z","title":"A bosonic topological phase in a paired superfluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05007","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":"sha256:6178488aeeaa392b8fb97725b35bc985a2d42a24b86a71d8a0fc3e12c4d63ba8","target":"record","created_at":"2026-05-18T01:17:43Z","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":"0f12d0977d41d14da35ab294ea0ed1cc199a90ba6cf5d930bb4a84415d65c6a1","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-16T20:04:03Z","title_canon_sha256":"fe8e9517ae33c19505dd418a0b8849e1b8412a1df5d3c3706afaeea8c77c283c"},"schema_version":"1.0","source":{"id":"1510.05007","kind":"arxiv","version":1}},"canonical_sha256":"ca4f2c7fde337a61b9d0edf45754d9a5348ea4234098cd3fca62645322f13f5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca4f2c7fde337a61b9d0edf45754d9a5348ea4234098cd3fca62645322f13f5e","first_computed_at":"2026-05-18T01:17:43.321710Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:43.321710Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ebTdqb1jBIOw5IH0cU+EKce/oH6Znwrf0qLlzfDYhGj1QSqVpM5TkQ/wMbLiq1V2boRDpr/wstyEwbLePh9CBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:43.322470Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.05007","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6178488aeeaa392b8fb97725b35bc985a2d42a24b86a71d8a0fc3e12c4d63ba8","sha256:d4c068eeaba9b375337f6e7a51707d2104385f02cb1810965088a673bffc59c3"],"state_sha256":"13a321d003b0cc384954a32e1ff4a945fe76d35152eb590827d6a2c46182593f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0J8zgVQd5amH8ZgxorpCR3fi4JiAc8rPuX5CBNDwkcnhK7YkQfrGvuJ1faSvHmBY9e7La1Plo1TZm+Zo8wkTBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T00:56:30.370403Z","bundle_sha256":"263618efa861e636bfcdfa179afd13adaf123aff9e47b82b26b51aa031e7b13d"}}