{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:6NGZLUODI2CPQCC4EJ3TOGCEQD","short_pith_number":"pith:6NGZLUOD","canonical_record":{"source":{"id":"1605.01672","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-05-05T17:58:49Z","cross_cats_sorted":[],"title_canon_sha256":"e89cc86752922c818c79ffae4280541d466e607d307a3c1cc913f97488582f08","abstract_canon_sha256":"87adfa9a27d89703991b4d10e053d3aeb9f3a8184e83d2d22d4cf89684012695"},"schema_version":"1.0"},"canonical_sha256":"f34d95d1c34684f8085c227737184480cb44a915f2b2853619e179bdcb55d17b","source":{"kind":"arxiv","id":"1605.01672","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.01672","created_at":"2026-05-18T00:47:14Z"},{"alias_kind":"arxiv_version","alias_value":"1605.01672v2","created_at":"2026-05-18T00:47:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.01672","created_at":"2026-05-18T00:47:14Z"},{"alias_kind":"pith_short_12","alias_value":"6NGZLUODI2CP","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6NGZLUODI2CPQCC4","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6NGZLUOD","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:6NGZLUODI2CPQCC4EJ3TOGCEQD","target":"record","payload":{"canonical_record":{"source":{"id":"1605.01672","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-05-05T17:58:49Z","cross_cats_sorted":[],"title_canon_sha256":"e89cc86752922c818c79ffae4280541d466e607d307a3c1cc913f97488582f08","abstract_canon_sha256":"87adfa9a27d89703991b4d10e053d3aeb9f3a8184e83d2d22d4cf89684012695"},"schema_version":"1.0"},"canonical_sha256":"f34d95d1c34684f8085c227737184480cb44a915f2b2853619e179bdcb55d17b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:14.758446Z","signature_b64":"b0NvfDqS5N+mh+3Dx+U9d7lrATwXaGZHijLX3KivXSBBQMAzYLJgslQYrkO1S1PQEEMgejL48oRdhpYAxALJCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f34d95d1c34684f8085c227737184480cb44a915f2b2853619e179bdcb55d17b","last_reissued_at":"2026-05-18T00:47:14.757706Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:14.757706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.01672","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:47:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xgPyd7Dp4IwRNOnxwjQhnBnP01cZgJNob7ZbKlGqGzm4z33VwF/y1Jm9ipZTOqNrPdzL5rVrTLm8Em/hMbrxBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:56:26.429127Z"},"content_sha256":"699adf26dbb5ccf3e5745228a0c4a5a0ab96bf03f070a4f4c10db845453f1416","schema_version":"1.0","event_id":"sha256:699adf26dbb5ccf3e5745228a0c4a5a0ab96bf03f070a4f4c10db845453f1416"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:6NGZLUODI2CPQCC4EJ3TOGCEQD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The BCS-BEC crossover induced by a shallow band: Pushing standard superconductivity types apart","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. A. Shanenko, A. Perali, A. Vagov, J. Albino Aguiar, S. Wolf, V. M. Axt","submitted_at":"2016-05-05T17:58:49Z","abstract_excerpt":"It is well-known that the appearance of almost-empty (shallow) conduction bands in solids strongly affects their superconducting properties. In a shallow band charge carriers are depleted and have nearly zero velocities so that the crossover from the Bardeen-Cooper-Schrieffer (BCS) superfluidity to Bose-Einstein condensation (BEC) is approached. Based on a two-band prototype system with one shallow and one deep band, we demonstrate that the fundamental phase diagram of the superconducting magnetic response changes qualitatively as compared to standard superconductors with only deep bands. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.01672","kind":"arxiv","version":2},"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":"2026-05-18T00:47:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H16z8IgEV3RReGMTxz9+4BqFNmHVRMBxeQ6tvnzHG66prJmwVQly8QlROnJTMtRTLByw+Iq4jihacnGc+ZShBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:56:26.429790Z"},"content_sha256":"c5f94c43d7e579adfb89af52d0763400ab45c6537ab58ebd62a074fde2a47422","schema_version":"1.0","event_id":"sha256:c5f94c43d7e579adfb89af52d0763400ab45c6537ab58ebd62a074fde2a47422"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6NGZLUODI2CPQCC4EJ3TOGCEQD/bundle.json","state_url":"https://pith.science/pith/6NGZLUODI2CPQCC4EJ3TOGCEQD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6NGZLUODI2CPQCC4EJ3TOGCEQD/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":"2026-05-31T02:56:26Z","links":{"resolver":"https://pith.science/pith/6NGZLUODI2CPQCC4EJ3TOGCEQD","bundle":"https://pith.science/pith/6NGZLUODI2CPQCC4EJ3TOGCEQD/bundle.json","state":"https://pith.science/pith/6NGZLUODI2CPQCC4EJ3TOGCEQD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6NGZLUODI2CPQCC4EJ3TOGCEQD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:6NGZLUODI2CPQCC4EJ3TOGCEQD","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":"87adfa9a27d89703991b4d10e053d3aeb9f3a8184e83d2d22d4cf89684012695","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-05-05T17:58:49Z","title_canon_sha256":"e89cc86752922c818c79ffae4280541d466e607d307a3c1cc913f97488582f08"},"schema_version":"1.0","source":{"id":"1605.01672","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.01672","created_at":"2026-05-18T00:47:14Z"},{"alias_kind":"arxiv_version","alias_value":"1605.01672v2","created_at":"2026-05-18T00:47:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.01672","created_at":"2026-05-18T00:47:14Z"},{"alias_kind":"pith_short_12","alias_value":"6NGZLUODI2CP","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6NGZLUODI2CPQCC4","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6NGZLUOD","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:c5f94c43d7e579adfb89af52d0763400ab45c6537ab58ebd62a074fde2a47422","target":"graph","created_at":"2026-05-18T00:47:14Z","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 well-known that the appearance of almost-empty (shallow) conduction bands in solids strongly affects their superconducting properties. In a shallow band charge carriers are depleted and have nearly zero velocities so that the crossover from the Bardeen-Cooper-Schrieffer (BCS) superfluidity to Bose-Einstein condensation (BEC) is approached. Based on a two-band prototype system with one shallow and one deep band, we demonstrate that the fundamental phase diagram of the superconducting magnetic response changes qualitatively as compared to standard superconductors with only deep bands. The ","authors_text":"A. A. Shanenko, A. Perali, A. Vagov, J. Albino Aguiar, S. Wolf, V. M. Axt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-05-05T17:58:49Z","title":"The BCS-BEC crossover induced by a shallow band: Pushing standard superconductivity types apart"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.01672","kind":"arxiv","version":2},"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":"sha256:699adf26dbb5ccf3e5745228a0c4a5a0ab96bf03f070a4f4c10db845453f1416","target":"record","created_at":"2026-05-18T00:47:14Z","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":"87adfa9a27d89703991b4d10e053d3aeb9f3a8184e83d2d22d4cf89684012695","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-05-05T17:58:49Z","title_canon_sha256":"e89cc86752922c818c79ffae4280541d466e607d307a3c1cc913f97488582f08"},"schema_version":"1.0","source":{"id":"1605.01672","kind":"arxiv","version":2}},"canonical_sha256":"f34d95d1c34684f8085c227737184480cb44a915f2b2853619e179bdcb55d17b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f34d95d1c34684f8085c227737184480cb44a915f2b2853619e179bdcb55d17b","first_computed_at":"2026-05-18T00:47:14.757706Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:14.757706Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b0NvfDqS5N+mh+3Dx+U9d7lrATwXaGZHijLX3KivXSBBQMAzYLJgslQYrkO1S1PQEEMgejL48oRdhpYAxALJCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:14.758446Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.01672","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:699adf26dbb5ccf3e5745228a0c4a5a0ab96bf03f070a4f4c10db845453f1416","sha256:c5f94c43d7e579adfb89af52d0763400ab45c6537ab58ebd62a074fde2a47422"],"state_sha256":"1d651290c0547ae757cbe6e7b129570a8f107450f3f57a28179536decef1e579"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oz69/wtZnWyortBKQc7k73fCfnmvPkR7BtiPHnRRqd0iDeLtLjYjClfRKHCt9q6i1X/DmQv7qEBgWOWG4DpeAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T02:56:26.433304Z","bundle_sha256":"7c81c199170dd4c1d8090f2a1e4d7ef892f58bf251cc378cecc2bb1faea2f995"}}