{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UJWZV4RTL2HNFP4RDOWRZWZAOU","short_pith_number":"pith:UJWZV4RT","canonical_record":{"source":{"id":"1610.00929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-10-04T11:06:50Z","cross_cats_sorted":[],"title_canon_sha256":"30bab3d2cf8158e6402b2351f5e47585426bf4b7aac71d7e38d7d91c025b3e48","abstract_canon_sha256":"955d692fc21c21bfc123221c88474e5f38153146613cc8ae2441260a179cb76a"},"schema_version":"1.0"},"canonical_sha256":"a26d9af2335e8ed2bf911bad1cdb20753f313333bd063cbdfcba8081464457cb","source":{"kind":"arxiv","id":"1610.00929","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.00929","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"arxiv_version","alias_value":"1610.00929v1","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00929","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"pith_short_12","alias_value":"UJWZV4RTL2HN","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UJWZV4RTL2HNFP4R","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UJWZV4RT","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UJWZV4RTL2HNFP4RDOWRZWZAOU","target":"record","payload":{"canonical_record":{"source":{"id":"1610.00929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-10-04T11:06:50Z","cross_cats_sorted":[],"title_canon_sha256":"30bab3d2cf8158e6402b2351f5e47585426bf4b7aac71d7e38d7d91c025b3e48","abstract_canon_sha256":"955d692fc21c21bfc123221c88474e5f38153146613cc8ae2441260a179cb76a"},"schema_version":"1.0"},"canonical_sha256":"a26d9af2335e8ed2bf911bad1cdb20753f313333bd063cbdfcba8081464457cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:25.138969Z","signature_b64":"b3NTbvL74Shsd4s64kX8gkvqQqQPey28a35OI9tHtI1GMAXe7yb3rMI7JZayUQTNUSA889xHajk8tewhAQ/uAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a26d9af2335e8ed2bf911bad1cdb20753f313333bd063cbdfcba8081464457cb","last_reissued_at":"2026-05-18T01:00:25.138559Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:25.138559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.00929","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":"2026-05-18T01:00:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"binNJ6sTAWQ9MfnFa+pvkWWXU/oMXIaJr2o4z+37RCZuGtPS8TPENpg5SN5/e998Q8JD72gE+EK4POd1tWXJAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:30:37.376072Z"},"content_sha256":"99f5246b61ca548166b268f69c951678220dbe31d8bf1abd80112d72a1e622aa","schema_version":"1.0","event_id":"sha256:99f5246b61ca548166b268f69c951678220dbe31d8bf1abd80112d72a1e622aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UJWZV4RTL2HNFP4RDOWRZWZAOU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anisotropic type-I superconductivity and anomalous superfluid density in OsB 2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Alexandros Aperis, Bart Partoens, Jonas Bekaert, Lucia Komendova, Milorad Milosevic, Ruslan Prozorov, Stephan Vercauteren","submitted_at":"2016-10-04T11:06:50Z","abstract_excerpt":"We present a microscopic study of superconductivity in OsB2 , and discuss the origin and characteristic length scales of the superconducting state. From first-principles we show that OsB2 is characterized by three different Fermi sheets, and we prove that this fermiology complies with recent quantum-oscillation experiments. Using the found microscopic properties, and experimental data from the literature, we employ Ginzburg-Landau relations to reveal that OsB2 is a distinctly type-I superconductor with very low Ginzburg-Landau parameter kappa - a rare property among compound materials. We show"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00929","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":"2026-05-18T01:00:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TeYICx6Sa08EwifLKAmISSoBClihmwp8HV5Kdffs80JWBKWhB4DhL9Dl9IO1iKcUauhJYU2gFxnpJX/n2t1WDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:30:37.376450Z"},"content_sha256":"e552b50570fb730934ba4a9a573f79ce6bb6b3b30355a1ae12439c11cce3099c","schema_version":"1.0","event_id":"sha256:e552b50570fb730934ba4a9a573f79ce6bb6b3b30355a1ae12439c11cce3099c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UJWZV4RTL2HNFP4RDOWRZWZAOU/bundle.json","state_url":"https://pith.science/pith/UJWZV4RTL2HNFP4RDOWRZWZAOU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UJWZV4RTL2HNFP4RDOWRZWZAOU/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":"2026-06-04T06:30:37Z","links":{"resolver":"https://pith.science/pith/UJWZV4RTL2HNFP4RDOWRZWZAOU","bundle":"https://pith.science/pith/UJWZV4RTL2HNFP4RDOWRZWZAOU/bundle.json","state":"https://pith.science/pith/UJWZV4RTL2HNFP4RDOWRZWZAOU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UJWZV4RTL2HNFP4RDOWRZWZAOU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UJWZV4RTL2HNFP4RDOWRZWZAOU","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":"955d692fc21c21bfc123221c88474e5f38153146613cc8ae2441260a179cb76a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-10-04T11:06:50Z","title_canon_sha256":"30bab3d2cf8158e6402b2351f5e47585426bf4b7aac71d7e38d7d91c025b3e48"},"schema_version":"1.0","source":{"id":"1610.00929","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.00929","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"arxiv_version","alias_value":"1610.00929v1","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.00929","created_at":"2026-05-18T01:00:25Z"},{"alias_kind":"pith_short_12","alias_value":"UJWZV4RTL2HN","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UJWZV4RTL2HNFP4R","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UJWZV4RT","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:e552b50570fb730934ba4a9a573f79ce6bb6b3b30355a1ae12439c11cce3099c","target":"graph","created_at":"2026-05-18T01:00:25Z","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 present a microscopic study of superconductivity in OsB2 , and discuss the origin and characteristic length scales of the superconducting state. From first-principles we show that OsB2 is characterized by three different Fermi sheets, and we prove that this fermiology complies with recent quantum-oscillation experiments. Using the found microscopic properties, and experimental data from the literature, we employ Ginzburg-Landau relations to reveal that OsB2 is a distinctly type-I superconductor with very low Ginzburg-Landau parameter kappa - a rare property among compound materials. We show","authors_text":"Alexandros Aperis, Bart Partoens, Jonas Bekaert, Lucia Komendova, Milorad Milosevic, Ruslan Prozorov, Stephan Vercauteren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-10-04T11:06:50Z","title":"Anisotropic type-I superconductivity and anomalous superfluid density in OsB 2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.00929","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":"sha256:99f5246b61ca548166b268f69c951678220dbe31d8bf1abd80112d72a1e622aa","target":"record","created_at":"2026-05-18T01:00:25Z","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":"955d692fc21c21bfc123221c88474e5f38153146613cc8ae2441260a179cb76a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2016-10-04T11:06:50Z","title_canon_sha256":"30bab3d2cf8158e6402b2351f5e47585426bf4b7aac71d7e38d7d91c025b3e48"},"schema_version":"1.0","source":{"id":"1610.00929","kind":"arxiv","version":1}},"canonical_sha256":"a26d9af2335e8ed2bf911bad1cdb20753f313333bd063cbdfcba8081464457cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a26d9af2335e8ed2bf911bad1cdb20753f313333bd063cbdfcba8081464457cb","first_computed_at":"2026-05-18T01:00:25.138559Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:25.138559Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b3NTbvL74Shsd4s64kX8gkvqQqQPey28a35OI9tHtI1GMAXe7yb3rMI7JZayUQTNUSA889xHajk8tewhAQ/uAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:25.138969Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.00929","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99f5246b61ca548166b268f69c951678220dbe31d8bf1abd80112d72a1e622aa","sha256:e552b50570fb730934ba4a9a573f79ce6bb6b3b30355a1ae12439c11cce3099c"],"state_sha256":"36c5973b4f4eb334af553e968935990fc8fcc3c48c1f2936f6526cb019408bc1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AeyUlQWR7T1n/Qz2AaVkLBA38ZloUHwaxqj7iB3illo/GOFi1MsvQfVEoSKTVqAhikXJOJtKx5/SKjyMcB4fBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T06:30:37.378442Z","bundle_sha256":"de685eab1c4bb9c641d6ade31827eedbfa33fa5c73c67c591fc949ddc69a63de"}}