{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:GCQ4FXKJG6ZEJVGPY5KS2Z54AL","short_pith_number":"pith:GCQ4FXKJ","canonical_record":{"source":{"id":"2101.04191","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-01-11T21:07:09Z","cross_cats_sorted":[],"title_canon_sha256":"33c9a641c5a7e25945045bc888363b80f685d1c6269b9ca559048715ef23fa68","abstract_canon_sha256":"586013a11fe69fa5ef06e33ffb826d8436e046258d0ec6e5f3f1058cc3c4784c"},"schema_version":"1.0"},"canonical_sha256":"30a1c2dd4937b244d4cfc7552d67bc02d274202a4dd2a66bbe2d776a8a074333","source":{"kind":"arxiv","id":"2101.04191","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.04191","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"arxiv_version","alias_value":"2101.04191v3","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.04191","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"pith_short_12","alias_value":"GCQ4FXKJG6ZE","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"GCQ4FXKJG6ZEJVGP","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"GCQ4FXKJ","created_at":"2026-07-05T02:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:GCQ4FXKJG6ZEJVGPY5KS2Z54AL","target":"record","payload":{"canonical_record":{"source":{"id":"2101.04191","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-01-11T21:07:09Z","cross_cats_sorted":[],"title_canon_sha256":"33c9a641c5a7e25945045bc888363b80f685d1c6269b9ca559048715ef23fa68","abstract_canon_sha256":"586013a11fe69fa5ef06e33ffb826d8436e046258d0ec6e5f3f1058cc3c4784c"},"schema_version":"1.0"},"canonical_sha256":"30a1c2dd4937b244d4cfc7552d67bc02d274202a4dd2a66bbe2d776a8a074333","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:26:02.698335Z","signature_b64":"EpJGY1IPtsVIVNROqs0sJuW985OfPKbnGKzxiIJWfWygyR5nqp7X6bkFu9qLOW4KULBUh2gzgUAbsQolq42ZAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30a1c2dd4937b244d4cfc7552d67bc02d274202a4dd2a66bbe2d776a8a074333","last_reissued_at":"2026-07-05T02:26:02.697781Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:26:02.697781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.04191","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":"2026-07-05T02:26:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZxPJbwGQxO/3N9zC9pQuCH97YTFVmg8z6s1/J5yM/mYCF1fosl7B/kP3R6oEB1S2w7ettsY6oG36l16IrJYLCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:25:04.520210Z"},"content_sha256":"15c22647779f7d2b314c4b67d51aac3b1bda0fb4b0d999f891910d9b295b5cc6","schema_version":"1.0","event_id":"sha256:15c22647779f7d2b314c4b67d51aac3b1bda0fb4b0d999f891910d9b295b5cc6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:GCQ4FXKJG6ZEJVGPY5KS2Z54AL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Field-angle dependent vortex lattice phase diagram in MgB2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Sokolova, A. W. D. Leishman, M. Bleuel, M. R. Eskildsen, N. D. Zhigadlo","submitted_at":"2021-01-11T21:07:09Z","abstract_excerpt":"Using small-angle neutron scattering we have studied the superconducting vortex lattice (VL) phase diagram in MgB2 as the applied magnetic field is rotated away from the c axis and towards the basal plane. The field rotation gradually suppresses the intermediate VL phase which exists between end states aligned with two high symmetry directions in the hexagonal basal plane for H || c. Above a critical angle, the intermediate state disappears, and the previously continuous transition becomes discontinuous. The evolution towards the discontinuous transition can be parameterized by a vanishing twe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.04191","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2101.04191/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:26:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PYPKJNmhTZPnTIPHywn7PmMpYhGkLlag7NBJtQjUZpC96ilSjIzDplbZZ38RQ048EsqQ0m5NS6Gr7wko0bYyBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:25:04.521124Z"},"content_sha256":"61f9fa68ee8f2bd9863a48f04e417422c79b24ee90d6c9bb72dd977aee20621d","schema_version":"1.0","event_id":"sha256:61f9fa68ee8f2bd9863a48f04e417422c79b24ee90d6c9bb72dd977aee20621d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GCQ4FXKJG6ZEJVGPY5KS2Z54AL/bundle.json","state_url":"https://pith.science/pith/GCQ4FXKJG6ZEJVGPY5KS2Z54AL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GCQ4FXKJG6ZEJVGPY5KS2Z54AL/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":"2026-08-03T17:25:04Z","links":{"resolver":"https://pith.science/pith/GCQ4FXKJG6ZEJVGPY5KS2Z54AL","bundle":"https://pith.science/pith/GCQ4FXKJG6ZEJVGPY5KS2Z54AL/bundle.json","state":"https://pith.science/pith/GCQ4FXKJG6ZEJVGPY5KS2Z54AL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GCQ4FXKJG6ZEJVGPY5KS2Z54AL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:GCQ4FXKJG6ZEJVGPY5KS2Z54AL","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":"586013a11fe69fa5ef06e33ffb826d8436e046258d0ec6e5f3f1058cc3c4784c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-01-11T21:07:09Z","title_canon_sha256":"33c9a641c5a7e25945045bc888363b80f685d1c6269b9ca559048715ef23fa68"},"schema_version":"1.0","source":{"id":"2101.04191","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.04191","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"arxiv_version","alias_value":"2101.04191v3","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.04191","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"pith_short_12","alias_value":"GCQ4FXKJG6ZE","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"GCQ4FXKJG6ZEJVGP","created_at":"2026-07-05T02:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"GCQ4FXKJ","created_at":"2026-07-05T02:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:61f9fa68ee8f2bd9863a48f04e417422c79b24ee90d6c9bb72dd977aee20621d","target":"graph","created_at":"2026-07-05T02:26:02Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2101.04191/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using small-angle neutron scattering we have studied the superconducting vortex lattice (VL) phase diagram in MgB2 as the applied magnetic field is rotated away from the c axis and towards the basal plane. The field rotation gradually suppresses the intermediate VL phase which exists between end states aligned with two high symmetry directions in the hexagonal basal plane for H || c. Above a critical angle, the intermediate state disappears, and the previously continuous transition becomes discontinuous. The evolution towards the discontinuous transition can be parameterized by a vanishing twe","authors_text":"A. Sokolova, A. W. D. Leishman, M. Bleuel, M. R. Eskildsen, N. D. Zhigadlo","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-01-11T21:07:09Z","title":"Field-angle dependent vortex lattice phase diagram in MgB2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.04191","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":"sha256:15c22647779f7d2b314c4b67d51aac3b1bda0fb4b0d999f891910d9b295b5cc6","target":"record","created_at":"2026-07-05T02:26:02Z","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":"586013a11fe69fa5ef06e33ffb826d8436e046258d0ec6e5f3f1058cc3c4784c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-01-11T21:07:09Z","title_canon_sha256":"33c9a641c5a7e25945045bc888363b80f685d1c6269b9ca559048715ef23fa68"},"schema_version":"1.0","source":{"id":"2101.04191","kind":"arxiv","version":3}},"canonical_sha256":"30a1c2dd4937b244d4cfc7552d67bc02d274202a4dd2a66bbe2d776a8a074333","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30a1c2dd4937b244d4cfc7552d67bc02d274202a4dd2a66bbe2d776a8a074333","first_computed_at":"2026-07-05T02:26:02.697781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:26:02.697781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EpJGY1IPtsVIVNROqs0sJuW985OfPKbnGKzxiIJWfWygyR5nqp7X6bkFu9qLOW4KULBUh2gzgUAbsQolq42ZAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:26:02.698335Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.04191","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15c22647779f7d2b314c4b67d51aac3b1bda0fb4b0d999f891910d9b295b5cc6","sha256:61f9fa68ee8f2bd9863a48f04e417422c79b24ee90d6c9bb72dd977aee20621d"],"state_sha256":"5a07fd0fbc2dd975731ba335ec46764f94eb12faf12f3f4a06c8a7262ae93923"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uS20jowDi4sgvRkSD1WylPv5tL/PkwoKSmkWuUudqEOpwo7YU33Y3c9Ue3a2w3xnj3iPEQM+IdsDeuvGBcDeCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:25:04.526677Z","bundle_sha256":"27a52fc4756ca34f7d11d18bea0a53f270ed8a2d527a70b770b5801c3d9fe547"}}