{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:2SHZ3A43RRBOGEJF7IUSANHS5N","short_pith_number":"pith:2SHZ3A43","canonical_record":{"source":{"id":"1105.3553","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-18T07:43:59Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"5d32c2359c1c7fe5f7a31c6a7080c888366b989a9a333bab5f11b4b7e6d9f7d3","abstract_canon_sha256":"d150c56c5ad4f2cf58ae6e5f6b5213378283fe7262a2684e00b3bf36f02ab4a2"},"schema_version":"1.0"},"canonical_sha256":"d48f9d839b8c42e31125fa292034f2eb52b19d1837dd1c181b6f952b8e4fa647","source":{"kind":"arxiv","id":"1105.3553","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.3553","created_at":"2026-05-18T04:21:13Z"},{"alias_kind":"arxiv_version","alias_value":"1105.3553v1","created_at":"2026-05-18T04:21:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3553","created_at":"2026-05-18T04:21:13Z"},{"alias_kind":"pith_short_12","alias_value":"2SHZ3A43RRBO","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2SHZ3A43RRBOGEJF","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2SHZ3A43","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:2SHZ3A43RRBOGEJF7IUSANHS5N","target":"record","payload":{"canonical_record":{"source":{"id":"1105.3553","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-18T07:43:59Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"5d32c2359c1c7fe5f7a31c6a7080c888366b989a9a333bab5f11b4b7e6d9f7d3","abstract_canon_sha256":"d150c56c5ad4f2cf58ae6e5f6b5213378283fe7262a2684e00b3bf36f02ab4a2"},"schema_version":"1.0"},"canonical_sha256":"d48f9d839b8c42e31125fa292034f2eb52b19d1837dd1c181b6f952b8e4fa647","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:13.220603Z","signature_b64":"3NNRPCQVj3no++ONMMSqw9CYgw3Yd3voTkNwlG1cJW4y/N4ZXNzyLsPiHq8Douv3peVtUnKcGho4UfrBGi2LDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d48f9d839b8c42e31125fa292034f2eb52b19d1837dd1c181b6f952b8e4fa647","last_reissued_at":"2026-05-18T04:21:13.220009Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:13.220009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.3553","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":"2026-05-18T04:21:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0rbSN9z4xEKrWBgrf40zTN4y5okCRK2ftQ6/eDFpaqbfm0g9D8nY2DX1kgOoqAYIfSBZQErjgF4WnNsL2zZdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:16:33.905468Z"},"content_sha256":"36eb5af9a0fbdd040d3d59e13e0e11a49b24416e37c2fcea3c7989eb3c0eef6c","schema_version":"1.0","event_id":"sha256:36eb5af9a0fbdd040d3d59e13e0e11a49b24416e37c2fcea3c7989eb3c0eef6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:2SHZ3A43RRBOGEJF7IUSANHS5N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin resonance in EuTiO3 probed by time-domain GHz ellipsometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.str-el","authors_text":"D. van der Marel, I. Crassee, J.L.M. van Mechelen, T. Kolodiazhnyi","submitted_at":"2011-05-18T07:43:59Z","abstract_excerpt":"We show an example of a purely magnetic spin resonance in EuTiO3 and the resulting new record high Faraday rotation of 590 deg/mm at 1.6 T for 1 cm wavelengths probed by a novel technique of magneto-optical GHz time-domain ellipsometry. From our transmission measurements of linear polarized light we map out the complex index of refraction in the GHz to THz range. We observe a strong resonant absorption by magnetic dipole transitions involving the Zeeman split S=7/2 magnetic energy levels of the Eu 2+ ions, which causes a very large dichroism for circular polarized radiation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3553","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":"2026-05-18T04:21:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C0o0elXnjRpJhXnkay1AVbMYGWOt/DL6N61g8BHrLE3aF5g0twuGG+l1F9HH2U2ZB8ooqFfanE0QbXdTIIAVAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:16:33.906069Z"},"content_sha256":"5ef6a2fd3c7600b1e0904bc4030dad314e1eac70be43d884d7525f89fdec1ff4","schema_version":"1.0","event_id":"sha256:5ef6a2fd3c7600b1e0904bc4030dad314e1eac70be43d884d7525f89fdec1ff4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2SHZ3A43RRBOGEJF7IUSANHS5N/bundle.json","state_url":"https://pith.science/pith/2SHZ3A43RRBOGEJF7IUSANHS5N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2SHZ3A43RRBOGEJF7IUSANHS5N/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":"2026-05-31T01:16:33Z","links":{"resolver":"https://pith.science/pith/2SHZ3A43RRBOGEJF7IUSANHS5N","bundle":"https://pith.science/pith/2SHZ3A43RRBOGEJF7IUSANHS5N/bundle.json","state":"https://pith.science/pith/2SHZ3A43RRBOGEJF7IUSANHS5N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2SHZ3A43RRBOGEJF7IUSANHS5N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:2SHZ3A43RRBOGEJF7IUSANHS5N","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":"d150c56c5ad4f2cf58ae6e5f6b5213378283fe7262a2684e00b3bf36f02ab4a2","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-18T07:43:59Z","title_canon_sha256":"5d32c2359c1c7fe5f7a31c6a7080c888366b989a9a333bab5f11b4b7e6d9f7d3"},"schema_version":"1.0","source":{"id":"1105.3553","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.3553","created_at":"2026-05-18T04:21:13Z"},{"alias_kind":"arxiv_version","alias_value":"1105.3553v1","created_at":"2026-05-18T04:21:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3553","created_at":"2026-05-18T04:21:13Z"},{"alias_kind":"pith_short_12","alias_value":"2SHZ3A43RRBO","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2SHZ3A43RRBOGEJF","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2SHZ3A43","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:5ef6a2fd3c7600b1e0904bc4030dad314e1eac70be43d884d7525f89fdec1ff4","target":"graph","created_at":"2026-05-18T04:21:13Z","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 show an example of a purely magnetic spin resonance in EuTiO3 and the resulting new record high Faraday rotation of 590 deg/mm at 1.6 T for 1 cm wavelengths probed by a novel technique of magneto-optical GHz time-domain ellipsometry. From our transmission measurements of linear polarized light we map out the complex index of refraction in the GHz to THz range. We observe a strong resonant absorption by magnetic dipole transitions involving the Zeeman split S=7/2 magnetic energy levels of the Eu 2+ ions, which causes a very large dichroism for circular polarized radiation.","authors_text":"D. van der Marel, I. Crassee, J.L.M. van Mechelen, T. Kolodiazhnyi","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-18T07:43:59Z","title":"Spin resonance in EuTiO3 probed by time-domain GHz ellipsometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3553","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":"sha256:36eb5af9a0fbdd040d3d59e13e0e11a49b24416e37c2fcea3c7989eb3c0eef6c","target":"record","created_at":"2026-05-18T04:21:13Z","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":"d150c56c5ad4f2cf58ae6e5f6b5213378283fe7262a2684e00b3bf36f02ab4a2","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-05-18T07:43:59Z","title_canon_sha256":"5d32c2359c1c7fe5f7a31c6a7080c888366b989a9a333bab5f11b4b7e6d9f7d3"},"schema_version":"1.0","source":{"id":"1105.3553","kind":"arxiv","version":1}},"canonical_sha256":"d48f9d839b8c42e31125fa292034f2eb52b19d1837dd1c181b6f952b8e4fa647","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d48f9d839b8c42e31125fa292034f2eb52b19d1837dd1c181b6f952b8e4fa647","first_computed_at":"2026-05-18T04:21:13.220009Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:13.220009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3NNRPCQVj3no++ONMMSqw9CYgw3Yd3voTkNwlG1cJW4y/N4ZXNzyLsPiHq8Douv3peVtUnKcGho4UfrBGi2LDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:13.220603Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.3553","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36eb5af9a0fbdd040d3d59e13e0e11a49b24416e37c2fcea3c7989eb3c0eef6c","sha256:5ef6a2fd3c7600b1e0904bc4030dad314e1eac70be43d884d7525f89fdec1ff4"],"state_sha256":"ded9a24395f66d6c8d2e110d362280af6a1cb8d37e5c7337b08c66a31b95704e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2S4JiGBSYiNJPk93V0lvB2GmoWBBE3R8cgmORl/Q/wSrPMQQ/v+gwALjlu07g/uJCKoffplpHJ4GlmtODH6tBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:16:33.908459Z","bundle_sha256":"ff2008c0d4346995be202669e9a51856e85ea2d7118a4256a7d99754fff929e4"}}