{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VE45KTDRATYYBGYWKMZXDRWSNY","short_pith_number":"pith:VE45KTDR","canonical_record":{"source":{"id":"1209.5061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-23T12:18:33Z","cross_cats_sorted":[],"title_canon_sha256":"2a794cb40006b8f2a0a870e4d2451da3b2c00368964cd0a2a322a49e1aa70363","abstract_canon_sha256":"876eaefd13fd66aa3132b46fe750180724856e8fd3a3220fe8e747747285afe3"},"schema_version":"1.0"},"canonical_sha256":"a939d54c7104f1809b16533371c6d26e0780979c16d987ed834c035ff4292435","source":{"kind":"arxiv","id":"1209.5061","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5061","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5061v2","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5061","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"pith_short_12","alias_value":"VE45KTDRATYY","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VE45KTDRATYYBGYW","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VE45KTDR","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VE45KTDRATYYBGYWKMZXDRWSNY","target":"record","payload":{"canonical_record":{"source":{"id":"1209.5061","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-23T12:18:33Z","cross_cats_sorted":[],"title_canon_sha256":"2a794cb40006b8f2a0a870e4d2451da3b2c00368964cd0a2a322a49e1aa70363","abstract_canon_sha256":"876eaefd13fd66aa3132b46fe750180724856e8fd3a3220fe8e747747285afe3"},"schema_version":"1.0"},"canonical_sha256":"a939d54c7104f1809b16533371c6d26e0780979c16d987ed834c035ff4292435","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:47.215393Z","signature_b64":"8t9qKBJme/4cJqGelET6ESpMFujA3oLNq5PBao3VWHNer6ez+PWOo7VYiaAgaORUD9zM3A2OdPWvtOZXIlS2Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a939d54c7104f1809b16533371c6d26e0780979c16d987ed834c035ff4292435","last_reissued_at":"2026-05-18T03:02:47.214656Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:47.214656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.5061","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":"2026-05-18T03:02:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lnCJnirlDAuuXQoGCNczOZphirDm20pQY96CRCHmVTnCnL1oCc2F4+v4GmC1eVU4ci+CbMadCtgnW52tTXodDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T21:31:34.156153Z"},"content_sha256":"18dff4c0f17359f8d2e2f15ecb138313bb3e8d6ca77dc0d693feca17ddc1f3a8","schema_version":"1.0","event_id":"sha256:18dff4c0f17359f8d2e2f15ecb138313bb3e8d6ca77dc0d693feca17ddc1f3a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VE45KTDRATYYBGYWKMZXDRWSNY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broadband electron spin resonance from 500 MHz to 40 GHz using superconducting coplanar waveguides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. Clauss, D. Bothner, D. Koelle, L. Bogani, M. Dressel, M. Scheffler, R. Kleiner","submitted_at":"2012-09-23T12:18:33Z","abstract_excerpt":"We present non-conventional electron spin resonance (ESR) experiments using microfabricated superconducting waveguides. We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less than 1 MHz at low temperatures down to 1.6 K and in fields up to 1.4 T. This allows an accurate inspection of the ESR absorption position in the frequency domain, in contrast to the more common observation in the field domain. We demonstrate the applicability of frequency-swept ESR on Cr3+ atoms in ruby as well as on organic radicals of the Nitronyl-nitroxi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5061","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":"2026-05-18T03:02:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YKbMaNh4z77CMDpD6QDIkYKJ8bENPm2CwP2iQRdVr7AI6dM1rGqs+Tihl2Hz+NRUPNPkUqf6D+bAWG5rJJj1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T21:31:34.156838Z"},"content_sha256":"3fc3a0d2a02fb271eb2c3de873035cf6dd89d1c3d4259ac2acd3bc7c4fe4f03e","schema_version":"1.0","event_id":"sha256:3fc3a0d2a02fb271eb2c3de873035cf6dd89d1c3d4259ac2acd3bc7c4fe4f03e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VE45KTDRATYYBGYWKMZXDRWSNY/bundle.json","state_url":"https://pith.science/pith/VE45KTDRATYYBGYWKMZXDRWSNY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VE45KTDRATYYBGYWKMZXDRWSNY/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":"2026-05-20T21:31:34Z","links":{"resolver":"https://pith.science/pith/VE45KTDRATYYBGYWKMZXDRWSNY","bundle":"https://pith.science/pith/VE45KTDRATYYBGYWKMZXDRWSNY/bundle.json","state":"https://pith.science/pith/VE45KTDRATYYBGYWKMZXDRWSNY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VE45KTDRATYYBGYWKMZXDRWSNY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VE45KTDRATYYBGYWKMZXDRWSNY","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":"876eaefd13fd66aa3132b46fe750180724856e8fd3a3220fe8e747747285afe3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-23T12:18:33Z","title_canon_sha256":"2a794cb40006b8f2a0a870e4d2451da3b2c00368964cd0a2a322a49e1aa70363"},"schema_version":"1.0","source":{"id":"1209.5061","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5061","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5061v2","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5061","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"pith_short_12","alias_value":"VE45KTDRATYY","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VE45KTDRATYYBGYW","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VE45KTDR","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:3fc3a0d2a02fb271eb2c3de873035cf6dd89d1c3d4259ac2acd3bc7c4fe4f03e","target":"graph","created_at":"2026-05-18T03:02:47Z","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 non-conventional electron spin resonance (ESR) experiments using microfabricated superconducting waveguides. We show that a very broad frequency range, from 0.5 to 40 GHz, becomes accessible with a high frequency accuracy of less than 1 MHz at low temperatures down to 1.6 K and in fields up to 1.4 T. This allows an accurate inspection of the ESR absorption position in the frequency domain, in contrast to the more common observation in the field domain. We demonstrate the applicability of frequency-swept ESR on Cr3+ atoms in ruby as well as on organic radicals of the Nitronyl-nitroxi","authors_text":"C. Clauss, D. Bothner, D. Koelle, L. Bogani, M. Dressel, M. Scheffler, R. Kleiner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-23T12:18:33Z","title":"Broadband electron spin resonance from 500 MHz to 40 GHz using superconducting coplanar waveguides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5061","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":"sha256:18dff4c0f17359f8d2e2f15ecb138313bb3e8d6ca77dc0d693feca17ddc1f3a8","target":"record","created_at":"2026-05-18T03:02:47Z","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":"876eaefd13fd66aa3132b46fe750180724856e8fd3a3220fe8e747747285afe3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-23T12:18:33Z","title_canon_sha256":"2a794cb40006b8f2a0a870e4d2451da3b2c00368964cd0a2a322a49e1aa70363"},"schema_version":"1.0","source":{"id":"1209.5061","kind":"arxiv","version":2}},"canonical_sha256":"a939d54c7104f1809b16533371c6d26e0780979c16d987ed834c035ff4292435","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a939d54c7104f1809b16533371c6d26e0780979c16d987ed834c035ff4292435","first_computed_at":"2026-05-18T03:02:47.214656Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:47.214656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8t9qKBJme/4cJqGelET6ESpMFujA3oLNq5PBao3VWHNer6ez+PWOo7VYiaAgaORUD9zM3A2OdPWvtOZXIlS2Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:47.215393Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5061","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18dff4c0f17359f8d2e2f15ecb138313bb3e8d6ca77dc0d693feca17ddc1f3a8","sha256:3fc3a0d2a02fb271eb2c3de873035cf6dd89d1c3d4259ac2acd3bc7c4fe4f03e"],"state_sha256":"1da6e1a15c2a615d5cba4f160e6446f1cce67d63b74c7864063a324d0371fdfc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JKleQ477hLX0Kpagl05pYQPBtERibMhp3N61b8/scD7VGua9XTpnfe6iJ+Gipz71DAecBxRvoIxmm0i1jdDvDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T21:31:34.160191Z","bundle_sha256":"52156315a63f235b8f4baf3a7946b8ede8e197ae40c6c1bd280b0d486060332d"}}