{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:D7F3QOI33EMX3254H565KOUQAF","short_pith_number":"pith:D7F3QOI3","canonical_record":{"source":{"id":"1406.4981","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-19T08:38:40Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"c3e416f2c566be33d201d75a0a159818f57c5f11a39c0fac18511420e065d420","abstract_canon_sha256":"d7646121c65d5e0b57b413943272c54b4531fa952cdcee77dc46a32462d874b6"},"schema_version":"1.0"},"canonical_sha256":"1fcbb8391bd9197debbc3f7dd53a90017215e1b9c0183761821ca2a222984335","source":{"kind":"arxiv","id":"1406.4981","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4981","created_at":"2026-05-18T02:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4981v2","created_at":"2026-05-18T02:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4981","created_at":"2026-05-18T02:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"D7F3QOI33EMX","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"D7F3QOI33EMX3254","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"D7F3QOI3","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:D7F3QOI33EMX3254H565KOUQAF","target":"record","payload":{"canonical_record":{"source":{"id":"1406.4981","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-19T08:38:40Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"c3e416f2c566be33d201d75a0a159818f57c5f11a39c0fac18511420e065d420","abstract_canon_sha256":"d7646121c65d5e0b57b413943272c54b4531fa952cdcee77dc46a32462d874b6"},"schema_version":"1.0"},"canonical_sha256":"1fcbb8391bd9197debbc3f7dd53a90017215e1b9c0183761821ca2a222984335","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:53.031193Z","signature_b64":"oKpX2ypX4z0XOYrDToYrW0kNMjN7ejxbuqOCKsG/F8dlOVmcTFp/me/IPz2u3vqlqu9goGVt9yXRSXfwLbATAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fcbb8391bd9197debbc3f7dd53a90017215e1b9c0183761821ca2a222984335","last_reissued_at":"2026-05-18T02:41:53.030737Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:53.030737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.4981","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":"2026-05-18T02:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dZ8X9Ohu2RYhw1Xs+VQ9mhrDcDRErfMuiYZkkkJ9yNg6xFVV5CZZ4w7cQQDp3k/Hws+MdFSaKV05B4yWOxwYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T09:52:23.675308Z"},"content_sha256":"b02121c122e260d3f81362e38a13342b3199b2f588ad02778a8dff6a18ec461b","schema_version":"1.0","event_id":"sha256:b02121c122e260d3f81362e38a13342b3199b2f588ad02778a8dff6a18ec461b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:D7F3QOI33EMX3254H565KOUQAF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Band structure of magnonic crystals with defects: Brillouin spectroscopy and micromagnetic simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"cond-mat.mes-hall","authors_text":"Hock Siah Lim, Hyunsoo Yang, Kai Di, Kulothungasagaran Narayanapillai, Meng Hau Kuok, Ser Choon Ng, Vanessa Li Zhang","submitted_at":"2014-06-19T08:38:40Z","abstract_excerpt":"Using Brillouin spectroscopy, the first observation has been made of the band structures of nanostructured defect magnonic crystals. The samples are otherwise one-dimensional periodic arrays of equal-width Ni80Fe20 and cobalt nanostripes, where the defects are stripes of a different width. A dispersionless defect branch emerges within the bandgap with a frequency tunable by varying the defect stripe width, while the other branches observed are similar to those of a defect-free crystal. Micromagnetic and finite-element simulations performed unveil additional tiny bandgaps and the frequency-depe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4981","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":"2026-05-18T02:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Lz0v1N/qiuib5b0GjCO4/IJ7HWRRAnLBaHGA0hgj4hOw6F0Z667miXYx5PO9vwTaW7JYhlV6h4v53iPjgkQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T09:52:23.675685Z"},"content_sha256":"b755eb99505c9e185be16f7564a337091087d37bbca44b312e4d03d158197398","schema_version":"1.0","event_id":"sha256:b755eb99505c9e185be16f7564a337091087d37bbca44b312e4d03d158197398"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7F3QOI33EMX3254H565KOUQAF/bundle.json","state_url":"https://pith.science/pith/D7F3QOI33EMX3254H565KOUQAF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7F3QOI33EMX3254H565KOUQAF/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":"2026-05-20T09:52:23Z","links":{"resolver":"https://pith.science/pith/D7F3QOI33EMX3254H565KOUQAF","bundle":"https://pith.science/pith/D7F3QOI33EMX3254H565KOUQAF/bundle.json","state":"https://pith.science/pith/D7F3QOI33EMX3254H565KOUQAF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7F3QOI33EMX3254H565KOUQAF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:D7F3QOI33EMX3254H565KOUQAF","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":"d7646121c65d5e0b57b413943272c54b4531fa952cdcee77dc46a32462d874b6","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-19T08:38:40Z","title_canon_sha256":"c3e416f2c566be33d201d75a0a159818f57c5f11a39c0fac18511420e065d420"},"schema_version":"1.0","source":{"id":"1406.4981","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4981","created_at":"2026-05-18T02:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4981v2","created_at":"2026-05-18T02:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4981","created_at":"2026-05-18T02:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"D7F3QOI33EMX","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"D7F3QOI33EMX3254","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"D7F3QOI3","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:b755eb99505c9e185be16f7564a337091087d37bbca44b312e4d03d158197398","target":"graph","created_at":"2026-05-18T02:41:53Z","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":"Using Brillouin spectroscopy, the first observation has been made of the band structures of nanostructured defect magnonic crystals. The samples are otherwise one-dimensional periodic arrays of equal-width Ni80Fe20 and cobalt nanostripes, where the defects are stripes of a different width. A dispersionless defect branch emerges within the bandgap with a frequency tunable by varying the defect stripe width, while the other branches observed are similar to those of a defect-free crystal. Micromagnetic and finite-element simulations performed unveil additional tiny bandgaps and the frequency-depe","authors_text":"Hock Siah Lim, Hyunsoo Yang, Kai Di, Kulothungasagaran Narayanapillai, Meng Hau Kuok, Ser Choon Ng, Vanessa Li Zhang","cross_cats":["cond-mat.dis-nn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-19T08:38:40Z","title":"Band structure of magnonic crystals with defects: Brillouin spectroscopy and micromagnetic simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4981","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:b02121c122e260d3f81362e38a13342b3199b2f588ad02778a8dff6a18ec461b","target":"record","created_at":"2026-05-18T02:41:53Z","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":"d7646121c65d5e0b57b413943272c54b4531fa952cdcee77dc46a32462d874b6","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-06-19T08:38:40Z","title_canon_sha256":"c3e416f2c566be33d201d75a0a159818f57c5f11a39c0fac18511420e065d420"},"schema_version":"1.0","source":{"id":"1406.4981","kind":"arxiv","version":2}},"canonical_sha256":"1fcbb8391bd9197debbc3f7dd53a90017215e1b9c0183761821ca2a222984335","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fcbb8391bd9197debbc3f7dd53a90017215e1b9c0183761821ca2a222984335","first_computed_at":"2026-05-18T02:41:53.030737Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:53.030737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oKpX2ypX4z0XOYrDToYrW0kNMjN7ejxbuqOCKsG/F8dlOVmcTFp/me/IPz2u3vqlqu9goGVt9yXRSXfwLbATAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:53.031193Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.4981","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b02121c122e260d3f81362e38a13342b3199b2f588ad02778a8dff6a18ec461b","sha256:b755eb99505c9e185be16f7564a337091087d37bbca44b312e4d03d158197398"],"state_sha256":"c789d1ccd18e04b3e160f2e89743ebc31b5004467dd268ed8940295421c11bdb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+6o+mDEVtqS7ndwkWSHWqp3iMppyGjId0z8vVMSY382oKLdew7tsdXmOa1QKt2H9MrwMbi+gnzwTgRVZz/4JAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T09:52:23.677634Z","bundle_sha256":"f214c2310bd201e4e238475132f11573b8209fc03d15779019228530f323706f"}}