{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:HOWHE37EESHQEDWWHMG44FKVBJ","short_pith_number":"pith:HOWHE37E","canonical_record":{"source":{"id":"1411.5996","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-21T19:49:34Z","cross_cats_sorted":[],"title_canon_sha256":"e22496721a421b6e9bd145238fcf0cfe29caca55b69527e4d65621b330d68b86","abstract_canon_sha256":"f63a2b9bb1518acf34a0fbf30c47ecddc9147ff9d73e7b3236a5313495c02b22"},"schema_version":"1.0"},"canonical_sha256":"3bac726fe4248f020ed63b0dce15550a62cf517cc0a3decf1ea2a582e7366e8d","source":{"kind":"arxiv","id":"1411.5996","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5996","created_at":"2026-05-18T01:35:32Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5996v2","created_at":"2026-05-18T01:35:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5996","created_at":"2026-05-18T01:35:32Z"},{"alias_kind":"pith_short_12","alias_value":"HOWHE37EESHQ","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HOWHE37EESHQEDWW","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HOWHE37E","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:HOWHE37EESHQEDWWHMG44FKVBJ","target":"record","payload":{"canonical_record":{"source":{"id":"1411.5996","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-21T19:49:34Z","cross_cats_sorted":[],"title_canon_sha256":"e22496721a421b6e9bd145238fcf0cfe29caca55b69527e4d65621b330d68b86","abstract_canon_sha256":"f63a2b9bb1518acf34a0fbf30c47ecddc9147ff9d73e7b3236a5313495c02b22"},"schema_version":"1.0"},"canonical_sha256":"3bac726fe4248f020ed63b0dce15550a62cf517cc0a3decf1ea2a582e7366e8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:32.673071Z","signature_b64":"8ATUdHOTyNcEOTtNfi/aa+oReEb4tWF/7g4zkmeSz9ts8J+zeCATI48Z7ZM3V+RtYI31NVg2LkL0arsV04hoAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3bac726fe4248f020ed63b0dce15550a62cf517cc0a3decf1ea2a582e7366e8d","last_reissued_at":"2026-05-18T01:35:32.672445Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:32.672445Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.5996","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":"2026-05-18T01:35:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eZmKZSHho0WVvCFwxHiwC6jm4ypG89qD4ijWrRLDkW22H66SKSZQ8Ns4VZswgXIgORWC1UnJPU+K2EvuF0okAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:11:01.146753Z"},"content_sha256":"d7a40e0b682bed8e6ef4f2e0cfd262dd236e4cec70a441624097cf2162d2c34a","schema_version":"1.0","event_id":"sha256:d7a40e0b682bed8e6ef4f2e0cfd262dd236e4cec70a441624097cf2162d2c34a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:HOWHE37EESHQEDWWHMG44FKVBJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Si$_3$N$_4$ nanobeam optomechanical crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Karen E. Grutter, Kartik Srinivasan, Marcelo Davanco","submitted_at":"2014-11-21T19:49:34Z","abstract_excerpt":"The development of Si$_3$N$_4$ nanobeam optomechanical crystals is reviewed. These structures consist of a 350 nm thick, 700 nm wide doubly-clamped Si$_3$N$_4$ nanobeam that is periodically patterned with an array of air holes to which a defect region is introduced. The periodic patterning simultaneously creates a photonic bandgap for 980 nm band photons and a phononic bandgap for 4 GHz phonons, with the defect region serving to co-localize optical and mechanical modes within their respective bandgaps. These optical and mechanical modes interact dispersively with a coupling rate $g_{0}/2\\pi\\ap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5996","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":"2026-05-18T01:35:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/dwe9zSrYv0iHEMmPw8XXl1xL0v2RnVHQAnowSNdFoWOuh9IQyEbo/1xUvsDbSztbiNWnZmzOAO7ydUlj/gODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:11:01.147277Z"},"content_sha256":"7d3341dccc4229d8a4bd6955c20c9ccc75bd3a5bf8a97fc7330980e3b73fba43","schema_version":"1.0","event_id":"sha256:7d3341dccc4229d8a4bd6955c20c9ccc75bd3a5bf8a97fc7330980e3b73fba43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HOWHE37EESHQEDWWHMG44FKVBJ/bundle.json","state_url":"https://pith.science/pith/HOWHE37EESHQEDWWHMG44FKVBJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HOWHE37EESHQEDWWHMG44FKVBJ/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":"2026-05-27T10:11:01Z","links":{"resolver":"https://pith.science/pith/HOWHE37EESHQEDWWHMG44FKVBJ","bundle":"https://pith.science/pith/HOWHE37EESHQEDWWHMG44FKVBJ/bundle.json","state":"https://pith.science/pith/HOWHE37EESHQEDWWHMG44FKVBJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HOWHE37EESHQEDWWHMG44FKVBJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:HOWHE37EESHQEDWWHMG44FKVBJ","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":"f63a2b9bb1518acf34a0fbf30c47ecddc9147ff9d73e7b3236a5313495c02b22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-21T19:49:34Z","title_canon_sha256":"e22496721a421b6e9bd145238fcf0cfe29caca55b69527e4d65621b330d68b86"},"schema_version":"1.0","source":{"id":"1411.5996","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5996","created_at":"2026-05-18T01:35:32Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5996v2","created_at":"2026-05-18T01:35:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5996","created_at":"2026-05-18T01:35:32Z"},{"alias_kind":"pith_short_12","alias_value":"HOWHE37EESHQ","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HOWHE37EESHQEDWW","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HOWHE37E","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:7d3341dccc4229d8a4bd6955c20c9ccc75bd3a5bf8a97fc7330980e3b73fba43","target":"graph","created_at":"2026-05-18T01:35:32Z","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":"The development of Si$_3$N$_4$ nanobeam optomechanical crystals is reviewed. These structures consist of a 350 nm thick, 700 nm wide doubly-clamped Si$_3$N$_4$ nanobeam that is periodically patterned with an array of air holes to which a defect region is introduced. The periodic patterning simultaneously creates a photonic bandgap for 980 nm band photons and a phononic bandgap for 4 GHz phonons, with the defect region serving to co-localize optical and mechanical modes within their respective bandgaps. These optical and mechanical modes interact dispersively with a coupling rate $g_{0}/2\\pi\\ap","authors_text":"Karen E. Grutter, Kartik Srinivasan, Marcelo Davanco","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-21T19:49:34Z","title":"Si$_3$N$_4$ nanobeam optomechanical crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5996","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:d7a40e0b682bed8e6ef4f2e0cfd262dd236e4cec70a441624097cf2162d2c34a","target":"record","created_at":"2026-05-18T01:35:32Z","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":"f63a2b9bb1518acf34a0fbf30c47ecddc9147ff9d73e7b3236a5313495c02b22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-11-21T19:49:34Z","title_canon_sha256":"e22496721a421b6e9bd145238fcf0cfe29caca55b69527e4d65621b330d68b86"},"schema_version":"1.0","source":{"id":"1411.5996","kind":"arxiv","version":2}},"canonical_sha256":"3bac726fe4248f020ed63b0dce15550a62cf517cc0a3decf1ea2a582e7366e8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3bac726fe4248f020ed63b0dce15550a62cf517cc0a3decf1ea2a582e7366e8d","first_computed_at":"2026-05-18T01:35:32.672445Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:32.672445Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8ATUdHOTyNcEOTtNfi/aa+oReEb4tWF/7g4zkmeSz9ts8J+zeCATI48Z7ZM3V+RtYI31NVg2LkL0arsV04hoAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:32.673071Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.5996","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d7a40e0b682bed8e6ef4f2e0cfd262dd236e4cec70a441624097cf2162d2c34a","sha256:7d3341dccc4229d8a4bd6955c20c9ccc75bd3a5bf8a97fc7330980e3b73fba43"],"state_sha256":"a4484eef6452717386cfc06b096485e61da3414c06edfd920e98d232e917d63d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HHzVbRKhs0u4F71AxFBw7kybbq94gwoagrBoD1j9UPlA7r/asgNlsrzAYxOJcthZy7f2po9iPi70Ehy+FimWDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:11:01.150589Z","bundle_sha256":"46c7110ddd3b257dcf08fbb687dacdffa9b4b8992894939bcfb88ede6f177d7d"}}