{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4SPOJRXUSOVLGJ5KXGDYAJJDF7","short_pith_number":"pith:4SPOJRXU","canonical_record":{"source":{"id":"1307.1619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-07-05T14:01:05Z","cross_cats_sorted":[],"title_canon_sha256":"f6d63579d35b87256e5f698d5f355f4e46ba51d3ae3d223c4a4a4d767e1d4121","abstract_canon_sha256":"ea5be14a48b0c8bd6e1fc638543edbc112f3106b503082a048772ceb451f7803"},"schema_version":"1.0"},"canonical_sha256":"e49ee4c6f493aab327aab9878025232fcefe31d102f645be7a85ff4f534bac32","source":{"kind":"arxiv","id":"1307.1619","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1619","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1619v1","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1619","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"4SPOJRXUSOVL","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4SPOJRXUSOVLGJ5K","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4SPOJRXU","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4SPOJRXUSOVLGJ5KXGDYAJJDF7","target":"record","payload":{"canonical_record":{"source":{"id":"1307.1619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-07-05T14:01:05Z","cross_cats_sorted":[],"title_canon_sha256":"f6d63579d35b87256e5f698d5f355f4e46ba51d3ae3d223c4a4a4d767e1d4121","abstract_canon_sha256":"ea5be14a48b0c8bd6e1fc638543edbc112f3106b503082a048772ceb451f7803"},"schema_version":"1.0"},"canonical_sha256":"e49ee4c6f493aab327aab9878025232fcefe31d102f645be7a85ff4f534bac32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:59.422277Z","signature_b64":"NwZ1B3Lp+iQEOsx9KvhvdffaApeU9xd2BAquSzGKjNvW/+xfI1b3ntKUM5vEO0zLBHGU0LPpSPV4d8mlzJYBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e49ee4c6f493aab327aab9878025232fcefe31d102f645be7a85ff4f534bac32","last_reissued_at":"2026-05-18T01:48:59.421637Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:59.421637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.1619","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":"2026-05-18T01:48:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1YKYcWu/Hqy723BdzdvsVbpurHnW7GygXF/3eIHp5ruCgHnzO3MTAlO/g/ggEBSxAmwzmw2pQAy31s/nJsF1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T07:07:08.334190Z"},"content_sha256":"0ef64b425d07fd75a0216c8afd94a416006c8b1506c0e60de63dc49742264b2e","schema_version":"1.0","event_id":"sha256:0ef64b425d07fd75a0216c8afd94a416006c8b1506c0e60de63dc49742264b2e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4SPOJRXUSOVLGJ5KXGDYAJJDF7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Micromanipulation transfer of membrane resonators for circuit optomechanics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Jaakko Sulkko, Juha-Matti Pirkkalainen, Maria Berdova, Mika A. Sillanpaa, Pertti J. Hakonen, Sung Un Cho, Xuefeng Song","submitted_at":"2013-07-05T14:01:05Z","abstract_excerpt":"A capacitive coupling between mechanical resonator and a microwave cavity enables readout and manipulation of the vibrations. We present a setup to carry out such experiments with aluminum membranes fabricated as stamps and transferred in place with micromanipulation. The membrane is held in place by van der Waals forces, and is supported by three microscopic points. We measure the lowest mechanical modes, and conclude the membrane vibrates as an essentially free-free resonator. Sliding clamping conditions are identified via a softening Duffing nonlinearity. The method will enable reduction of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1619","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":"2026-05-18T01:48:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CJ5Vt9ThMbhQuAhn5MCQGhpb0ZuFtXGHtUVqGP+PdkrEDl1UZ50MKPeHu21xRMZrNZZAclJL1Eo+B8oeOytJDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T07:07:08.334913Z"},"content_sha256":"7324fc8063cb6ff4ed44a8d1c786fe3d0b70e3fe39d0133badc965466883b459","schema_version":"1.0","event_id":"sha256:7324fc8063cb6ff4ed44a8d1c786fe3d0b70e3fe39d0133badc965466883b459"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4SPOJRXUSOVLGJ5KXGDYAJJDF7/bundle.json","state_url":"https://pith.science/pith/4SPOJRXUSOVLGJ5KXGDYAJJDF7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4SPOJRXUSOVLGJ5KXGDYAJJDF7/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":"2026-05-24T07:07:08Z","links":{"resolver":"https://pith.science/pith/4SPOJRXUSOVLGJ5KXGDYAJJDF7","bundle":"https://pith.science/pith/4SPOJRXUSOVLGJ5KXGDYAJJDF7/bundle.json","state":"https://pith.science/pith/4SPOJRXUSOVLGJ5KXGDYAJJDF7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4SPOJRXUSOVLGJ5KXGDYAJJDF7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4SPOJRXUSOVLGJ5KXGDYAJJDF7","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":"ea5be14a48b0c8bd6e1fc638543edbc112f3106b503082a048772ceb451f7803","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-07-05T14:01:05Z","title_canon_sha256":"f6d63579d35b87256e5f698d5f355f4e46ba51d3ae3d223c4a4a4d767e1d4121"},"schema_version":"1.0","source":{"id":"1307.1619","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.1619","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"1307.1619v1","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.1619","created_at":"2026-05-18T01:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"4SPOJRXUSOVL","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4SPOJRXUSOVLGJ5K","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4SPOJRXU","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:7324fc8063cb6ff4ed44a8d1c786fe3d0b70e3fe39d0133badc965466883b459","target":"graph","created_at":"2026-05-18T01:48:59Z","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":"A capacitive coupling between mechanical resonator and a microwave cavity enables readout and manipulation of the vibrations. We present a setup to carry out such experiments with aluminum membranes fabricated as stamps and transferred in place with micromanipulation. The membrane is held in place by van der Waals forces, and is supported by three microscopic points. We measure the lowest mechanical modes, and conclude the membrane vibrates as an essentially free-free resonator. Sliding clamping conditions are identified via a softening Duffing nonlinearity. The method will enable reduction of","authors_text":"Jaakko Sulkko, Juha-Matti Pirkkalainen, Maria Berdova, Mika A. Sillanpaa, Pertti J. Hakonen, Sung Un Cho, Xuefeng Song","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-07-05T14:01:05Z","title":"Micromanipulation transfer of membrane resonators for circuit optomechanics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.1619","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":"sha256:0ef64b425d07fd75a0216c8afd94a416006c8b1506c0e60de63dc49742264b2e","target":"record","created_at":"2026-05-18T01:48:59Z","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":"ea5be14a48b0c8bd6e1fc638543edbc112f3106b503082a048772ceb451f7803","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-07-05T14:01:05Z","title_canon_sha256":"f6d63579d35b87256e5f698d5f355f4e46ba51d3ae3d223c4a4a4d767e1d4121"},"schema_version":"1.0","source":{"id":"1307.1619","kind":"arxiv","version":1}},"canonical_sha256":"e49ee4c6f493aab327aab9878025232fcefe31d102f645be7a85ff4f534bac32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e49ee4c6f493aab327aab9878025232fcefe31d102f645be7a85ff4f534bac32","first_computed_at":"2026-05-18T01:48:59.421637Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:59.421637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NwZ1B3Lp+iQEOsx9KvhvdffaApeU9xd2BAquSzGKjNvW/+xfI1b3ntKUM5vEO0zLBHGU0LPpSPV4d8mlzJYBBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:59.422277Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.1619","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ef64b425d07fd75a0216c8afd94a416006c8b1506c0e60de63dc49742264b2e","sha256:7324fc8063cb6ff4ed44a8d1c786fe3d0b70e3fe39d0133badc965466883b459"],"state_sha256":"07476d6190b27c4aa2feb04c7ac69d62574e4c6352093da3ecd37a26b35f5a8a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hsuwT1d2EILzrykPtiKLD1gkrAuMt52IJDyQpDxnT647OXQPXxf8E0cU+beb7WShsgFcVCPiZfTgpAYI29DkDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T07:07:08.338127Z","bundle_sha256":"9988e06d87a0bd4d5c16af7adceff2be48b93f7bfe6f3526ae5155877821d36b"}}