{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DL2H3IW3YNO2FN6WFP4I7I7WNU","short_pith_number":"pith:DL2H3IW3","canonical_record":{"source":{"id":"1602.08929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-29T12:19:04Z","cross_cats_sorted":[],"title_canon_sha256":"152d60d12d0af7ec003adfd158c0f27aaf4e84faec74da0fa37eb41ee8acee25","abstract_canon_sha256":"9f671ee7dbdbfa1f5e13ad17c6a002489b24d040dbe517160bc7dc48b7361ed2"},"schema_version":"1.0"},"canonical_sha256":"1af47da2dbc35da2b7d62bf88fa3f66d2b1b05f60c376f6b56f0383ca66c5cbf","source":{"kind":"arxiv","id":"1602.08929","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.08929","created_at":"2026-05-18T01:19:51Z"},{"alias_kind":"arxiv_version","alias_value":"1602.08929v1","created_at":"2026-05-18T01:19:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08929","created_at":"2026-05-18T01:19:51Z"},{"alias_kind":"pith_short_12","alias_value":"DL2H3IW3YNO2","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DL2H3IW3YNO2FN6W","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DL2H3IW3","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DL2H3IW3YNO2FN6WFP4I7I7WNU","target":"record","payload":{"canonical_record":{"source":{"id":"1602.08929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-29T12:19:04Z","cross_cats_sorted":[],"title_canon_sha256":"152d60d12d0af7ec003adfd158c0f27aaf4e84faec74da0fa37eb41ee8acee25","abstract_canon_sha256":"9f671ee7dbdbfa1f5e13ad17c6a002489b24d040dbe517160bc7dc48b7361ed2"},"schema_version":"1.0"},"canonical_sha256":"1af47da2dbc35da2b7d62bf88fa3f66d2b1b05f60c376f6b56f0383ca66c5cbf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:51.653510Z","signature_b64":"glv69ZmneHv84pne+fnQ0lapRd/gA2QDzEc/c4VqU0a9L9hcUntOawvsilDcWj3DtbtF4BEPdn6RpwCUdt13CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1af47da2dbc35da2b7d62bf88fa3f66d2b1b05f60c376f6b56f0383ca66c5cbf","last_reissued_at":"2026-05-18T01:19:51.652889Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:51.652889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.08929","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":"2026-05-18T01:19:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNZR3+EZ/qyDP1DWeHhAwQOxAzn2IC5kE4nhPGj2WwzGjWyQpfVJ0ytb6HWYIq7oc5iO4ebfxPL1KeiXcsR3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:01:06.872819Z"},"content_sha256":"4253b0a1fb8640ae8f74d801ece8c58674e96c55af1260a776e9187d18791d33","schema_version":"1.0","event_id":"sha256:4253b0a1fb8640ae8f74d801ece8c58674e96c55af1260a776e9187d18791d33"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DL2H3IW3YNO2FN6WFP4I7I7WNU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"All-mechanical quantum noise cancellation for accelerometry: broadband with momentum measurements, narrow band without","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hideo Mabuchi, Kurt Jacobs, Nikolas Tezak, Radhakrishnan Balu","submitted_at":"2016-02-29T12:19:04Z","abstract_excerpt":"We show that the ability to make direct measurements of momentum, in addition to the usual direct measurements of position, allows a simple configuration of two identical mechanical oscillators to be used for broadband back-action-free force metrology. This would eliminate the need for an optical reference oscillator in the scheme of Tsang and Caves [Phys. Rev. Lett. 105, 123601 (2010)], along with its associated disadvantages. We also show that if one is restricted to position measurements alone then two copies of the same two-oscillator configuration can be used for narrow-band back-action-f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08929","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":"2026-05-18T01:19:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rrphz2ljIuwh3KtgHaHurS7G4s19Fs0mKUB2tcPoD0GwBbYAfyFWl324D5MX7VjMozD7uxbxi5Qwg1LD78x0DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:01:06.873173Z"},"content_sha256":"41c00e7fcad9ae17ee8a454cb83498e16d6d14a94631cbdf1b47f399f9179693","schema_version":"1.0","event_id":"sha256:41c00e7fcad9ae17ee8a454cb83498e16d6d14a94631cbdf1b47f399f9179693"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DL2H3IW3YNO2FN6WFP4I7I7WNU/bundle.json","state_url":"https://pith.science/pith/DL2H3IW3YNO2FN6WFP4I7I7WNU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DL2H3IW3YNO2FN6WFP4I7I7WNU/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":"2026-05-28T03:01:06Z","links":{"resolver":"https://pith.science/pith/DL2H3IW3YNO2FN6WFP4I7I7WNU","bundle":"https://pith.science/pith/DL2H3IW3YNO2FN6WFP4I7I7WNU/bundle.json","state":"https://pith.science/pith/DL2H3IW3YNO2FN6WFP4I7I7WNU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DL2H3IW3YNO2FN6WFP4I7I7WNU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DL2H3IW3YNO2FN6WFP4I7I7WNU","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":"9f671ee7dbdbfa1f5e13ad17c6a002489b24d040dbe517160bc7dc48b7361ed2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-29T12:19:04Z","title_canon_sha256":"152d60d12d0af7ec003adfd158c0f27aaf4e84faec74da0fa37eb41ee8acee25"},"schema_version":"1.0","source":{"id":"1602.08929","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.08929","created_at":"2026-05-18T01:19:51Z"},{"alias_kind":"arxiv_version","alias_value":"1602.08929v1","created_at":"2026-05-18T01:19:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.08929","created_at":"2026-05-18T01:19:51Z"},{"alias_kind":"pith_short_12","alias_value":"DL2H3IW3YNO2","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DL2H3IW3YNO2FN6W","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DL2H3IW3","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:41c00e7fcad9ae17ee8a454cb83498e16d6d14a94631cbdf1b47f399f9179693","target":"graph","created_at":"2026-05-18T01:19:51Z","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 that the ability to make direct measurements of momentum, in addition to the usual direct measurements of position, allows a simple configuration of two identical mechanical oscillators to be used for broadband back-action-free force metrology. This would eliminate the need for an optical reference oscillator in the scheme of Tsang and Caves [Phys. Rev. Lett. 105, 123601 (2010)], along with its associated disadvantages. We also show that if one is restricted to position measurements alone then two copies of the same two-oscillator configuration can be used for narrow-band back-action-f","authors_text":"Hideo Mabuchi, Kurt Jacobs, Nikolas Tezak, Radhakrishnan Balu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-29T12:19:04Z","title":"All-mechanical quantum noise cancellation for accelerometry: broadband with momentum measurements, narrow band without"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.08929","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":"sha256:4253b0a1fb8640ae8f74d801ece8c58674e96c55af1260a776e9187d18791d33","target":"record","created_at":"2026-05-18T01:19:51Z","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":"9f671ee7dbdbfa1f5e13ad17c6a002489b24d040dbe517160bc7dc48b7361ed2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-29T12:19:04Z","title_canon_sha256":"152d60d12d0af7ec003adfd158c0f27aaf4e84faec74da0fa37eb41ee8acee25"},"schema_version":"1.0","source":{"id":"1602.08929","kind":"arxiv","version":1}},"canonical_sha256":"1af47da2dbc35da2b7d62bf88fa3f66d2b1b05f60c376f6b56f0383ca66c5cbf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1af47da2dbc35da2b7d62bf88fa3f66d2b1b05f60c376f6b56f0383ca66c5cbf","first_computed_at":"2026-05-18T01:19:51.652889Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:51.652889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"glv69ZmneHv84pne+fnQ0lapRd/gA2QDzEc/c4VqU0a9L9hcUntOawvsilDcWj3DtbtF4BEPdn6RpwCUdt13CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:51.653510Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.08929","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4253b0a1fb8640ae8f74d801ece8c58674e96c55af1260a776e9187d18791d33","sha256:41c00e7fcad9ae17ee8a454cb83498e16d6d14a94631cbdf1b47f399f9179693"],"state_sha256":"99f42b57d32b3a5d00eda90779381bb238597d2ef41d0fd547a5a40d599b3b8d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o7gkLG+yqmD3sLV2fhUmuF5RWi/cDOZkwQY36L0U4nJP2tp+u2LpBjZCJtFx2RN9lt9zgbGc/hZRN7U002fWCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:01:06.875271Z","bundle_sha256":"6482bc5384de12b045f2a5b011862f05fe0567c28af95767e1b52c36e7578720"}}