{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:D3ZSB37NSWNA4BHCXUACK3UYVS","short_pith_number":"pith:D3ZSB37N","canonical_record":{"source":{"id":"2508.03933","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2025-08-05T21:55:14Z","cross_cats_sorted":[],"title_canon_sha256":"af18476dada5d1a5a401ee7d80acc24d5aefb737a2002abd3c983809a7abc8db","abstract_canon_sha256":"d302f6fb555739354e86f4c1accc6a177c753b6288f460fe1ef6feac39e90e88"},"schema_version":"1.0"},"canonical_sha256":"1ef320efed959a0e04e2bd00256e98ac88152c88158cf53fad13362835670e08","source":{"kind":"arxiv","id":"2508.03933","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.03933","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"arxiv_version","alias_value":"2508.03933v1","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.03933","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"pith_short_12","alias_value":"D3ZSB37NSWNA","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"pith_short_16","alias_value":"D3ZSB37NSWNA4BHC","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"pith_short_8","alias_value":"D3ZSB37N","created_at":"2026-07-05T11:49:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:D3ZSB37NSWNA4BHCXUACK3UYVS","target":"record","payload":{"canonical_record":{"source":{"id":"2508.03933","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2025-08-05T21:55:14Z","cross_cats_sorted":[],"title_canon_sha256":"af18476dada5d1a5a401ee7d80acc24d5aefb737a2002abd3c983809a7abc8db","abstract_canon_sha256":"d302f6fb555739354e86f4c1accc6a177c753b6288f460fe1ef6feac39e90e88"},"schema_version":"1.0"},"canonical_sha256":"1ef320efed959a0e04e2bd00256e98ac88152c88158cf53fad13362835670e08","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:49:17.534108Z","signature_b64":"RjGA2C1VnNGhT8J2z6LYFc9C6Damn6qBMnfzKNJn1/ccxMSLTM84eia2dirgLEc0Nx8oVykITPw52GDqoSypCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ef320efed959a0e04e2bd00256e98ac88152c88158cf53fad13362835670e08","last_reissued_at":"2026-07-05T11:49:17.533608Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:49:17.533608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.03933","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":"2026-07-05T11:49:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"agsYzmXOuUZfNxm+UvfzAWs3VE+Uj6xqgHvJW9sljAfUsxi7WkT9rUjUjwrbNAwirqptebUTUi5wd780KUPiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:41:23.457882Z"},"content_sha256":"e0a73574159ee421b6526e3b06a4a346d2f342415b2067f0092c25cfc737943b","schema_version":"1.0","event_id":"sha256:e0a73574159ee421b6526e3b06a4a346d2f342415b2067f0092c25cfc737943b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:D3ZSB37NSWNA4BHCXUACK3UYVS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards terahertz nanomechanics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Hong X. Tang, Jiacheng Xie, Mohan Shen, Patrick Fay, Weifeng Wu","submitted_at":"2025-08-05T21:55:14Z","abstract_excerpt":"Advancing electromechanical resonators towards terahertz frequencies opens vast bandwidths for phononic signal processing. In quantum phononics, mechanical resonators at these frequencies can remain in their quantum ground state even at kelvin temperatures, obviating the need for millikelvin cooling typically required for GHz resonators. However, electrical actuation and detection of mechanical motion at such high frequencies present significant challenges, primarily due to the need for device miniaturization to support acoustic waves with nanometer-scale wavelengths. One effective strategy is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.03933","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2508.03933/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:49:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZAv1anArJCfY9fNG9A3o2qv+V/oeBzOpZoI/4qQWAm7rj86qK+MsVqhttUWmZo6SIwKJNiIlI9hVQ45WTllPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T20:41:23.458276Z"},"content_sha256":"a1096a6a2fcf55a96a277b4907a9d613b22e5d751eaa424455a54f20a62e8396","schema_version":"1.0","event_id":"sha256:a1096a6a2fcf55a96a277b4907a9d613b22e5d751eaa424455a54f20a62e8396"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D3ZSB37NSWNA4BHCXUACK3UYVS/bundle.json","state_url":"https://pith.science/pith/D3ZSB37NSWNA4BHCXUACK3UYVS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D3ZSB37NSWNA4BHCXUACK3UYVS/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":"2026-07-31T20:41:23Z","links":{"resolver":"https://pith.science/pith/D3ZSB37NSWNA4BHCXUACK3UYVS","bundle":"https://pith.science/pith/D3ZSB37NSWNA4BHCXUACK3UYVS/bundle.json","state":"https://pith.science/pith/D3ZSB37NSWNA4BHCXUACK3UYVS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D3ZSB37NSWNA4BHCXUACK3UYVS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:D3ZSB37NSWNA4BHCXUACK3UYVS","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":"d302f6fb555739354e86f4c1accc6a177c753b6288f460fe1ef6feac39e90e88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2025-08-05T21:55:14Z","title_canon_sha256":"af18476dada5d1a5a401ee7d80acc24d5aefb737a2002abd3c983809a7abc8db"},"schema_version":"1.0","source":{"id":"2508.03933","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.03933","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"arxiv_version","alias_value":"2508.03933v1","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.03933","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"pith_short_12","alias_value":"D3ZSB37NSWNA","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"pith_short_16","alias_value":"D3ZSB37NSWNA4BHC","created_at":"2026-07-05T11:49:17Z"},{"alias_kind":"pith_short_8","alias_value":"D3ZSB37N","created_at":"2026-07-05T11:49:17Z"}],"graph_snapshots":[{"event_id":"sha256:a1096a6a2fcf55a96a277b4907a9d613b22e5d751eaa424455a54f20a62e8396","target":"graph","created_at":"2026-07-05T11:49:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2508.03933/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Advancing electromechanical resonators towards terahertz frequencies opens vast bandwidths for phononic signal processing. In quantum phononics, mechanical resonators at these frequencies can remain in their quantum ground state even at kelvin temperatures, obviating the need for millikelvin cooling typically required for GHz resonators. However, electrical actuation and detection of mechanical motion at such high frequencies present significant challenges, primarily due to the need for device miniaturization to support acoustic waves with nanometer-scale wavelengths. One effective strategy is","authors_text":"Hong X. Tang, Jiacheng Xie, Mohan Shen, Patrick Fay, Weifeng Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2025-08-05T21:55:14Z","title":"Towards terahertz nanomechanics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.03933","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:e0a73574159ee421b6526e3b06a4a346d2f342415b2067f0092c25cfc737943b","target":"record","created_at":"2026-07-05T11:49:17Z","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":"d302f6fb555739354e86f4c1accc6a177c753b6288f460fe1ef6feac39e90e88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2025-08-05T21:55:14Z","title_canon_sha256":"af18476dada5d1a5a401ee7d80acc24d5aefb737a2002abd3c983809a7abc8db"},"schema_version":"1.0","source":{"id":"2508.03933","kind":"arxiv","version":1}},"canonical_sha256":"1ef320efed959a0e04e2bd00256e98ac88152c88158cf53fad13362835670e08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ef320efed959a0e04e2bd00256e98ac88152c88158cf53fad13362835670e08","first_computed_at":"2026-07-05T11:49:17.533608Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:49:17.533608Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RjGA2C1VnNGhT8J2z6LYFc9C6Damn6qBMnfzKNJn1/ccxMSLTM84eia2dirgLEc0Nx8oVykITPw52GDqoSypCw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:49:17.534108Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.03933","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0a73574159ee421b6526e3b06a4a346d2f342415b2067f0092c25cfc737943b","sha256:a1096a6a2fcf55a96a277b4907a9d613b22e5d751eaa424455a54f20a62e8396"],"state_sha256":"8029e438966b7ebff8ca51063f913111f5f23cad20c7f8298ac3366ad3b00e9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"av0MMio3JcHbuUWiZKzNv7ASBZdSrEZV12Re2AcwvsCoY1sMR1D/o4uCvTiZN0X/+9PrAy9L9wISihj/n4DwDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T20:41:23.461707Z","bundle_sha256":"2e3e1ad28e9db66b52a21a5bcea4af5f86a77fa01c44e2729302e376d508e845"}}