{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:QCXDQYVF4FJPTPCIEMXZ4LGWB3","short_pith_number":"pith:QCXDQYVF","canonical_record":{"source":{"id":"2503.09946","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-03-13T01:44:50Z","cross_cats_sorted":["physics.atom-ph","physics.optics"],"title_canon_sha256":"66994942a7a6952f116e49e1cc4b2e4eb829fa644fe87d97605247b32bc662bf","abstract_canon_sha256":"04fd24d5ad421a55ff1d3785130e2757c5ab2c1493affe7f44cd9ed103392604"},"schema_version":"1.0"},"canonical_sha256":"80ae3862a5e152f9bc48232f9e2cd60edf8425c4f654e8bd8773cc618d526a5f","source":{"kind":"arxiv","id":"2503.09946","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.09946","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"arxiv_version","alias_value":"2503.09946v3","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.09946","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"pith_short_12","alias_value":"QCXDQYVF4FJP","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"pith_short_16","alias_value":"QCXDQYVF4FJPTPCI","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"pith_short_8","alias_value":"QCXDQYVF","created_at":"2026-05-27T01:05:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:QCXDQYVF4FJPTPCIEMXZ4LGWB3","target":"record","payload":{"canonical_record":{"source":{"id":"2503.09946","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-03-13T01:44:50Z","cross_cats_sorted":["physics.atom-ph","physics.optics"],"title_canon_sha256":"66994942a7a6952f116e49e1cc4b2e4eb829fa644fe87d97605247b32bc662bf","abstract_canon_sha256":"04fd24d5ad421a55ff1d3785130e2757c5ab2c1493affe7f44cd9ed103392604"},"schema_version":"1.0"},"canonical_sha256":"80ae3862a5e152f9bc48232f9e2cd60edf8425c4f654e8bd8773cc618d526a5f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:05:33.565873Z","signature_b64":"PeSLmRLwoE+PvHpN6SnfQSeJLjFAp2MtWUihgwHU707JAtJSbWCPndWjEJl4ZlkxkO8FR4fbyK4n4eId/QNfAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80ae3862a5e152f9bc48232f9e2cd60edf8425c4f654e8bd8773cc618d526a5f","last_reissued_at":"2026-05-27T01:05:33.564989Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:05:33.564989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.09946","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-27T01:05:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1UZwVR3mf1Z0pauBaM6VSNl8WGN5cnjqY4Bp05aFp9tPRK/qMF7fDim8J0Sb/gG7PhWCZZhLaS3ONvcrNpmiAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:53:42.498277Z"},"content_sha256":"43d5ba1b840bf11796cd83dd6826fbb93f21d19f324d18c8bba87299923fc729","schema_version":"1.0","event_id":"sha256:43d5ba1b840bf11796cd83dd6826fbb93f21d19f324d18c8bba87299923fc729"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:QCXDQYVF4FJPTPCIEMXZ4LGWB3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Purcell-enhanced spin-phonon coupling with a single color center","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"Bartholomeus Machielse, Benjamin Pingault, Chang Jin, Cleaven Chia, Dongyeon Daniel Kang, Graham Joe, Hana Warner, Kazuhiro Kuruma, Marko Loncar, Michael Haas, Sophie Ding, Srujan Meesala","submitted_at":"2025-03-13T01:44:50Z","abstract_excerpt":"The radiative properties of atoms are inherently linked to their surrounding environment. Placing an electromagnetic resonator around atoms can enhance spontaneous emission, as shown by Purcell in the 1940s. This approach is now routinely used in quantum computing and communication to channel photons emitted by atoms into well-defined modes and control atom-photon interactions. For solid-state artificial atoms, such as color-centers, the host lattice introduces an acoustic environment, allowing excited atoms to relax by emitting phonons. Here we observe the acoustic Purcell effect by construct"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.09946","kind":"arxiv","version":3},"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/2503.09946/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":"2026-05-27T01:05:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TG4LVKxeUM8oHxl8YU7gklsmXZkbo5/099U/3F1tVt2X3qkV2jfHuriV4beSd9pBw9xgHx8n4qduD3WTQ/QEDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:53:42.498679Z"},"content_sha256":"bddee03629131c295636932ddfd94039d0393e951f8be1aa82f0117f63e9da4c","schema_version":"1.0","event_id":"sha256:bddee03629131c295636932ddfd94039d0393e951f8be1aa82f0117f63e9da4c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QCXDQYVF4FJPTPCIEMXZ4LGWB3/bundle.json","state_url":"https://pith.science/pith/QCXDQYVF4FJPTPCIEMXZ4LGWB3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QCXDQYVF4FJPTPCIEMXZ4LGWB3/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":"2026-06-01T19:53:42Z","links":{"resolver":"https://pith.science/pith/QCXDQYVF4FJPTPCIEMXZ4LGWB3","bundle":"https://pith.science/pith/QCXDQYVF4FJPTPCIEMXZ4LGWB3/bundle.json","state":"https://pith.science/pith/QCXDQYVF4FJPTPCIEMXZ4LGWB3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QCXDQYVF4FJPTPCIEMXZ4LGWB3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:QCXDQYVF4FJPTPCIEMXZ4LGWB3","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":"04fd24d5ad421a55ff1d3785130e2757c5ab2c1493affe7f44cd9ed103392604","cross_cats_sorted":["physics.atom-ph","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-03-13T01:44:50Z","title_canon_sha256":"66994942a7a6952f116e49e1cc4b2e4eb829fa644fe87d97605247b32bc662bf"},"schema_version":"1.0","source":{"id":"2503.09946","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.09946","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"arxiv_version","alias_value":"2503.09946v3","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.09946","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"pith_short_12","alias_value":"QCXDQYVF4FJP","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"pith_short_16","alias_value":"QCXDQYVF4FJPTPCI","created_at":"2026-05-27T01:05:33Z"},{"alias_kind":"pith_short_8","alias_value":"QCXDQYVF","created_at":"2026-05-27T01:05:33Z"}],"graph_snapshots":[{"event_id":"sha256:bddee03629131c295636932ddfd94039d0393e951f8be1aa82f0117f63e9da4c","target":"graph","created_at":"2026-05-27T01:05:33Z","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/2503.09946/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The radiative properties of atoms are inherently linked to their surrounding environment. Placing an electromagnetic resonator around atoms can enhance spontaneous emission, as shown by Purcell in the 1940s. This approach is now routinely used in quantum computing and communication to channel photons emitted by atoms into well-defined modes and control atom-photon interactions. For solid-state artificial atoms, such as color-centers, the host lattice introduces an acoustic environment, allowing excited atoms to relax by emitting phonons. Here we observe the acoustic Purcell effect by construct","authors_text":"Bartholomeus Machielse, Benjamin Pingault, Chang Jin, Cleaven Chia, Dongyeon Daniel Kang, Graham Joe, Hana Warner, Kazuhiro Kuruma, Marko Loncar, Michael Haas, Sophie Ding, Srujan Meesala","cross_cats":["physics.atom-ph","physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-03-13T01:44:50Z","title":"Purcell-enhanced spin-phonon coupling with a single color center"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.09946","kind":"arxiv","version":3},"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":"sha256:43d5ba1b840bf11796cd83dd6826fbb93f21d19f324d18c8bba87299923fc729","target":"record","created_at":"2026-05-27T01:05:33Z","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":"04fd24d5ad421a55ff1d3785130e2757c5ab2c1493affe7f44cd9ed103392604","cross_cats_sorted":["physics.atom-ph","physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-03-13T01:44:50Z","title_canon_sha256":"66994942a7a6952f116e49e1cc4b2e4eb829fa644fe87d97605247b32bc662bf"},"schema_version":"1.0","source":{"id":"2503.09946","kind":"arxiv","version":3}},"canonical_sha256":"80ae3862a5e152f9bc48232f9e2cd60edf8425c4f654e8bd8773cc618d526a5f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80ae3862a5e152f9bc48232f9e2cd60edf8425c4f654e8bd8773cc618d526a5f","first_computed_at":"2026-05-27T01:05:33.564989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-27T01:05:33.564989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PeSLmRLwoE+PvHpN6SnfQSeJLjFAp2MtWUihgwHU707JAtJSbWCPndWjEJl4ZlkxkO8FR4fbyK4n4eId/QNfAw==","signature_status":"signed_v1","signed_at":"2026-05-27T01:05:33.565873Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.09946","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43d5ba1b840bf11796cd83dd6826fbb93f21d19f324d18c8bba87299923fc729","sha256:bddee03629131c295636932ddfd94039d0393e951f8be1aa82f0117f63e9da4c"],"state_sha256":"784cd78f9c63ac8ee83cddcbc31743f227ce8da061563a54adfe73f5969f68bd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WHMAdB6COn62ApcEin9foC6gh13+Qn2Z0TW+fmjWCMcIwnCWBL6PNVogLH8vsNwGu6feVBinicG6ajZ5F9iFBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:53:42.500764Z","bundle_sha256":"640ad5af05e9cd4ddafe3333123b89db83d080d5f6ac38aff38f09c1df195475"}}