{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:ISZJADGOAHBOEE3R3VEVAITU2X","short_pith_number":"pith:ISZJADGO","canonical_record":{"source":{"id":"2004.01086","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T15:43:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"b5dfedd5054a4d8b8812c6ecce8154f5e297dc1fd8c716a27b657795a612df09","abstract_canon_sha256":"978afb1ff25eff9d1fef6c626700cfb2b17b020708a1f769d82ff3fb1a4bdc1a"},"schema_version":"1.0"},"canonical_sha256":"44b2900cce01c2e21371dd49502274d5d8a2fe3d03aa11df95d182c4c2b6b15d","source":{"kind":"arxiv","id":"2004.01086","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.01086","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"arxiv_version","alias_value":"2004.01086v1","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.01086","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"pith_short_12","alias_value":"ISZJADGOAHBO","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"pith_short_16","alias_value":"ISZJADGOAHBOEE3R","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"pith_short_8","alias_value":"ISZJADGO","created_at":"2026-07-05T00:52:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:ISZJADGOAHBOEE3R3VEVAITU2X","target":"record","payload":{"canonical_record":{"source":{"id":"2004.01086","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T15:43:10Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"b5dfedd5054a4d8b8812c6ecce8154f5e297dc1fd8c716a27b657795a612df09","abstract_canon_sha256":"978afb1ff25eff9d1fef6c626700cfb2b17b020708a1f769d82ff3fb1a4bdc1a"},"schema_version":"1.0"},"canonical_sha256":"44b2900cce01c2e21371dd49502274d5d8a2fe3d03aa11df95d182c4c2b6b15d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:52:24.184726Z","signature_b64":"oBqf870dBXe5okGw9NO3FvvxM8lkbC2IZlO/byqYTtzXetLzWHDblxSMhgVzN/mDDxect8G6ejl9IJbrC6sMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44b2900cce01c2e21371dd49502274d5d8a2fe3d03aa11df95d182c4c2b6b15d","last_reissued_at":"2026-07-05T00:52:24.184327Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:52:24.184327Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.01086","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":"2026-07-05T00:52:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qX5grNcOZAcRZ/ZG9pvcBHRyOkm2vMQyXIacz2bNP6d3rqKiUgC3j3sCle9KxO0Rfmytaa7VIcGBq099sZxuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T14:06:25.336354Z"},"content_sha256":"060b83bcc2354f3912930def6e47952a4969985c375cae9a7634a4045b3bb4b5","schema_version":"1.0","event_id":"sha256:060b83bcc2354f3912930def6e47952a4969985c375cae9a7634a4045b3bb4b5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:ISZJADGOAHBOEE3R3VEVAITU2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Narrow Line Width Quantum Emitters in an Electron-Beam-Shaped Polymer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.app-ph","authors_text":"Agust\\'in Mihi, A. Lavacchi, Anna P. Ovvyan, Antoine Reserbat-Plantey, Camilla Dore, Carlotta Ciancico, Costanza Toninelli, E. Berretti, Frank H. L. Koppens, Johann Osmond, Kevin G. Sch\\\"adler, Maja Colautti, Pietro Lombardi, Sofia Pazzagli, Wolfram H. P. Pernice","submitted_at":"2020-04-02T15:43:10Z","abstract_excerpt":"Solid-state single photon sources (SPSs) with narrow line width play an important role in many leading quantum technologies. Within the wide range of SPSs studied to date, single fluorescent molecules hosted in organic crystals stand out as bright, photostable SPSs with a lifetime-limited optical resonance at cryogenic temperatures. Furthermore, recent results have demonstrated that photostability and narrow line widths are still observed from single molecules hosted in a nanocrystalline environment, which paves the way for their integration with photonic circuitry. Polymers offer a compatible"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.01086","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/2004.01086/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":"2026-07-05T00:52:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vsj6nsx/yaVBC6zesXRAAgU19oHarfKzbXflQP+x1z9neNLUSPNU8N0iysRlc0BeM+7H1Uf2EsI2daTO/euwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T14:06:25.336730Z"},"content_sha256":"e0b69426ad9a8260b4e4eb1e04be4f22b78814aed1c2f8d6fd070c3d747f448e","schema_version":"1.0","event_id":"sha256:e0b69426ad9a8260b4e4eb1e04be4f22b78814aed1c2f8d6fd070c3d747f448e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ISZJADGOAHBOEE3R3VEVAITU2X/bundle.json","state_url":"https://pith.science/pith/ISZJADGOAHBOEE3R3VEVAITU2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ISZJADGOAHBOEE3R3VEVAITU2X/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":"2026-07-18T14:06:25Z","links":{"resolver":"https://pith.science/pith/ISZJADGOAHBOEE3R3VEVAITU2X","bundle":"https://pith.science/pith/ISZJADGOAHBOEE3R3VEVAITU2X/bundle.json","state":"https://pith.science/pith/ISZJADGOAHBOEE3R3VEVAITU2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ISZJADGOAHBOEE3R3VEVAITU2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:ISZJADGOAHBOEE3R3VEVAITU2X","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":"978afb1ff25eff9d1fef6c626700cfb2b17b020708a1f769d82ff3fb1a4bdc1a","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T15:43:10Z","title_canon_sha256":"b5dfedd5054a4d8b8812c6ecce8154f5e297dc1fd8c716a27b657795a612df09"},"schema_version":"1.0","source":{"id":"2004.01086","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.01086","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"arxiv_version","alias_value":"2004.01086v1","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.01086","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"pith_short_12","alias_value":"ISZJADGOAHBO","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"pith_short_16","alias_value":"ISZJADGOAHBOEE3R","created_at":"2026-07-05T00:52:24Z"},{"alias_kind":"pith_short_8","alias_value":"ISZJADGO","created_at":"2026-07-05T00:52:24Z"}],"graph_snapshots":[{"event_id":"sha256:e0b69426ad9a8260b4e4eb1e04be4f22b78814aed1c2f8d6fd070c3d747f448e","target":"graph","created_at":"2026-07-05T00:52:24Z","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/2004.01086/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Solid-state single photon sources (SPSs) with narrow line width play an important role in many leading quantum technologies. Within the wide range of SPSs studied to date, single fluorescent molecules hosted in organic crystals stand out as bright, photostable SPSs with a lifetime-limited optical resonance at cryogenic temperatures. Furthermore, recent results have demonstrated that photostability and narrow line widths are still observed from single molecules hosted in a nanocrystalline environment, which paves the way for their integration with photonic circuitry. Polymers offer a compatible","authors_text":"Agust\\'in Mihi, A. Lavacchi, Anna P. Ovvyan, Antoine Reserbat-Plantey, Camilla Dore, Carlotta Ciancico, Costanza Toninelli, E. Berretti, Frank H. L. Koppens, Johann Osmond, Kevin G. Sch\\\"adler, Maja Colautti, Pietro Lombardi, Sofia Pazzagli, Wolfram H. P. Pernice","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T15:43:10Z","title":"Narrow Line Width Quantum Emitters in an Electron-Beam-Shaped Polymer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.01086","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":"sha256:060b83bcc2354f3912930def6e47952a4969985c375cae9a7634a4045b3bb4b5","target":"record","created_at":"2026-07-05T00:52:24Z","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":"978afb1ff25eff9d1fef6c626700cfb2b17b020708a1f769d82ff3fb1a4bdc1a","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2020-04-02T15:43:10Z","title_canon_sha256":"b5dfedd5054a4d8b8812c6ecce8154f5e297dc1fd8c716a27b657795a612df09"},"schema_version":"1.0","source":{"id":"2004.01086","kind":"arxiv","version":1}},"canonical_sha256":"44b2900cce01c2e21371dd49502274d5d8a2fe3d03aa11df95d182c4c2b6b15d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44b2900cce01c2e21371dd49502274d5d8a2fe3d03aa11df95d182c4c2b6b15d","first_computed_at":"2026-07-05T00:52:24.184327Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:52:24.184327Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oBqf870dBXe5okGw9NO3FvvxM8lkbC2IZlO/byqYTtzXetLzWHDblxSMhgVzN/mDDxect8G6ejl9IJbrC6sMDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:52:24.184726Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.01086","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:060b83bcc2354f3912930def6e47952a4969985c375cae9a7634a4045b3bb4b5","sha256:e0b69426ad9a8260b4e4eb1e04be4f22b78814aed1c2f8d6fd070c3d747f448e"],"state_sha256":"5212a8030d02ed0bf6ab5469c87147d3edf5c5070b6d88b1d71a2f01266a6240"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+lLoabKSUY56Y/SDdGIur7ooE/jQMunvNB+HKk+nB9NvsqHOa1ex9484G/uFFjclUwIGFRDcW5Uon/QavXuvDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T14:06:25.338821Z","bundle_sha256":"c4403c3dfbe83075da60f3daf8de559f8e703ffd0f003019bd02fb0f3b1e709e"}}