{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OOOVXKZF7MXNEZBTQ5Z2TJIFOR","short_pith_number":"pith:OOOVXKZF","canonical_record":{"source":{"id":"1812.06644","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-17T08:18:44Z","cross_cats_sorted":[],"title_canon_sha256":"4da3ed38659484edf23d5705aa8fa93e610f6aacb2dc960b7d13573b5048afd0","abstract_canon_sha256":"65364c67a3562b7f981e42f95c57858cf0a46365bcad11b64274fa04356a6422"},"schema_version":"1.0"},"canonical_sha256":"739d5bab25fb2ed264338773a9a505747167f588906ead348c4095750788affc","source":{"kind":"arxiv","id":"1812.06644","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06644","created_at":"2026-05-17T23:46:09Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06644v2","created_at":"2026-05-17T23:46:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06644","created_at":"2026-05-17T23:46:09Z"},{"alias_kind":"pith_short_12","alias_value":"OOOVXKZF7MXN","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OOOVXKZF7MXNEZBT","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OOOVXKZF","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OOOVXKZF7MXNEZBTQ5Z2TJIFOR","target":"record","payload":{"canonical_record":{"source":{"id":"1812.06644","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-17T08:18:44Z","cross_cats_sorted":[],"title_canon_sha256":"4da3ed38659484edf23d5705aa8fa93e610f6aacb2dc960b7d13573b5048afd0","abstract_canon_sha256":"65364c67a3562b7f981e42f95c57858cf0a46365bcad11b64274fa04356a6422"},"schema_version":"1.0"},"canonical_sha256":"739d5bab25fb2ed264338773a9a505747167f588906ead348c4095750788affc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:09.280974Z","signature_b64":"HM0NBKWAZvY7LK75l8myd5m8xproi/6zQKe0bWXCeDEFPladcK1sjuqXUmtEE/cDO7TnzUU3MQ/7xbh2TLH0AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"739d5bab25fb2ed264338773a9a505747167f588906ead348c4095750788affc","last_reissued_at":"2026-05-17T23:46:09.280520Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:09.280520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.06644","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:46:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0HopMon7MGDvWRkRkGuZY+/WNLv8JAcOJ8wm5G7gX4638AVL+0ehdRAJvnjCP+JSXAphE670S9vokHeDootTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:35:32.088796Z"},"content_sha256":"c4318c261d94f7c2c3f3a4f5bc6ffd0a2c531503712af06a718e87c704e269ec","schema_version":"1.0","event_id":"sha256:c4318c261d94f7c2c3f3a4f5bc6ffd0a2c531503712af06a718e87c704e269ec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OOOVXKZF7MXNEZBTQ5Z2TJIFOR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron spin relaxation of single phosphorus donors in metal-oxide-semiconductor nanoscale devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Malwin Jakob, Andrea Morello, Andrew S. Dzurak, Arne Laucht, Benjamin Joecker, Brett C. Johnson, David N. Jamieson, Fay E. Hudson, Jeffrey C. McCallum, Kohei M. Itoh, Mark A. I. Johnson, Mateusz T. M\\k{a}dzik, Robert Joynt, Serwan Asaad, Stefanie B. Tenberg","submitted_at":"2018-12-17T08:18:44Z","abstract_excerpt":"We analyze the electron spin relaxation rate $1/T_1$ of individual ion-implanted $^{31}$P donors, in a large set of metal-oxide-semiconductor (MOS) silicon nanoscale devices, with the aim of identifying spin relaxation mechanisms peculiar to the environment of the spins. The measurements are conducted at low temperatures ($T\\approx 100$~mK), as a function of external magnetic field $B_0$ and donor electrochemical potential $\\mu_{\\rm D}$. We observe a magnetic field dependence of the form $1/T_1\\propto B_0^5$ for $B_0\\gtrsim 3\\,$ T, corresponding to the phonon-induced relaxation typical of dono"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06644","kind":"arxiv","version":2},"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":"2026-05-17T23:46:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hPiB08QWtE+zkHVqd+3BitzunRKjvMRhJT386goxZbaoCG1kXgT+SBoLTdHYnTSj4gdbxnCJ7xMStZMXLsVAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:35:32.089392Z"},"content_sha256":"fe353fd7b0feccbed30a1fcfe97d67c998af0fd31328daa26d55c4c3037c7b01","schema_version":"1.0","event_id":"sha256:fe353fd7b0feccbed30a1fcfe97d67c998af0fd31328daa26d55c4c3037c7b01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OOOVXKZF7MXNEZBTQ5Z2TJIFOR/bundle.json","state_url":"https://pith.science/pith/OOOVXKZF7MXNEZBTQ5Z2TJIFOR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OOOVXKZF7MXNEZBTQ5Z2TJIFOR/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":"2026-05-18T21:35:32Z","links":{"resolver":"https://pith.science/pith/OOOVXKZF7MXNEZBTQ5Z2TJIFOR","bundle":"https://pith.science/pith/OOOVXKZF7MXNEZBTQ5Z2TJIFOR/bundle.json","state":"https://pith.science/pith/OOOVXKZF7MXNEZBTQ5Z2TJIFOR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OOOVXKZF7MXNEZBTQ5Z2TJIFOR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OOOVXKZF7MXNEZBTQ5Z2TJIFOR","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":"65364c67a3562b7f981e42f95c57858cf0a46365bcad11b64274fa04356a6422","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-17T08:18:44Z","title_canon_sha256":"4da3ed38659484edf23d5705aa8fa93e610f6aacb2dc960b7d13573b5048afd0"},"schema_version":"1.0","source":{"id":"1812.06644","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.06644","created_at":"2026-05-17T23:46:09Z"},{"alias_kind":"arxiv_version","alias_value":"1812.06644v2","created_at":"2026-05-17T23:46:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06644","created_at":"2026-05-17T23:46:09Z"},{"alias_kind":"pith_short_12","alias_value":"OOOVXKZF7MXN","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OOOVXKZF7MXNEZBT","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OOOVXKZF","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:fe353fd7b0feccbed30a1fcfe97d67c998af0fd31328daa26d55c4c3037c7b01","target":"graph","created_at":"2026-05-17T23:46:09Z","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 analyze the electron spin relaxation rate $1/T_1$ of individual ion-implanted $^{31}$P donors, in a large set of metal-oxide-semiconductor (MOS) silicon nanoscale devices, with the aim of identifying spin relaxation mechanisms peculiar to the environment of the spins. The measurements are conducted at low temperatures ($T\\approx 100$~mK), as a function of external magnetic field $B_0$ and donor electrochemical potential $\\mu_{\\rm D}$. We observe a magnetic field dependence of the form $1/T_1\\propto B_0^5$ for $B_0\\gtrsim 3\\,$ T, corresponding to the phonon-induced relaxation typical of dono","authors_text":"A. Malwin Jakob, Andrea Morello, Andrew S. Dzurak, Arne Laucht, Benjamin Joecker, Brett C. Johnson, David N. Jamieson, Fay E. Hudson, Jeffrey C. McCallum, Kohei M. Itoh, Mark A. I. Johnson, Mateusz T. M\\k{a}dzik, Robert Joynt, Serwan Asaad, Stefanie B. Tenberg","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-17T08:18:44Z","title":"Electron spin relaxation of single phosphorus donors in metal-oxide-semiconductor nanoscale devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06644","kind":"arxiv","version":2},"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:c4318c261d94f7c2c3f3a4f5bc6ffd0a2c531503712af06a718e87c704e269ec","target":"record","created_at":"2026-05-17T23:46:09Z","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":"65364c67a3562b7f981e42f95c57858cf0a46365bcad11b64274fa04356a6422","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-12-17T08:18:44Z","title_canon_sha256":"4da3ed38659484edf23d5705aa8fa93e610f6aacb2dc960b7d13573b5048afd0"},"schema_version":"1.0","source":{"id":"1812.06644","kind":"arxiv","version":2}},"canonical_sha256":"739d5bab25fb2ed264338773a9a505747167f588906ead348c4095750788affc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"739d5bab25fb2ed264338773a9a505747167f588906ead348c4095750788affc","first_computed_at":"2026-05-17T23:46:09.280520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:46:09.280520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HM0NBKWAZvY7LK75l8myd5m8xproi/6zQKe0bWXCeDEFPladcK1sjuqXUmtEE/cDO7TnzUU3MQ/7xbh2TLH0AQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:46:09.280974Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.06644","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c4318c261d94f7c2c3f3a4f5bc6ffd0a2c531503712af06a718e87c704e269ec","sha256:fe353fd7b0feccbed30a1fcfe97d67c998af0fd31328daa26d55c4c3037c7b01"],"state_sha256":"0f9cd43af2be305c2e7c34e0778976583e6b510787ab868580e30024bdbb2f0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"le7w1sxTmdvOl2e2YpmN+NTtDi9z72MJ3ak1v1NJQDbGJdHLCREzAe5MN4F1RZ6syvDBIhHVfGXoX0lLt5EHCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T21:35:32.092235Z","bundle_sha256":"f2b0f08883e1c20659cca44ebadc3c3e5b5ea7f3879b46ecfe1c971469dc46df"}}