{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ZHP2VGMVTUQWSLVH3ZQCOZFFUE","short_pith_number":"pith:ZHP2VGMV","canonical_record":{"source":{"id":"1908.06182","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-08-16T21:24:32Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"25e0ddcd7d29d600eea023b218cb4e64b17f358708eb4bcadb2ea0239ae1ee29","abstract_canon_sha256":"aeb5ff1d0d3b0bad04c52653dfa8c06c3e6ee2c28846b1dad87b3cfe5822384e"},"schema_version":"1.0"},"canonical_sha256":"c9dfaa99959d21692ea7de602764a5a10a0804f445b252ecbdce29e2f1e58f48","source":{"kind":"arxiv","id":"1908.06182","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06182","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06182v3","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06182","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"pith_short_12","alias_value":"ZHP2VGMVTUQW","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"pith_short_16","alias_value":"ZHP2VGMVTUQWSLVH","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"pith_short_8","alias_value":"ZHP2VGMV","created_at":"2026-07-05T00:56:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ZHP2VGMVTUQWSLVH3ZQCOZFFUE","target":"record","payload":{"canonical_record":{"source":{"id":"1908.06182","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-08-16T21:24:32Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"25e0ddcd7d29d600eea023b218cb4e64b17f358708eb4bcadb2ea0239ae1ee29","abstract_canon_sha256":"aeb5ff1d0d3b0bad04c52653dfa8c06c3e6ee2c28846b1dad87b3cfe5822384e"},"schema_version":"1.0"},"canonical_sha256":"c9dfaa99959d21692ea7de602764a5a10a0804f445b252ecbdce29e2f1e58f48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:56:29.887454Z","signature_b64":"sBKysWIMeTSVzghbZRkSCwhPGd3iWLv7GA3LvhZAPFtJrQxLTBA2T9YusP77LnHkon4yfvIvF3r6S1vQWMQ/Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9dfaa99959d21692ea7de602764a5a10a0804f445b252ecbdce29e2f1e58f48","last_reissued_at":"2026-07-05T00:56:29.887055Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:56:29.887055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.06182","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":"2026-07-05T00:56:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3lKO6+yUhYq9v7yId0xfBzadJ/1Z6B2yiAgGDJwnaLNDsd5pypceHq7PaSCz3P6+foeptbJhjsjrFXbYiQkYBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T04:08:12.463995Z"},"content_sha256":"efc9541a75e4e863974ccbd9a3ee6d0c0be019d99c4bd15383a7c05b903c5c5c","schema_version":"1.0","event_id":"sha256:efc9541a75e4e863974ccbd9a3ee6d0c0be019d99c4bd15383a7c05b903c5c5c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ZHP2VGMVTUQWSLVH3ZQCOZFFUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measured Effectiveness of Deep N-well Substrate Isolation in a 65nm Pixel Readout Chip Prototype","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Amanda Krieger, Dario Gnani, Maurice Garcia-Sciveres, Peilian Liu, Timon Heim","submitted_at":"2019-08-16T21:24:32Z","abstract_excerpt":"The same charge sensitive preamplifier and discriminator circuit with different isolation strategies has been tested to compare the isolation of both analog and digital circuits from the substrate of a 65nm bulk CMOS process to the isolation of only digital circuits, tying analog ground locally to the substrate. This study will show that the circuit with analog on the substrate and digital in deep N-well has better noise isolation between analog and digital."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06182","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/1908.06182/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":"2026-07-05T00:56:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aVCJOxotJOzy6EPVeOAQahMqovMLbgoITEegC4/M9ewM3OZBmBQuTN0hHwh3JxkUBg/4bKh3bBbkAIwMvJEmDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T04:08:12.464438Z"},"content_sha256":"74a2250f16eb47c17bbdb37ee32fd3a70cfa5f0b15a3aaff6c6d878e65150160","schema_version":"1.0","event_id":"sha256:74a2250f16eb47c17bbdb37ee32fd3a70cfa5f0b15a3aaff6c6d878e65150160"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZHP2VGMVTUQWSLVH3ZQCOZFFUE/bundle.json","state_url":"https://pith.science/pith/ZHP2VGMVTUQWSLVH3ZQCOZFFUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZHP2VGMVTUQWSLVH3ZQCOZFFUE/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":"2026-08-13T04:08:12Z","links":{"resolver":"https://pith.science/pith/ZHP2VGMVTUQWSLVH3ZQCOZFFUE","bundle":"https://pith.science/pith/ZHP2VGMVTUQWSLVH3ZQCOZFFUE/bundle.json","state":"https://pith.science/pith/ZHP2VGMVTUQWSLVH3ZQCOZFFUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZHP2VGMVTUQWSLVH3ZQCOZFFUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ZHP2VGMVTUQWSLVH3ZQCOZFFUE","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":"aeb5ff1d0d3b0bad04c52653dfa8c06c3e6ee2c28846b1dad87b3cfe5822384e","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-08-16T21:24:32Z","title_canon_sha256":"25e0ddcd7d29d600eea023b218cb4e64b17f358708eb4bcadb2ea0239ae1ee29"},"schema_version":"1.0","source":{"id":"1908.06182","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06182","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06182v3","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06182","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"pith_short_12","alias_value":"ZHP2VGMVTUQW","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"pith_short_16","alias_value":"ZHP2VGMVTUQWSLVH","created_at":"2026-07-05T00:56:29Z"},{"alias_kind":"pith_short_8","alias_value":"ZHP2VGMV","created_at":"2026-07-05T00:56:29Z"}],"graph_snapshots":[{"event_id":"sha256:74a2250f16eb47c17bbdb37ee32fd3a70cfa5f0b15a3aaff6c6d878e65150160","target":"graph","created_at":"2026-07-05T00:56:29Z","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/1908.06182/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The same charge sensitive preamplifier and discriminator circuit with different isolation strategies has been tested to compare the isolation of both analog and digital circuits from the substrate of a 65nm bulk CMOS process to the isolation of only digital circuits, tying analog ground locally to the substrate. This study will show that the circuit with analog on the substrate and digital in deep N-well has better noise isolation between analog and digital.","authors_text":"Amanda Krieger, Dario Gnani, Maurice Garcia-Sciveres, Peilian Liu, Timon Heim","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-08-16T21:24:32Z","title":"Measured Effectiveness of Deep N-well Substrate Isolation in a 65nm Pixel Readout Chip Prototype"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06182","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:efc9541a75e4e863974ccbd9a3ee6d0c0be019d99c4bd15383a7c05b903c5c5c","target":"record","created_at":"2026-07-05T00:56:29Z","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":"aeb5ff1d0d3b0bad04c52653dfa8c06c3e6ee2c28846b1dad87b3cfe5822384e","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2019-08-16T21:24:32Z","title_canon_sha256":"25e0ddcd7d29d600eea023b218cb4e64b17f358708eb4bcadb2ea0239ae1ee29"},"schema_version":"1.0","source":{"id":"1908.06182","kind":"arxiv","version":3}},"canonical_sha256":"c9dfaa99959d21692ea7de602764a5a10a0804f445b252ecbdce29e2f1e58f48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9dfaa99959d21692ea7de602764a5a10a0804f445b252ecbdce29e2f1e58f48","first_computed_at":"2026-07-05T00:56:29.887055Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:56:29.887055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sBKysWIMeTSVzghbZRkSCwhPGd3iWLv7GA3LvhZAPFtJrQxLTBA2T9YusP77LnHkon4yfvIvF3r6S1vQWMQ/Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:56:29.887454Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.06182","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:efc9541a75e4e863974ccbd9a3ee6d0c0be019d99c4bd15383a7c05b903c5c5c","sha256:74a2250f16eb47c17bbdb37ee32fd3a70cfa5f0b15a3aaff6c6d878e65150160"],"state_sha256":"10614e92eaa1b8607191f9311a13d5b1a592e3a72ebedae267e5de1631ade647"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3PqbuYIlWFeZPoFlEqn2ahOkn1fAM2UXzCT0SYHHGNwpLhK9JqIzWZOxFdkVDvnGtVUoMX1X8w6Ta3dKtsNVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T04:08:12.467031Z","bundle_sha256":"0aff823935d32979043dbacde010a177b7a9c4a1f1068271b3ea1c1ff502d92f"}}