{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:NV46VZEUWAZ7FAPDG7ZCIMWIZM","short_pith_number":"pith:NV46VZEU","canonical_record":{"source":{"id":"2102.00112","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-29T23:56:16Z","cross_cats_sorted":[],"title_canon_sha256":"4d89fbd91f2d02b50aa86067488a89820f87c8c2214822847872e654305d61f2","abstract_canon_sha256":"0c09cde30901b1bf092255c0d5507fc124c5df48a43820b36271f596acb1d3b0"},"schema_version":"1.0"},"canonical_sha256":"6d79eae494b033f281e337f22432c8cb0be213163f4ef79bcb2fe27c142d1381","source":{"kind":"arxiv","id":"2102.00112","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.00112","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"arxiv_version","alias_value":"2102.00112v1","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.00112","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"pith_short_12","alias_value":"NV46VZEUWAZ7","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"pith_short_16","alias_value":"NV46VZEUWAZ7FAPD","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"pith_short_8","alias_value":"NV46VZEU","created_at":"2026-07-05T02:48:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:NV46VZEUWAZ7FAPDG7ZCIMWIZM","target":"record","payload":{"canonical_record":{"source":{"id":"2102.00112","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-29T23:56:16Z","cross_cats_sorted":[],"title_canon_sha256":"4d89fbd91f2d02b50aa86067488a89820f87c8c2214822847872e654305d61f2","abstract_canon_sha256":"0c09cde30901b1bf092255c0d5507fc124c5df48a43820b36271f596acb1d3b0"},"schema_version":"1.0"},"canonical_sha256":"6d79eae494b033f281e337f22432c8cb0be213163f4ef79bcb2fe27c142d1381","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:48:20.877469Z","signature_b64":"+nUyJcHnCdpNSRr4lWLqgM+4Uz9QvgvZrx9gwuUA+HIozU8hlFr6ffpvLWNw0EAz6U/Gv7Es7FXQtQV3FD8tAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d79eae494b033f281e337f22432c8cb0be213163f4ef79bcb2fe27c142d1381","last_reissued_at":"2026-07-05T02:48:20.877115Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:48:20.877115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.00112","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":"2026-07-05T02:48:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"00+s4ISz31SREhF/9t5Yt1XlzdnqWVnQTKcHqr0EKmCQYUjpUGyF5XajpMhO5ES/ExLqKZ95NM6WGSNnyLneCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T02:45:19.461672Z"},"content_sha256":"a4555d7868da3831e1da737392074be340a9d4b6553768cd66f3992455e36dbf","schema_version":"1.0","event_id":"sha256:a4555d7868da3831e1da737392074be340a9d4b6553768cd66f3992455e36dbf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:NV46VZEUWAZ7FAPDG7ZCIMWIZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutron-Induced, Single-Event Effects on Neuromorphic Event-based Vision Sensor: A First Step Towards Space Applications","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Alan D. George, Bernab\\'e Linares-Barranco, Himanshu Akolkar, Ryad Benosman, Seth Roffe","submitted_at":"2021-01-29T23:56:16Z","abstract_excerpt":"This paper studies the suitability of neuromorphic event-based vision cameras for spaceflight, and the effects of neutron radiation on their performance. Neuromorphic event-based vision cameras are novel sensors that implement asynchronous, clockless data acquisition, providing information about the change in illuminance greater than 120dB with sub-millisecond temporal precision. These sensors have huge potential for space applications as they provide an extremely sparse representation of visual dynamics while removing redundant information, thereby conforming to low-resource requirements. An "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.00112","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/2102.00112/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":"2026-07-05T02:48:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/VYG9eI5ndAiOUtkZ2ulcOZiIrCWIX56emi5jmsnKYxDCeui4PoPQwL5ncE7cpK3OBt+m8P3R/lsXQLeLV1iDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-27T02:45:19.462049Z"},"content_sha256":"476da9fb6d23e8eceef31a4959d4c1a8f58b5371d08b49761d3b7cdc5a0df78b","schema_version":"1.0","event_id":"sha256:476da9fb6d23e8eceef31a4959d4c1a8f58b5371d08b49761d3b7cdc5a0df78b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NV46VZEUWAZ7FAPDG7ZCIMWIZM/bundle.json","state_url":"https://pith.science/pith/NV46VZEUWAZ7FAPDG7ZCIMWIZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NV46VZEUWAZ7FAPDG7ZCIMWIZM/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":"2026-07-27T02:45:19Z","links":{"resolver":"https://pith.science/pith/NV46VZEUWAZ7FAPDG7ZCIMWIZM","bundle":"https://pith.science/pith/NV46VZEUWAZ7FAPDG7ZCIMWIZM/bundle.json","state":"https://pith.science/pith/NV46VZEUWAZ7FAPDG7ZCIMWIZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NV46VZEUWAZ7FAPDG7ZCIMWIZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:NV46VZEUWAZ7FAPDG7ZCIMWIZM","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":"0c09cde30901b1bf092255c0d5507fc124c5df48a43820b36271f596acb1d3b0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-29T23:56:16Z","title_canon_sha256":"4d89fbd91f2d02b50aa86067488a89820f87c8c2214822847872e654305d61f2"},"schema_version":"1.0","source":{"id":"2102.00112","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.00112","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"arxiv_version","alias_value":"2102.00112v1","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.00112","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"pith_short_12","alias_value":"NV46VZEUWAZ7","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"pith_short_16","alias_value":"NV46VZEUWAZ7FAPD","created_at":"2026-07-05T02:48:20Z"},{"alias_kind":"pith_short_8","alias_value":"NV46VZEU","created_at":"2026-07-05T02:48:20Z"}],"graph_snapshots":[{"event_id":"sha256:476da9fb6d23e8eceef31a4959d4c1a8f58b5371d08b49761d3b7cdc5a0df78b","target":"graph","created_at":"2026-07-05T02:48:20Z","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/2102.00112/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper studies the suitability of neuromorphic event-based vision cameras for spaceflight, and the effects of neutron radiation on their performance. Neuromorphic event-based vision cameras are novel sensors that implement asynchronous, clockless data acquisition, providing information about the change in illuminance greater than 120dB with sub-millisecond temporal precision. These sensors have huge potential for space applications as they provide an extremely sparse representation of visual dynamics while removing redundant information, thereby conforming to low-resource requirements. An ","authors_text":"Alan D. George, Bernab\\'e Linares-Barranco, Himanshu Akolkar, Ryad Benosman, Seth Roffe","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-29T23:56:16Z","title":"Neutron-Induced, Single-Event Effects on Neuromorphic Event-based Vision Sensor: A First Step Towards Space Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.00112","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:a4555d7868da3831e1da737392074be340a9d4b6553768cd66f3992455e36dbf","target":"record","created_at":"2026-07-05T02:48:20Z","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":"0c09cde30901b1bf092255c0d5507fc124c5df48a43820b36271f596acb1d3b0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2021-01-29T23:56:16Z","title_canon_sha256":"4d89fbd91f2d02b50aa86067488a89820f87c8c2214822847872e654305d61f2"},"schema_version":"1.0","source":{"id":"2102.00112","kind":"arxiv","version":1}},"canonical_sha256":"6d79eae494b033f281e337f22432c8cb0be213163f4ef79bcb2fe27c142d1381","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d79eae494b033f281e337f22432c8cb0be213163f4ef79bcb2fe27c142d1381","first_computed_at":"2026-07-05T02:48:20.877115Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:48:20.877115Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+nUyJcHnCdpNSRr4lWLqgM+4Uz9QvgvZrx9gwuUA+HIozU8hlFr6ffpvLWNw0EAz6U/Gv7Es7FXQtQV3FD8tAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:48:20.877469Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.00112","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4555d7868da3831e1da737392074be340a9d4b6553768cd66f3992455e36dbf","sha256:476da9fb6d23e8eceef31a4959d4c1a8f58b5371d08b49761d3b7cdc5a0df78b"],"state_sha256":"1ff11280d7277923980d16e9054c6654739f1d8a188d3e7c074581d0a159b1ea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SzrknMrE24aCp4RYhUqefpNRx+Affnba4iw+EGkZ/oj7XVaefEx/Hf7m7iT/S4XkHfaehJgiOq1TLYLn7vv3CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-27T02:45:19.464732Z","bundle_sha256":"3b20d0d99ddd36e67174a365f271eb1fd7c7b50c9ea020e6d6359dcf4e408e9b"}}