{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:I7PVK6EKFNQMLYCLX27O4MKVDS","short_pith_number":"pith:I7PVK6EK","canonical_record":{"source":{"id":"1511.05436","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-15T23:55:17Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"a50b2414e3fd3de34318413930225574e35de3a95f00556936ebaa390224862e","abstract_canon_sha256":"9c5a5f008f60ced11f5a8060fa30f42f353dd8e956cd70941723e2016f7adbfa"},"schema_version":"1.0"},"canonical_sha256":"47df55788a2b60c5e04bbebeee31551cb7c1119bdc0aa4da7fa82754a9091d01","source":{"kind":"arxiv","id":"1511.05436","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.05436","created_at":"2026-05-18T01:18:41Z"},{"alias_kind":"arxiv_version","alias_value":"1511.05436v2","created_at":"2026-05-18T01:18:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05436","created_at":"2026-05-18T01:18:41Z"},{"alias_kind":"pith_short_12","alias_value":"I7PVK6EKFNQM","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"I7PVK6EKFNQMLYCL","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"I7PVK6EK","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:I7PVK6EKFNQMLYCLX27O4MKVDS","target":"record","payload":{"canonical_record":{"source":{"id":"1511.05436","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-15T23:55:17Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"a50b2414e3fd3de34318413930225574e35de3a95f00556936ebaa390224862e","abstract_canon_sha256":"9c5a5f008f60ced11f5a8060fa30f42f353dd8e956cd70941723e2016f7adbfa"},"schema_version":"1.0"},"canonical_sha256":"47df55788a2b60c5e04bbebeee31551cb7c1119bdc0aa4da7fa82754a9091d01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:41.431352Z","signature_b64":"yZmL3Rm/QZ9YBHj+6PKMDKu1VM6PQ5Mvbt5JTs10WRhXcBVQEci/ppiM0AuaZXGeQX7ePYyTPnFqCKHZ323vBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47df55788a2b60c5e04bbebeee31551cb7c1119bdc0aa4da7fa82754a9091d01","last_reissued_at":"2026-05-18T01:18:41.430776Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:41.430776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.05436","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":"2026-05-18T01:18:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mSr8bS7YEeAQVeQRHVUz3QMVengbUMdp8yh0uEf9nLGeLWL+u0/hecC9r8W0rrMM8f/I7QDGX17KzgwadpcWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T03:42:52.233536Z"},"content_sha256":"c2281eaadc2c202b3fcb0a1762600ef0ed92083fc59e6c84275bf80b1492d2bc","schema_version":"1.0","event_id":"sha256:c2281eaadc2c202b3fcb0a1762600ef0ed92083fc59e6c84275bf80b1492d2bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:I7PVK6EKFNQMLYCLX27O4MKVDS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polyurethane spray coating of aluminum wire bonds to prevent corrosion and suppress resonant oscillations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Joseph M. Izen, Matthew Kurth, Rusty Boyd","submitted_at":"2015-11-15T23:55:17Z","abstract_excerpt":"Unencapsulated aluminum wedge wire bonds are common in particle physics pixel and strip detectors. Industry-favored bulk encapsulation is eschewed due to the range of operating temperatures and radiation. Wire bond failures are a persistent source of tracking-detector failure. Unencapsulated bonds are vulnerable to condensation-induced corrosion, particularly when halides are present. Oscillations from periodic Lorentz forces are documented as another source of wire bond failure. Spray application of polyurethane coatings, performance of polyurethane-coated wire bonds after climate chamber exp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05436","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":"2026-05-18T01:18:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gF3CMYbUvW4dv5PvgIEfU1coyLEVtQDMJJQcYDKTNgBPDSK39BrrOQwgYaoMRquUxAsae/WfJ1RQmwmyYcY0AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T03:42:52.233994Z"},"content_sha256":"2d61801ced5fbfd90420779317bf6ad111713f8040be86c55978de03dfdc15fc","schema_version":"1.0","event_id":"sha256:2d61801ced5fbfd90420779317bf6ad111713f8040be86c55978de03dfdc15fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I7PVK6EKFNQMLYCLX27O4MKVDS/bundle.json","state_url":"https://pith.science/pith/I7PVK6EKFNQMLYCLX27O4MKVDS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I7PVK6EKFNQMLYCLX27O4MKVDS/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":"2026-08-16T03:42:52Z","links":{"resolver":"https://pith.science/pith/I7PVK6EKFNQMLYCLX27O4MKVDS","bundle":"https://pith.science/pith/I7PVK6EKFNQMLYCLX27O4MKVDS/bundle.json","state":"https://pith.science/pith/I7PVK6EKFNQMLYCLX27O4MKVDS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I7PVK6EKFNQMLYCLX27O4MKVDS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:I7PVK6EKFNQMLYCLX27O4MKVDS","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":"9c5a5f008f60ced11f5a8060fa30f42f353dd8e956cd70941723e2016f7adbfa","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-15T23:55:17Z","title_canon_sha256":"a50b2414e3fd3de34318413930225574e35de3a95f00556936ebaa390224862e"},"schema_version":"1.0","source":{"id":"1511.05436","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.05436","created_at":"2026-05-18T01:18:41Z"},{"alias_kind":"arxiv_version","alias_value":"1511.05436v2","created_at":"2026-05-18T01:18:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.05436","created_at":"2026-05-18T01:18:41Z"},{"alias_kind":"pith_short_12","alias_value":"I7PVK6EKFNQM","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"I7PVK6EKFNQMLYCL","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"I7PVK6EK","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:2d61801ced5fbfd90420779317bf6ad111713f8040be86c55978de03dfdc15fc","target":"graph","created_at":"2026-05-18T01:18:41Z","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":"Unencapsulated aluminum wedge wire bonds are common in particle physics pixel and strip detectors. Industry-favored bulk encapsulation is eschewed due to the range of operating temperatures and radiation. Wire bond failures are a persistent source of tracking-detector failure. Unencapsulated bonds are vulnerable to condensation-induced corrosion, particularly when halides are present. Oscillations from periodic Lorentz forces are documented as another source of wire bond failure. Spray application of polyurethane coatings, performance of polyurethane-coated wire bonds after climate chamber exp","authors_text":"Joseph M. Izen, Matthew Kurth, Rusty Boyd","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-15T23:55:17Z","title":"Polyurethane spray coating of aluminum wire bonds to prevent corrosion and suppress resonant oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.05436","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:c2281eaadc2c202b3fcb0a1762600ef0ed92083fc59e6c84275bf80b1492d2bc","target":"record","created_at":"2026-05-18T01:18:41Z","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":"9c5a5f008f60ced11f5a8060fa30f42f353dd8e956cd70941723e2016f7adbfa","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-15T23:55:17Z","title_canon_sha256":"a50b2414e3fd3de34318413930225574e35de3a95f00556936ebaa390224862e"},"schema_version":"1.0","source":{"id":"1511.05436","kind":"arxiv","version":2}},"canonical_sha256":"47df55788a2b60c5e04bbebeee31551cb7c1119bdc0aa4da7fa82754a9091d01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47df55788a2b60c5e04bbebeee31551cb7c1119bdc0aa4da7fa82754a9091d01","first_computed_at":"2026-05-18T01:18:41.430776Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:41.430776Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yZmL3Rm/QZ9YBHj+6PKMDKu1VM6PQ5Mvbt5JTs10WRhXcBVQEci/ppiM0AuaZXGeQX7ePYyTPnFqCKHZ323vBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:41.431352Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.05436","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2281eaadc2c202b3fcb0a1762600ef0ed92083fc59e6c84275bf80b1492d2bc","sha256:2d61801ced5fbfd90420779317bf6ad111713f8040be86c55978de03dfdc15fc"],"state_sha256":"5cf6543fa6d8ccc878b6d0f569cab7947d7554bc38e2b7237c2938c1942eeaa3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E2tBPQEDAET+oqfQbIRpwpoP9mKAX6GxNVS+DDEDzLPNOgnVa+Dffo9o9Y58xg/PuUKPbcjLHos8bykpvXy+DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T03:42:52.237933Z","bundle_sha256":"51488030c75daae347f08af9f3de0bf7db7427d04543c77c90a04a95ac54a686"}}