{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:4KWNN5K7R4J5O43CJLOWJZJP7H","short_pith_number":"pith:4KWNN5K7","canonical_record":{"source":{"id":"2007.05879","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-12T00:38:51Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"be1bbc39b3e1e54b891388a5587e54735287dd4fb7e52d42a2cb5449f484a45b","abstract_canon_sha256":"52a71f11228ebe2ec4a7b86243b71e67e77316cae1c6789af0f2ccec095bead4"},"schema_version":"1.0"},"canonical_sha256":"e2acd6f55f8f13d773624add64e52ff9cae21a2a066c5c2d16363b1ebf1cac62","source":{"kind":"arxiv","id":"2007.05879","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.05879","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"2007.05879v1","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.05879","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"4KWNN5K7R4J5","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"pith_short_16","alias_value":"4KWNN5K7R4J5O43C","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"pith_short_8","alias_value":"4KWNN5K7","created_at":"2026-07-05T01:18:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:4KWNN5K7R4J5O43CJLOWJZJP7H","target":"record","payload":{"canonical_record":{"source":{"id":"2007.05879","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-12T00:38:51Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"be1bbc39b3e1e54b891388a5587e54735287dd4fb7e52d42a2cb5449f484a45b","abstract_canon_sha256":"52a71f11228ebe2ec4a7b86243b71e67e77316cae1c6789af0f2ccec095bead4"},"schema_version":"1.0"},"canonical_sha256":"e2acd6f55f8f13d773624add64e52ff9cae21a2a066c5c2d16363b1ebf1cac62","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:18:07.540969Z","signature_b64":"1zyJjTKRCOJEuu3soRpDQmSNCfKwPWEPatEpu3k5LHw2gy9/wjafFI4MtCuqZaB+9IS5mYFuKdhCknrh0NjUDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2acd6f55f8f13d773624add64e52ff9cae21a2a066c5c2d16363b1ebf1cac62","last_reissued_at":"2026-07-05T01:18:07.540568Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:18:07.540568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.05879","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":"2026-07-05T01:18:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hzRV76jMqK0cfCz7OeFAaTpct0LlL70g6t4eurEGIQDIWUPwmrSvurZPJkjzVIbxGZ822TIsaPU01nTDAyxiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T05:51:08.135010Z"},"content_sha256":"44e096a03a9d3eaa78a20faa91b401d8097c129e1574fa38b8d48c4a1b6587b9","schema_version":"1.0","event_id":"sha256:44e096a03a9d3eaa78a20faa91b401d8097c129e1574fa38b8d48c4a1b6587b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:4KWNN5K7R4J5O43CJLOWJZJP7H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On Improving Hotspot Detection Through Synthetic Pattern-Based Database Enhancement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ML"],"primary_cat":"cs.LG","authors_text":"Constantinos Xanthopoulos, Gaurav Rajavendra Reddy, Yiorgos Makris","submitted_at":"2020-07-12T00:38:51Z","abstract_excerpt":"Continuous technology scaling and the introduction of advanced technology nodes in Integrated Circuit (IC) fabrication is constantly exposing new manufacturability issues. One such issue, stemming from complex interaction between design and process, is the problem of design hotspots. Such hotspots are known to vary from design to design and, ideally, should be predicted early and corrected in the design stage itself, as opposed to relying on the foundry to develop process fixes for every hotspot, which would be intractable. In the past, various efforts have been made to address this issue by u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.05879","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/2007.05879/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":"2026-07-05T01:18:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ktz5JTYscHganHoyF3U9JnD0o3gB510+XPcXy4GH5cbhFAeuB20aSDs9mmPh2Ia4DsaYn63CvhJVwNTFvXreDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T05:51:08.135863Z"},"content_sha256":"e8cf5e6ce409ffb667d6687e2876bb324dbc0ddd25072fed06467142e00d531c","schema_version":"1.0","event_id":"sha256:e8cf5e6ce409ffb667d6687e2876bb324dbc0ddd25072fed06467142e00d531c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4KWNN5K7R4J5O43CJLOWJZJP7H/bundle.json","state_url":"https://pith.science/pith/4KWNN5K7R4J5O43CJLOWJZJP7H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4KWNN5K7R4J5O43CJLOWJZJP7H/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":"2026-08-19T05:51:08Z","links":{"resolver":"https://pith.science/pith/4KWNN5K7R4J5O43CJLOWJZJP7H","bundle":"https://pith.science/pith/4KWNN5K7R4J5O43CJLOWJZJP7H/bundle.json","state":"https://pith.science/pith/4KWNN5K7R4J5O43CJLOWJZJP7H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4KWNN5K7R4J5O43CJLOWJZJP7H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:4KWNN5K7R4J5O43CJLOWJZJP7H","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":"52a71f11228ebe2ec4a7b86243b71e67e77316cae1c6789af0f2ccec095bead4","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-12T00:38:51Z","title_canon_sha256":"be1bbc39b3e1e54b891388a5587e54735287dd4fb7e52d42a2cb5449f484a45b"},"schema_version":"1.0","source":{"id":"2007.05879","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.05879","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"2007.05879v1","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.05879","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"4KWNN5K7R4J5","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"pith_short_16","alias_value":"4KWNN5K7R4J5O43C","created_at":"2026-07-05T01:18:07Z"},{"alias_kind":"pith_short_8","alias_value":"4KWNN5K7","created_at":"2026-07-05T01:18:07Z"}],"graph_snapshots":[{"event_id":"sha256:e8cf5e6ce409ffb667d6687e2876bb324dbc0ddd25072fed06467142e00d531c","target":"graph","created_at":"2026-07-05T01:18:07Z","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/2007.05879/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Continuous technology scaling and the introduction of advanced technology nodes in Integrated Circuit (IC) fabrication is constantly exposing new manufacturability issues. One such issue, stemming from complex interaction between design and process, is the problem of design hotspots. Such hotspots are known to vary from design to design and, ideally, should be predicted early and corrected in the design stage itself, as opposed to relying on the foundry to develop process fixes for every hotspot, which would be intractable. In the past, various efforts have been made to address this issue by u","authors_text":"Constantinos Xanthopoulos, Gaurav Rajavendra Reddy, Yiorgos Makris","cross_cats":["stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-12T00:38:51Z","title":"On Improving Hotspot Detection Through Synthetic Pattern-Based Database Enhancement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.05879","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":"sha256:44e096a03a9d3eaa78a20faa91b401d8097c129e1574fa38b8d48c4a1b6587b9","target":"record","created_at":"2026-07-05T01:18:07Z","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":"52a71f11228ebe2ec4a7b86243b71e67e77316cae1c6789af0f2ccec095bead4","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2020-07-12T00:38:51Z","title_canon_sha256":"be1bbc39b3e1e54b891388a5587e54735287dd4fb7e52d42a2cb5449f484a45b"},"schema_version":"1.0","source":{"id":"2007.05879","kind":"arxiv","version":1}},"canonical_sha256":"e2acd6f55f8f13d773624add64e52ff9cae21a2a066c5c2d16363b1ebf1cac62","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2acd6f55f8f13d773624add64e52ff9cae21a2a066c5c2d16363b1ebf1cac62","first_computed_at":"2026-07-05T01:18:07.540568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:18:07.540568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1zyJjTKRCOJEuu3soRpDQmSNCfKwPWEPatEpu3k5LHw2gy9/wjafFI4MtCuqZaB+9IS5mYFuKdhCknrh0NjUDA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:18:07.540969Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.05879","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44e096a03a9d3eaa78a20faa91b401d8097c129e1574fa38b8d48c4a1b6587b9","sha256:e8cf5e6ce409ffb667d6687e2876bb324dbc0ddd25072fed06467142e00d531c"],"state_sha256":"8ee7611fc704b8e1d9534bb2a73c991d61cbe40002ec8778a888530f48cbeb8e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cVpePoijL388IYfSlkjr5aGfqeLRFJAclUCCD9jdPYuDW/MJeTF9o7p5GKQhud/eEL9z7XEsJqf6O3YsDm88Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T05:51:08.142820Z","bundle_sha256":"6cb92a98f20bdd9293bea4320e52e51bfbbdca58b08497a0bd1396437eac5114"}}