{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:7TOL37GVYHEBG72CA4K7L27VRZ","short_pith_number":"pith:7TOL37GV","canonical_record":{"source":{"id":"1106.3967","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-06-20T17:02:40Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"7181a9e49edf8410a9c5e06bb0b288577c12cb90ff76b570274b5ccdc0be2dd0","abstract_canon_sha256":"ea3232930c18bc1c218adb4d984e0786bf6cf8fd47af8720078b4bb7468d56fc"},"schema_version":"1.0"},"canonical_sha256":"fcdcbdfcd5c1c8137f420715f5ebf58e4999e78153632b686bd30c84d660b077","source":{"kind":"arxiv","id":"1106.3967","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.3967","created_at":"2026-05-18T04:02:37Z"},{"alias_kind":"arxiv_version","alias_value":"1106.3967v1","created_at":"2026-05-18T04:02:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3967","created_at":"2026-05-18T04:02:37Z"},{"alias_kind":"pith_short_12","alias_value":"7TOL37GVYHEB","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7TOL37GVYHEBG72C","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7TOL37GV","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:7TOL37GVYHEBG72CA4K7L27VRZ","target":"record","payload":{"canonical_record":{"source":{"id":"1106.3967","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-06-20T17:02:40Z","cross_cats_sorted":["cs.IR"],"title_canon_sha256":"7181a9e49edf8410a9c5e06bb0b288577c12cb90ff76b570274b5ccdc0be2dd0","abstract_canon_sha256":"ea3232930c18bc1c218adb4d984e0786bf6cf8fd47af8720078b4bb7468d56fc"},"schema_version":"1.0"},"canonical_sha256":"fcdcbdfcd5c1c8137f420715f5ebf58e4999e78153632b686bd30c84d660b077","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:37.526440Z","signature_b64":"J5pyKuMmcw0R9b8eBAAF89FO00s5W6fkTGWyT6Ccq97Js9P8G5e7BzgK0XpXjJd6WKlHFAMMiSAI/ByumsZxBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcdcbdfcd5c1c8137f420715f5ebf58e4999e78153632b686bd30c84d660b077","last_reissued_at":"2026-05-18T04:02:37.525879Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:37.525879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.3967","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":"2026-05-18T04:02:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qag6JSO3sTTHdvy/17toKnZMsyp+6GH87X7g99x85KbW3LyPgfnxj3FheescrRNySlMzgPB40FtSurpLDC/ECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T00:27:16.036612Z"},"content_sha256":"abbf65b18b72bf66b4ace812303f01eb181cfb85728a24ff61263318b0c41f82","schema_version":"1.0","event_id":"sha256:abbf65b18b72bf66b4ace812303f01eb181cfb85728a24ff61263318b0c41f82"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:7TOL37GVYHEBG72CA4K7L27VRZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intelligent Self-Repairable Web Wrappers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.IR"],"primary_cat":"cs.AI","authors_text":"Emilio Ferrara, Robert Baumgartner","submitted_at":"2011-06-20T17:02:40Z","abstract_excerpt":"The amount of information available on the Web grows at an incredible high rate. Systems and procedures devised to extract these data from Web sources already exist, and different approaches and techniques have been investigated during the last years. On the one hand, reliable solutions should provide robust algorithms of Web data mining which could automatically face possible malfunctioning or failures. On the other, in literature there is a lack of solutions about the maintenance of these systems. Procedures that extract Web data may be strictly interconnected with the structure of the data "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3967","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":""},"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":"2026-05-18T04:02:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lETgRXXCGY/yWtVD4e/3cKFlg6+5BpUimSF/zx+zDODxNzPIzuoB6VYRRuwdelpdQ8GNAgRQsoFAjqyx9XV/BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T00:27:16.036955Z"},"content_sha256":"3e49c7239e57919395c0990d899aff2b2237bd2fe45d075733a44a848bfc66ec","schema_version":"1.0","event_id":"sha256:3e49c7239e57919395c0990d899aff2b2237bd2fe45d075733a44a848bfc66ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7TOL37GVYHEBG72CA4K7L27VRZ/bundle.json","state_url":"https://pith.science/pith/7TOL37GVYHEBG72CA4K7L27VRZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7TOL37GVYHEBG72CA4K7L27VRZ/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":"2026-06-04T00:27:16Z","links":{"resolver":"https://pith.science/pith/7TOL37GVYHEBG72CA4K7L27VRZ","bundle":"https://pith.science/pith/7TOL37GVYHEBG72CA4K7L27VRZ/bundle.json","state":"https://pith.science/pith/7TOL37GVYHEBG72CA4K7L27VRZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7TOL37GVYHEBG72CA4K7L27VRZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:7TOL37GVYHEBG72CA4K7L27VRZ","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":"ea3232930c18bc1c218adb4d984e0786bf6cf8fd47af8720078b4bb7468d56fc","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-06-20T17:02:40Z","title_canon_sha256":"7181a9e49edf8410a9c5e06bb0b288577c12cb90ff76b570274b5ccdc0be2dd0"},"schema_version":"1.0","source":{"id":"1106.3967","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.3967","created_at":"2026-05-18T04:02:37Z"},{"alias_kind":"arxiv_version","alias_value":"1106.3967v1","created_at":"2026-05-18T04:02:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.3967","created_at":"2026-05-18T04:02:37Z"},{"alias_kind":"pith_short_12","alias_value":"7TOL37GVYHEB","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7TOL37GVYHEBG72C","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7TOL37GV","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:3e49c7239e57919395c0990d899aff2b2237bd2fe45d075733a44a848bfc66ec","target":"graph","created_at":"2026-05-18T04:02:37Z","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":"The amount of information available on the Web grows at an incredible high rate. Systems and procedures devised to extract these data from Web sources already exist, and different approaches and techniques have been investigated during the last years. On the one hand, reliable solutions should provide robust algorithms of Web data mining which could automatically face possible malfunctioning or failures. On the other, in literature there is a lack of solutions about the maintenance of these systems. Procedures that extract Web data may be strictly interconnected with the structure of the data ","authors_text":"Emilio Ferrara, Robert Baumgartner","cross_cats":["cs.IR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-06-20T17:02:40Z","title":"Intelligent Self-Repairable Web Wrappers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.3967","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:abbf65b18b72bf66b4ace812303f01eb181cfb85728a24ff61263318b0c41f82","target":"record","created_at":"2026-05-18T04:02:37Z","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":"ea3232930c18bc1c218adb4d984e0786bf6cf8fd47af8720078b4bb7468d56fc","cross_cats_sorted":["cs.IR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-06-20T17:02:40Z","title_canon_sha256":"7181a9e49edf8410a9c5e06bb0b288577c12cb90ff76b570274b5ccdc0be2dd0"},"schema_version":"1.0","source":{"id":"1106.3967","kind":"arxiv","version":1}},"canonical_sha256":"fcdcbdfcd5c1c8137f420715f5ebf58e4999e78153632b686bd30c84d660b077","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fcdcbdfcd5c1c8137f420715f5ebf58e4999e78153632b686bd30c84d660b077","first_computed_at":"2026-05-18T04:02:37.525879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:02:37.525879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J5pyKuMmcw0R9b8eBAAF89FO00s5W6fkTGWyT6Ccq97Js9P8G5e7BzgK0XpXjJd6WKlHFAMMiSAI/ByumsZxBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:02:37.526440Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.3967","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abbf65b18b72bf66b4ace812303f01eb181cfb85728a24ff61263318b0c41f82","sha256:3e49c7239e57919395c0990d899aff2b2237bd2fe45d075733a44a848bfc66ec"],"state_sha256":"531d7ca9bc2be78ef45f762714747e566b803de516da0a5268615eb8fe1d0cd1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dH0Nlee72p2prxcbhgp1iU2JZxCDmLOOcXm1Z/SZENABeiPaGYZqe+cPz0wp7eibhPlcHKjS2YulzScontNPBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T00:27:16.038897Z","bundle_sha256":"f0cf70c6d089c1734ba308230810d2d69bf96bb5275804af3d4ae81556f47c3e"}}