{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:4BQCUMGF6D34SRDNMDVXYSCOZM","short_pith_number":"pith:4BQCUMGF","canonical_record":{"source":{"id":"1012.1645","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2010-12-07T23:52:54Z","cross_cats_sorted":[],"title_canon_sha256":"c6eae5bad991f75e5b26e5b396ab6be0d3429170072431da02b8b403a06632d4","abstract_canon_sha256":"9128b513ed848745392003c1798d1ba5c6cd4af69afed7ac2e64165b1482b91d"},"schema_version":"1.0"},"canonical_sha256":"e0602a30c5f0f7c9446d60eb7c484ecb3fa24d7f4bf74e41adbd74a94de30bf8","source":{"kind":"arxiv","id":"1012.1645","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.1645","created_at":"2026-05-18T04:33:51Z"},{"alias_kind":"arxiv_version","alias_value":"1012.1645v1","created_at":"2026-05-18T04:33:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.1645","created_at":"2026-05-18T04:33:51Z"},{"alias_kind":"pith_short_12","alias_value":"4BQCUMGF6D34","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4BQCUMGF6D34SRDN","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4BQCUMGF","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:4BQCUMGF6D34SRDNMDVXYSCOZM","target":"record","payload":{"canonical_record":{"source":{"id":"1012.1645","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2010-12-07T23:52:54Z","cross_cats_sorted":[],"title_canon_sha256":"c6eae5bad991f75e5b26e5b396ab6be0d3429170072431da02b8b403a06632d4","abstract_canon_sha256":"9128b513ed848745392003c1798d1ba5c6cd4af69afed7ac2e64165b1482b91d"},"schema_version":"1.0"},"canonical_sha256":"e0602a30c5f0f7c9446d60eb7c484ecb3fa24d7f4bf74e41adbd74a94de30bf8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:51.590514Z","signature_b64":"7u3Agn/BGhF2VL8fD+z+WN05m0MpksUL8Mr5iV6dGEqSoX3fPf3q1uquQz7tWjp4zqSHQTkyeuSXBiBgrhipBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0602a30c5f0f7c9446d60eb7c484ecb3fa24d7f4bf74e41adbd74a94de30bf8","last_reissued_at":"2026-05-18T04:33:51.589839Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:51.589839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1012.1645","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":"2026-05-18T04:33:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XWhpA06PR/a3dUEJ3P1bjVBvF7KJQQNvxr0agWwL2mkbboH9VotqDh722/DtFU19unrgdTt+bL8l7NnzR4yfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T10:05:47.155626Z"},"content_sha256":"76973d9056ccd16b12c489233638a5f7d2e152978176abc68ae45aa1a9fe0219","schema_version":"1.0","event_id":"sha256:76973d9056ccd16b12c489233638a5f7d2e152978176abc68ae45aa1a9fe0219"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:4BQCUMGF6D34SRDNMDVXYSCOZM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ChemCloud: Chemical e-Science Information Cloud","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Adrian Paschke, Alexandru Todor, Stephan Heineke","submitted_at":"2010-12-07T23:52:54Z","abstract_excerpt":"Our Chemical e-Science Information Cloud (ChemCloud) - a Semantic Web based eScience infrastructure - integrates and automates a multitude of databases, tools and services in the domain of chemistry, pharmacy and bio-chemistry available at the Fachinformationszentrum Chemie (FIZ Chemie), at the Freie Universitaet Berlin (FUB), and on the public Web. Based on the approach of the W3C Linked Open Data initiative and the W3C Semantic Web technologies for ontologies and rules it semantically links and integrates knowledge from our W3C HCLS knowledge base hosted at the FUB, our multi-domain knowledg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.1645","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":"2026-05-18T04:33:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rb2YglI7rFsMejboSvj3StIrzHZi9KHrgeML2zjJeEC8qR7QT7ImSWCyu3KYXfLI9efIo4O7i/k7ttdwV3Q2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T10:05:47.155968Z"},"content_sha256":"b1eb2d8dc51a639a20cc14c1b49de9bf7bb68b140aa7486a69e3ce67b5bf59df","schema_version":"1.0","event_id":"sha256:b1eb2d8dc51a639a20cc14c1b49de9bf7bb68b140aa7486a69e3ce67b5bf59df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4BQCUMGF6D34SRDNMDVXYSCOZM/bundle.json","state_url":"https://pith.science/pith/4BQCUMGF6D34SRDNMDVXYSCOZM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4BQCUMGF6D34SRDNMDVXYSCOZM/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":"2026-07-02T10:05:47Z","links":{"resolver":"https://pith.science/pith/4BQCUMGF6D34SRDNMDVXYSCOZM","bundle":"https://pith.science/pith/4BQCUMGF6D34SRDNMDVXYSCOZM/bundle.json","state":"https://pith.science/pith/4BQCUMGF6D34SRDNMDVXYSCOZM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4BQCUMGF6D34SRDNMDVXYSCOZM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:4BQCUMGF6D34SRDNMDVXYSCOZM","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":"9128b513ed848745392003c1798d1ba5c6cd4af69afed7ac2e64165b1482b91d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2010-12-07T23:52:54Z","title_canon_sha256":"c6eae5bad991f75e5b26e5b396ab6be0d3429170072431da02b8b403a06632d4"},"schema_version":"1.0","source":{"id":"1012.1645","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.1645","created_at":"2026-05-18T04:33:51Z"},{"alias_kind":"arxiv_version","alias_value":"1012.1645v1","created_at":"2026-05-18T04:33:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.1645","created_at":"2026-05-18T04:33:51Z"},{"alias_kind":"pith_short_12","alias_value":"4BQCUMGF6D34","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4BQCUMGF6D34SRDN","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4BQCUMGF","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:b1eb2d8dc51a639a20cc14c1b49de9bf7bb68b140aa7486a69e3ce67b5bf59df","target":"graph","created_at":"2026-05-18T04:33:51Z","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":"Our Chemical e-Science Information Cloud (ChemCloud) - a Semantic Web based eScience infrastructure - integrates and automates a multitude of databases, tools and services in the domain of chemistry, pharmacy and bio-chemistry available at the Fachinformationszentrum Chemie (FIZ Chemie), at the Freie Universitaet Berlin (FUB), and on the public Web. Based on the approach of the W3C Linked Open Data initiative and the W3C Semantic Web technologies for ontologies and rules it semantically links and integrates knowledge from our W3C HCLS knowledge base hosted at the FUB, our multi-domain knowledg","authors_text":"Adrian Paschke, Alexandru Todor, Stephan Heineke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2010-12-07T23:52:54Z","title":"ChemCloud: Chemical e-Science Information Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.1645","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":"sha256:76973d9056ccd16b12c489233638a5f7d2e152978176abc68ae45aa1a9fe0219","target":"record","created_at":"2026-05-18T04:33:51Z","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":"9128b513ed848745392003c1798d1ba5c6cd4af69afed7ac2e64165b1482b91d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2010-12-07T23:52:54Z","title_canon_sha256":"c6eae5bad991f75e5b26e5b396ab6be0d3429170072431da02b8b403a06632d4"},"schema_version":"1.0","source":{"id":"1012.1645","kind":"arxiv","version":1}},"canonical_sha256":"e0602a30c5f0f7c9446d60eb7c484ecb3fa24d7f4bf74e41adbd74a94de30bf8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0602a30c5f0f7c9446d60eb7c484ecb3fa24d7f4bf74e41adbd74a94de30bf8","first_computed_at":"2026-05-18T04:33:51.589839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:51.589839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7u3Agn/BGhF2VL8fD+z+WN05m0MpksUL8Mr5iV6dGEqSoX3fPf3q1uquQz7tWjp4zqSHQTkyeuSXBiBgrhipBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:51.590514Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.1645","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76973d9056ccd16b12c489233638a5f7d2e152978176abc68ae45aa1a9fe0219","sha256:b1eb2d8dc51a639a20cc14c1b49de9bf7bb68b140aa7486a69e3ce67b5bf59df"],"state_sha256":"4e7ec3ac026212503a0f1c52ab9f9470e96c606a788504f86b630c5112ce0c58"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vRB/5DwuzM2HMNocRCTO3a4kb6ZZ0QUjwyBctuA0jVsgkhMrOx/zsGo4RFznDlD9Dnxcfir2u5uUZAtanYg5Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T10:05:47.157885Z","bundle_sha256":"9e978f91c0fe178f57544f742d987bc22d6f4f62934c6e8c44679348cf41a5af"}}