{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:HCZX4IUQ4STT3YGRQ4IL7Y7LQV","short_pith_number":"pith:HCZX4IUQ","canonical_record":{"source":{"id":"1406.4211","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2014-06-17T01:34:22Z","cross_cats_sorted":[],"title_canon_sha256":"1ef54113c75a0a6862bf629303b71fc61c9a0631d899f9671c8ba8dd65f477a2","abstract_canon_sha256":"fe36e3ce2315b6be33dba12d3af3b925864b6813138b6e4e2e3f43ca1380f4ec"},"schema_version":"1.0"},"canonical_sha256":"38b37e2290e4a73de0d18710bfe3eb85688639adfffdb97084b295f81eb71d85","source":{"kind":"arxiv","id":"1406.4211","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4211","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4211v1","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4211","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"HCZX4IUQ4STT","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HCZX4IUQ4STT3YGR","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HCZX4IUQ","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:HCZX4IUQ4STT3YGRQ4IL7Y7LQV","target":"record","payload":{"canonical_record":{"source":{"id":"1406.4211","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2014-06-17T01:34:22Z","cross_cats_sorted":[],"title_canon_sha256":"1ef54113c75a0a6862bf629303b71fc61c9a0631d899f9671c8ba8dd65f477a2","abstract_canon_sha256":"fe36e3ce2315b6be33dba12d3af3b925864b6813138b6e4e2e3f43ca1380f4ec"},"schema_version":"1.0"},"canonical_sha256":"38b37e2290e4a73de0d18710bfe3eb85688639adfffdb97084b295f81eb71d85","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:38.157632Z","signature_b64":"u9OuZO6NhR4rrCqdaZAoGNQWvrmAnsi/Fp/hDWzs1AxeIXRa9PDWXRVr0JVy2GQcT0zGMaX0IkisgwmtE7W3DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38b37e2290e4a73de0d18710bfe3eb85688639adfffdb97084b295f81eb71d85","last_reissued_at":"2026-05-18T02:49:38.157113Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:38.157113Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.4211","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":"2026-05-18T02:49:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vejpGLmeBYNTarO0tsg9HwRG8ldNwD+G9liyE3SQDj6KvH7zGo9JFnjH9A7HMCdOLRJ6P8nYOFU4SVkZKTJSAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:22:30.101479Z"},"content_sha256":"50c05e4b0521ddeba99f6e63bff54843787019b56faa507ade874b3bb1e0c3ee","schema_version":"1.0","event_id":"sha256:50c05e4b0521ddeba99f6e63bff54843787019b56faa507ade874b3bb1e0c3ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:HCZX4IUQ4STT3YGRQ4IL7Y7LQV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mapping the Economic Crisis: Some Preliminary Investigations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Pierre Bourreau, Thierry Poibeau","submitted_at":"2014-06-17T01:34:22Z","abstract_excerpt":"In this paper we describe our contribution to the PoliInformatics 2014 Challenge on the 2007-2008 financial crisis. We propose a state of the art technique to extract information from texts and provide different representations, giving first a static overview of the domain and then a dynamic representation of its main evolutions. We show that this strategy provides a practical solution to some recent theories in social sciences that are facing a lack of methods and tools to automatically extract information from natural language texts."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4211","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":"2026-05-18T02:49:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+jWpyXYd4uYW3u7ijsucoVp5itd48OExSp9ivBNXrR2n/6kvTVL94MTd7QdI91iFLPYc0DzfUpnARbSwO2XiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:22:30.102213Z"},"content_sha256":"ee2357e2b572c5f891d03aaf7752b53a3d10005ddaa8f61be76d7ebf0f835974","schema_version":"1.0","event_id":"sha256:ee2357e2b572c5f891d03aaf7752b53a3d10005ddaa8f61be76d7ebf0f835974"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HCZX4IUQ4STT3YGRQ4IL7Y7LQV/bundle.json","state_url":"https://pith.science/pith/HCZX4IUQ4STT3YGRQ4IL7Y7LQV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HCZX4IUQ4STT3YGRQ4IL7Y7LQV/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":"2026-05-31T19:22:30Z","links":{"resolver":"https://pith.science/pith/HCZX4IUQ4STT3YGRQ4IL7Y7LQV","bundle":"https://pith.science/pith/HCZX4IUQ4STT3YGRQ4IL7Y7LQV/bundle.json","state":"https://pith.science/pith/HCZX4IUQ4STT3YGRQ4IL7Y7LQV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HCZX4IUQ4STT3YGRQ4IL7Y7LQV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:HCZX4IUQ4STT3YGRQ4IL7Y7LQV","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":"fe36e3ce2315b6be33dba12d3af3b925864b6813138b6e4e2e3f43ca1380f4ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2014-06-17T01:34:22Z","title_canon_sha256":"1ef54113c75a0a6862bf629303b71fc61c9a0631d899f9671c8ba8dd65f477a2"},"schema_version":"1.0","source":{"id":"1406.4211","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.4211","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"arxiv_version","alias_value":"1406.4211v1","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.4211","created_at":"2026-05-18T02:49:38Z"},{"alias_kind":"pith_short_12","alias_value":"HCZX4IUQ4STT","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HCZX4IUQ4STT3YGR","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HCZX4IUQ","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:ee2357e2b572c5f891d03aaf7752b53a3d10005ddaa8f61be76d7ebf0f835974","target":"graph","created_at":"2026-05-18T02:49:38Z","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":"In this paper we describe our contribution to the PoliInformatics 2014 Challenge on the 2007-2008 financial crisis. We propose a state of the art technique to extract information from texts and provide different representations, giving first a static overview of the domain and then a dynamic representation of its main evolutions. We show that this strategy provides a practical solution to some recent theories in social sciences that are facing a lack of methods and tools to automatically extract information from natural language texts.","authors_text":"Pierre Bourreau, Thierry Poibeau","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2014-06-17T01:34:22Z","title":"Mapping the Economic Crisis: Some Preliminary Investigations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.4211","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":"sha256:50c05e4b0521ddeba99f6e63bff54843787019b56faa507ade874b3bb1e0c3ee","target":"record","created_at":"2026-05-18T02:49:38Z","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":"fe36e3ce2315b6be33dba12d3af3b925864b6813138b6e4e2e3f43ca1380f4ec","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2014-06-17T01:34:22Z","title_canon_sha256":"1ef54113c75a0a6862bf629303b71fc61c9a0631d899f9671c8ba8dd65f477a2"},"schema_version":"1.0","source":{"id":"1406.4211","kind":"arxiv","version":1}},"canonical_sha256":"38b37e2290e4a73de0d18710bfe3eb85688639adfffdb97084b295f81eb71d85","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38b37e2290e4a73de0d18710bfe3eb85688639adfffdb97084b295f81eb71d85","first_computed_at":"2026-05-18T02:49:38.157113Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:49:38.157113Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u9OuZO6NhR4rrCqdaZAoGNQWvrmAnsi/Fp/hDWzs1AxeIXRa9PDWXRVr0JVy2GQcT0zGMaX0IkisgwmtE7W3DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:49:38.157632Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.4211","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50c05e4b0521ddeba99f6e63bff54843787019b56faa507ade874b3bb1e0c3ee","sha256:ee2357e2b572c5f891d03aaf7752b53a3d10005ddaa8f61be76d7ebf0f835974"],"state_sha256":"a3cc51562e2ab9e8f5e4aba5b74806ecceb514ca2de942d1c5f480a61647e732"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z46Amv5NtzsulNDqziqio/HaGEXEEk/3IBXrkHcNggBincYbMdCzl86U5ix4wSk4l8Tpb5le77Rg/DHlc41UBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T19:22:30.106263Z","bundle_sha256":"8c3b0cd5663b793c7252abd632970b288ed6e7f8acc2109beec5f7dcd6d0b451"}}