{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:43H4NQVPWFXHQQAZKZCV722EUI","short_pith_number":"pith:43H4NQVP","canonical_record":{"source":{"id":"1501.04123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2015-01-16T22:09:32Z","cross_cats_sorted":[],"title_canon_sha256":"4f0768faea697e97f4497c5f60136ae07b49d2a1ffbe5a8e394aaa2dc638edc7","abstract_canon_sha256":"cac581ae802ddce75904d40a82066bca112ff424447be223e3d97c642f761159"},"schema_version":"1.0"},"canonical_sha256":"e6cfc6c2afb16e78401956455feb44a20672e44115d83c4b70ae7bc0f881ad06","source":{"kind":"arxiv","id":"1501.04123","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.04123","created_at":"2026-05-18T02:29:10Z"},{"alias_kind":"arxiv_version","alias_value":"1501.04123v1","created_at":"2026-05-18T02:29:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.04123","created_at":"2026-05-18T02:29:10Z"},{"alias_kind":"pith_short_12","alias_value":"43H4NQVPWFXH","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"43H4NQVPWFXHQQAZ","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"43H4NQVP","created_at":"2026-05-18T12:29:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:43H4NQVPWFXHQQAZKZCV722EUI","target":"record","payload":{"canonical_record":{"source":{"id":"1501.04123","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2015-01-16T22:09:32Z","cross_cats_sorted":[],"title_canon_sha256":"4f0768faea697e97f4497c5f60136ae07b49d2a1ffbe5a8e394aaa2dc638edc7","abstract_canon_sha256":"cac581ae802ddce75904d40a82066bca112ff424447be223e3d97c642f761159"},"schema_version":"1.0"},"canonical_sha256":"e6cfc6c2afb16e78401956455feb44a20672e44115d83c4b70ae7bc0f881ad06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:10.004982Z","signature_b64":"WXBJ8KyBJhXDDIUDZT7pJBjoLQGKZo5csUvOtGyEuSWPgVrmZc9QFiJ0Awm6OIaNXcfgUKieTvlmqhRhWgwEBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6cfc6c2afb16e78401956455feb44a20672e44115d83c4b70ae7bc0f881ad06","last_reissued_at":"2026-05-18T02:29:10.004314Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:10.004314Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.04123","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":"2026-05-18T02:29:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E74TONogUUDLILnHinRSRbkqQahsrZ+kzN6GGHGOScVUxu1xj+gaX56e4SxYPHSOxnkfR1FxSJeXcBewigCvDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T19:51:34.619548Z"},"content_sha256":"df2e66dca75235a78526bc9bbbe54c1029fa606ea764d6b7e29644a20d28cd50","schema_version":"1.0","event_id":"sha256:df2e66dca75235a78526bc9bbbe54c1029fa606ea764d6b7e29644a20d28cd50"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:43H4NQVPWFXHQQAZKZCV722EUI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Data manipulation detection via permutation information theory quantifiers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-fin.ST","authors_text":"Aurelio Fernandez Bariviera, Lisana B. Martinez, M. Bel\\'en Guercio","submitted_at":"2015-01-16T22:09:32Z","abstract_excerpt":"Recent news cast doubts on London Interbank Offered Rate (LIBOR) integrity. Given its economic importance and the delay with which authorities realize about this situation, we aim to find an objective method in order to detect departures in the LIBOR rate that from the expected behavior. We analyze several interest rates time series and we detect an anomalous behavior in LIBOR, specially during the period of the financial crisis of 2008. Our findings could be consistent with data manipulation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.04123","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":"2026-05-18T02:29:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B/MDNAePki5tskrseY2a+xaTwf9E+JS8mOfa5/fGDxBZ8p4C+HaGp7WoZZeLwumv1/krW/YgI/Qyyoyy3qRBBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T19:51:34.620016Z"},"content_sha256":"ba9041bc4a1c4b4a2289da12a76d75f51d5bf9319ad41f3af9a2bef902acf004","schema_version":"1.0","event_id":"sha256:ba9041bc4a1c4b4a2289da12a76d75f51d5bf9319ad41f3af9a2bef902acf004"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/43H4NQVPWFXHQQAZKZCV722EUI/bundle.json","state_url":"https://pith.science/pith/43H4NQVPWFXHQQAZKZCV722EUI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/43H4NQVPWFXHQQAZKZCV722EUI/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":"2026-06-24T19:51:34Z","links":{"resolver":"https://pith.science/pith/43H4NQVPWFXHQQAZKZCV722EUI","bundle":"https://pith.science/pith/43H4NQVPWFXHQQAZKZCV722EUI/bundle.json","state":"https://pith.science/pith/43H4NQVPWFXHQQAZKZCV722EUI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/43H4NQVPWFXHQQAZKZCV722EUI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:43H4NQVPWFXHQQAZKZCV722EUI","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":"cac581ae802ddce75904d40a82066bca112ff424447be223e3d97c642f761159","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2015-01-16T22:09:32Z","title_canon_sha256":"4f0768faea697e97f4497c5f60136ae07b49d2a1ffbe5a8e394aaa2dc638edc7"},"schema_version":"1.0","source":{"id":"1501.04123","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.04123","created_at":"2026-05-18T02:29:10Z"},{"alias_kind":"arxiv_version","alias_value":"1501.04123v1","created_at":"2026-05-18T02:29:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.04123","created_at":"2026-05-18T02:29:10Z"},{"alias_kind":"pith_short_12","alias_value":"43H4NQVPWFXH","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_16","alias_value":"43H4NQVPWFXHQQAZ","created_at":"2026-05-18T12:29:02Z"},{"alias_kind":"pith_short_8","alias_value":"43H4NQVP","created_at":"2026-05-18T12:29:02Z"}],"graph_snapshots":[{"event_id":"sha256:ba9041bc4a1c4b4a2289da12a76d75f51d5bf9319ad41f3af9a2bef902acf004","target":"graph","created_at":"2026-05-18T02:29:10Z","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":"Recent news cast doubts on London Interbank Offered Rate (LIBOR) integrity. Given its economic importance and the delay with which authorities realize about this situation, we aim to find an objective method in order to detect departures in the LIBOR rate that from the expected behavior. We analyze several interest rates time series and we detect an anomalous behavior in LIBOR, specially during the period of the financial crisis of 2008. Our findings could be consistent with data manipulation.","authors_text":"Aurelio Fernandez Bariviera, Lisana B. Martinez, M. Bel\\'en Guercio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2015-01-16T22:09:32Z","title":"Data manipulation detection via permutation information theory quantifiers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.04123","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:df2e66dca75235a78526bc9bbbe54c1029fa606ea764d6b7e29644a20d28cd50","target":"record","created_at":"2026-05-18T02:29:10Z","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":"cac581ae802ddce75904d40a82066bca112ff424447be223e3d97c642f761159","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.ST","submitted_at":"2015-01-16T22:09:32Z","title_canon_sha256":"4f0768faea697e97f4497c5f60136ae07b49d2a1ffbe5a8e394aaa2dc638edc7"},"schema_version":"1.0","source":{"id":"1501.04123","kind":"arxiv","version":1}},"canonical_sha256":"e6cfc6c2afb16e78401956455feb44a20672e44115d83c4b70ae7bc0f881ad06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6cfc6c2afb16e78401956455feb44a20672e44115d83c4b70ae7bc0f881ad06","first_computed_at":"2026-05-18T02:29:10.004314Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:10.004314Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WXBJ8KyBJhXDDIUDZT7pJBjoLQGKZo5csUvOtGyEuSWPgVrmZc9QFiJ0Awm6OIaNXcfgUKieTvlmqhRhWgwEBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:10.004982Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.04123","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df2e66dca75235a78526bc9bbbe54c1029fa606ea764d6b7e29644a20d28cd50","sha256:ba9041bc4a1c4b4a2289da12a76d75f51d5bf9319ad41f3af9a2bef902acf004"],"state_sha256":"5d510204116222d3659caea9d8b7d3882b5b40a829603d9744fe69d234817b9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b8iR2l1PXXW0Rx/+rhmiK6U6Q4qdg+Awt7wKIY+YPFt4z2W4yIZkaAJJ3h9Zr2H2Pw2VCmqv3xU0dg/ZI06UAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T19:51:34.625408Z","bundle_sha256":"4b59c752b576f1d2f55b1874c29aac3b97bb93935b18359a40e65cc3e0d17367"}}