{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:D7CEGPD6LFSE254F3M4PSEUM6F","short_pith_number":"pith:D7CEGPD6","canonical_record":{"source":{"id":"1610.08760","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-27T13:12:48Z","cross_cats_sorted":[],"title_canon_sha256":"feefc1400fde656366a0c593e513db3039b99b4bac4b181563eaa1e98f468de8","abstract_canon_sha256":"5089021f035dc38cb3677692d69de8a5eca30052de57cab068294262281814e9"},"schema_version":"1.0"},"canonical_sha256":"1fc4433c7e59644d7785db38f9128cf1664e5a20bf1a5435e354140a046ddb3a","source":{"kind":"arxiv","id":"1610.08760","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.08760","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"arxiv_version","alias_value":"1610.08760v1","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08760","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"pith_short_12","alias_value":"D7CEGPD6LFSE","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"D7CEGPD6LFSE254F","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"D7CEGPD6","created_at":"2026-05-18T12:30:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:D7CEGPD6LFSE254F3M4PSEUM6F","target":"record","payload":{"canonical_record":{"source":{"id":"1610.08760","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-27T13:12:48Z","cross_cats_sorted":[],"title_canon_sha256":"feefc1400fde656366a0c593e513db3039b99b4bac4b181563eaa1e98f468de8","abstract_canon_sha256":"5089021f035dc38cb3677692d69de8a5eca30052de57cab068294262281814e9"},"schema_version":"1.0"},"canonical_sha256":"1fc4433c7e59644d7785db38f9128cf1664e5a20bf1a5435e354140a046ddb3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:18.425715Z","signature_b64":"wI3P/MAnZORD5yDmglk5F/2rEyPMj5ZKZEvBSZvbRkplDGmtgwP2vZCrLZ3joOCamTZM7VBqzTpiAgycJuhbAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fc4433c7e59644d7785db38f9128cf1664e5a20bf1a5435e354140a046ddb3a","last_reissued_at":"2026-05-18T00:50:18.425119Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:18.425119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.08760","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":"2026-05-18T00:50:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+fE4AjhsDZm+u266GC+5cC0sGIo0TGK2nNhErTBRuTMA2DvYr50XfpDsG0d4Uh3auU2FewPIb2HfgT8NQPEFAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T08:25:30.313138Z"},"content_sha256":"7cd77e967b2d8b6c28cf2c3e59cb403e81e43969b42cff64c417b648db832db1","schema_version":"1.0","event_id":"sha256:7cd77e967b2d8b6c28cf2c3e59cb403e81e43969b42cff64c417b648db832db1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:D7CEGPD6LFSE254F3M4PSEUM6F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Statistical Analyses for NANOGrav 5-year Timing Residuals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"D. Perrodin, D. R. Madison, F. A. Jenet, J. A. Ellis, J. M. Cordes, J. Rankin, M. McLaughlin, M. T. Lam, M. Vallisneri, P. B. Demorest, S. Chatterjee, T. Dolch, X. Siemens, Y. Wang","submitted_at":"2016-10-27T13:12:48Z","abstract_excerpt":"In pulsar timing, timing residuals are the differences between the observed times of arrival and the predictions from the timing model. A comprehensive timing model will produce featureless residuals, which are presumably composed of dominating noise and weak physical effects excluded from the timing model (e.g. gravitational waves). In order to apply the optimal statistical methods for detecting the weak gravitational wave signals, we need to know the statistical properties of the noise components in the residuals. In this paper we utilize a variety of non-parametric statistical tests to anal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08760","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":"2026-05-18T00:50:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Te/J8L9mFFR0lJieqTLlPqsYeeM5XoVdPu+BpGDpFpZbF/6C1Lh9oxMMcylaVSBQl03u88g/m7x86gRdt7ZUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T08:25:30.313742Z"},"content_sha256":"8a6b116bfbc7687f5b320ca7e00f75792cf0fed807be132de7ff1ae86440cb1a","schema_version":"1.0","event_id":"sha256:8a6b116bfbc7687f5b320ca7e00f75792cf0fed807be132de7ff1ae86440cb1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7CEGPD6LFSE254F3M4PSEUM6F/bundle.json","state_url":"https://pith.science/pith/D7CEGPD6LFSE254F3M4PSEUM6F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7CEGPD6LFSE254F3M4PSEUM6F/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":"2026-05-19T08:25:30Z","links":{"resolver":"https://pith.science/pith/D7CEGPD6LFSE254F3M4PSEUM6F","bundle":"https://pith.science/pith/D7CEGPD6LFSE254F3M4PSEUM6F/bundle.json","state":"https://pith.science/pith/D7CEGPD6LFSE254F3M4PSEUM6F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7CEGPD6LFSE254F3M4PSEUM6F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:D7CEGPD6LFSE254F3M4PSEUM6F","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":"5089021f035dc38cb3677692d69de8a5eca30052de57cab068294262281814e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-27T13:12:48Z","title_canon_sha256":"feefc1400fde656366a0c593e513db3039b99b4bac4b181563eaa1e98f468de8"},"schema_version":"1.0","source":{"id":"1610.08760","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.08760","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"arxiv_version","alias_value":"1610.08760v1","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.08760","created_at":"2026-05-18T00:50:18Z"},{"alias_kind":"pith_short_12","alias_value":"D7CEGPD6LFSE","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"D7CEGPD6LFSE254F","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"D7CEGPD6","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:8a6b116bfbc7687f5b320ca7e00f75792cf0fed807be132de7ff1ae86440cb1a","target":"graph","created_at":"2026-05-18T00:50:18Z","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 pulsar timing, timing residuals are the differences between the observed times of arrival and the predictions from the timing model. A comprehensive timing model will produce featureless residuals, which are presumably composed of dominating noise and weak physical effects excluded from the timing model (e.g. gravitational waves). In order to apply the optimal statistical methods for detecting the weak gravitational wave signals, we need to know the statistical properties of the noise components in the residuals. In this paper we utilize a variety of non-parametric statistical tests to anal","authors_text":"D. Perrodin, D. R. Madison, F. A. Jenet, J. A. Ellis, J. M. Cordes, J. Rankin, M. McLaughlin, M. T. Lam, M. Vallisneri, P. B. Demorest, S. Chatterjee, T. Dolch, X. Siemens, Y. Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-27T13:12:48Z","title":"Statistical Analyses for NANOGrav 5-year Timing Residuals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.08760","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":"sha256:7cd77e967b2d8b6c28cf2c3e59cb403e81e43969b42cff64c417b648db832db1","target":"record","created_at":"2026-05-18T00:50:18Z","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":"5089021f035dc38cb3677692d69de8a5eca30052de57cab068294262281814e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2016-10-27T13:12:48Z","title_canon_sha256":"feefc1400fde656366a0c593e513db3039b99b4bac4b181563eaa1e98f468de8"},"schema_version":"1.0","source":{"id":"1610.08760","kind":"arxiv","version":1}},"canonical_sha256":"1fc4433c7e59644d7785db38f9128cf1664e5a20bf1a5435e354140a046ddb3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fc4433c7e59644d7785db38f9128cf1664e5a20bf1a5435e354140a046ddb3a","first_computed_at":"2026-05-18T00:50:18.425119Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:18.425119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wI3P/MAnZORD5yDmglk5F/2rEyPMj5ZKZEvBSZvbRkplDGmtgwP2vZCrLZ3joOCamTZM7VBqzTpiAgycJuhbAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:18.425715Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.08760","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7cd77e967b2d8b6c28cf2c3e59cb403e81e43969b42cff64c417b648db832db1","sha256:8a6b116bfbc7687f5b320ca7e00f75792cf0fed807be132de7ff1ae86440cb1a"],"state_sha256":"de5276570bfb64605591872fff3b319e3a88b2652b9b1cb0dcc620944def11d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8QBXDHsGVeRBmQ9TxolbBHwaaaL9z7VotvOHgdQ8RydQjH3u2zaTWaR/1Ca+Tp6iAs0/NE4pZZRFqTu8kqkkCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T08:25:30.316819Z","bundle_sha256":"3b0ac63ad7c0a58f54715eac07c1208aa5d3a2dee29441af0c105be060c928d2"}}