{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:MAMP6CTCLCYY4GI3VLHMMLE5H5","short_pith_number":"pith:MAMP6CTC","canonical_record":{"source":{"id":"1301.6673","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-01-28T20:56:32Z","cross_cats_sorted":[],"title_canon_sha256":"c8e477c925144fec4fe2c04b2ff5640a264c7ca327ea68c068691f2bc2f77606","abstract_canon_sha256":"6a4e4a595678855008983be63138a6d1cd46143069694291e3c7210f21c64e60"},"schema_version":"1.0"},"canonical_sha256":"6018ff0a6258b18e191baacec62c9d3f6fda443e189e3c0cb4e69b2d1f2c1795","source":{"kind":"arxiv","id":"1301.6673","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.6673","created_at":"2026-05-18T03:35:14Z"},{"alias_kind":"arxiv_version","alias_value":"1301.6673v1","created_at":"2026-05-18T03:35:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.6673","created_at":"2026-05-18T03:35:14Z"},{"alias_kind":"pith_short_12","alias_value":"MAMP6CTCLCYY","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"MAMP6CTCLCYY4GI3","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"MAMP6CTC","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:MAMP6CTCLCYY4GI3VLHMMLE5H5","target":"record","payload":{"canonical_record":{"source":{"id":"1301.6673","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-01-28T20:56:32Z","cross_cats_sorted":[],"title_canon_sha256":"c8e477c925144fec4fe2c04b2ff5640a264c7ca327ea68c068691f2bc2f77606","abstract_canon_sha256":"6a4e4a595678855008983be63138a6d1cd46143069694291e3c7210f21c64e60"},"schema_version":"1.0"},"canonical_sha256":"6018ff0a6258b18e191baacec62c9d3f6fda443e189e3c0cb4e69b2d1f2c1795","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:35:14.681089Z","signature_b64":"QlLLr4VMJ4V/8rDgOjiYuYdprUr34Epl2sQeGPWmLstJnm4h0+OU2IAEpwfz1oL0gcRtHEyvzdn9WZUTPhnaCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6018ff0a6258b18e191baacec62c9d3f6fda443e189e3c0cb4e69b2d1f2c1795","last_reissued_at":"2026-05-18T03:35:14.680393Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:35:14.680393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.6673","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":"2026-05-18T03:35:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SXlB6JrKYypEooezNLysAL+En//G/owdu6p8bjHsCpkV0z/OMAy3nhSca61RgmQhkIYBd+lrsWVGTUlN7uh9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T04:07:53.225512Z"},"content_sha256":"8e65eaf9fc9ca71016f9c5bbcc73c7b6ad03e8f60bc097f053d32de2e041fa44","schema_version":"1.0","event_id":"sha256:8e65eaf9fc9ca71016f9c5bbcc73c7b6ad03e8f60bc097f053d32de2e041fa44"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:MAMP6CTCLCYY4GI3VLHMMLE5H5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of the first IPTA Mock Data Challenge by the EPTA timing data analysis working group","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Alberto Vecchio, Antoine Lassus, Chiara M. F. Mingarelli, Rutger van Haasteren","submitted_at":"2013-01-28T20:56:32Z","abstract_excerpt":"This is a summary of the methods we used to analyse the first IPTA Mock Data Challenge (MDC), and the obtained results. We have used a Bayesian analysis in the time domain, accelerated using the recently developed ABC-method which consists of a form of lossy linear data compression. The TOAs were first processed with Tempo2, where the design matrix was extracted for use in a subsequent Bayesian analysis. We used different noise models to analyse the datasets: no red noise, red noise the same for all pulsars, and individual red noise per pulsar. We sampled from the likelihood with four differen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.6673","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":"2026-05-18T03:35:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IobTNIsQxKbUYNx8BPi8R+VceawDsId6FO5F96PST7EIaq3Wn03w/+OeyIjmpWGhf4dpJxMN39db0cu6AryNBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T04:07:53.226162Z"},"content_sha256":"91fdf0cfbdf200a4ab2c58bc44ca3e2054291a9fe4968c4c29503e1803097b9f","schema_version":"1.0","event_id":"sha256:91fdf0cfbdf200a4ab2c58bc44ca3e2054291a9fe4968c4c29503e1803097b9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MAMP6CTCLCYY4GI3VLHMMLE5H5/bundle.json","state_url":"https://pith.science/pith/MAMP6CTCLCYY4GI3VLHMMLE5H5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MAMP6CTCLCYY4GI3VLHMMLE5H5/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":"2026-05-20T04:07:53Z","links":{"resolver":"https://pith.science/pith/MAMP6CTCLCYY4GI3VLHMMLE5H5","bundle":"https://pith.science/pith/MAMP6CTCLCYY4GI3VLHMMLE5H5/bundle.json","state":"https://pith.science/pith/MAMP6CTCLCYY4GI3VLHMMLE5H5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MAMP6CTCLCYY4GI3VLHMMLE5H5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:MAMP6CTCLCYY4GI3VLHMMLE5H5","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":"6a4e4a595678855008983be63138a6d1cd46143069694291e3c7210f21c64e60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-01-28T20:56:32Z","title_canon_sha256":"c8e477c925144fec4fe2c04b2ff5640a264c7ca327ea68c068691f2bc2f77606"},"schema_version":"1.0","source":{"id":"1301.6673","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.6673","created_at":"2026-05-18T03:35:14Z"},{"alias_kind":"arxiv_version","alias_value":"1301.6673v1","created_at":"2026-05-18T03:35:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.6673","created_at":"2026-05-18T03:35:14Z"},{"alias_kind":"pith_short_12","alias_value":"MAMP6CTCLCYY","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"MAMP6CTCLCYY4GI3","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"MAMP6CTC","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:91fdf0cfbdf200a4ab2c58bc44ca3e2054291a9fe4968c4c29503e1803097b9f","target":"graph","created_at":"2026-05-18T03:35:14Z","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":"This is a summary of the methods we used to analyse the first IPTA Mock Data Challenge (MDC), and the obtained results. We have used a Bayesian analysis in the time domain, accelerated using the recently developed ABC-method which consists of a form of lossy linear data compression. The TOAs were first processed with Tempo2, where the design matrix was extracted for use in a subsequent Bayesian analysis. We used different noise models to analyse the datasets: no red noise, red noise the same for all pulsars, and individual red noise per pulsar. We sampled from the likelihood with four differen","authors_text":"Alberto Vecchio, Antoine Lassus, Chiara M. F. Mingarelli, Rutger van Haasteren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-01-28T20:56:32Z","title":"Analysis of the first IPTA Mock Data Challenge by the EPTA timing data analysis working group"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.6673","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":"sha256:8e65eaf9fc9ca71016f9c5bbcc73c7b6ad03e8f60bc097f053d32de2e041fa44","target":"record","created_at":"2026-05-18T03:35:14Z","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":"6a4e4a595678855008983be63138a6d1cd46143069694291e3c7210f21c64e60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-01-28T20:56:32Z","title_canon_sha256":"c8e477c925144fec4fe2c04b2ff5640a264c7ca327ea68c068691f2bc2f77606"},"schema_version":"1.0","source":{"id":"1301.6673","kind":"arxiv","version":1}},"canonical_sha256":"6018ff0a6258b18e191baacec62c9d3f6fda443e189e3c0cb4e69b2d1f2c1795","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6018ff0a6258b18e191baacec62c9d3f6fda443e189e3c0cb4e69b2d1f2c1795","first_computed_at":"2026-05-18T03:35:14.680393Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:35:14.680393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QlLLr4VMJ4V/8rDgOjiYuYdprUr34Epl2sQeGPWmLstJnm4h0+OU2IAEpwfz1oL0gcRtHEyvzdn9WZUTPhnaCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:35:14.681089Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.6673","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e65eaf9fc9ca71016f9c5bbcc73c7b6ad03e8f60bc097f053d32de2e041fa44","sha256:91fdf0cfbdf200a4ab2c58bc44ca3e2054291a9fe4968c4c29503e1803097b9f"],"state_sha256":"41bee010741bfda55fb2ddf66bdd7b2ae999f02195deb50745d409dbfda9322f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iF/VXCukL5ZyrH24kzFEdntcH3k2Am7ehuG42kWIQb8hIVtwBxZ8dQMKz7ZfzI0dC5s6FrkUXm1Na75qZqHiBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T04:07:53.229863Z","bundle_sha256":"89ccd23fafcbbd233839c613e6718f47766d1dec7749778e514fe7b5cacc0101"}}