{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:PLWQW23XTJKPEVUWI55EKC5KZP","short_pith_number":"pith:PLWQW23X","canonical_record":{"source":{"id":"1710.02353","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-06T11:24:17Z","cross_cats_sorted":[],"title_canon_sha256":"42055cb6e9accd7f99d4fb7eb73b359841f0556f728427e0c6f954c7656dd295","abstract_canon_sha256":"bb1ac6e7c187428cbe30115bae77b27d8941bff5c951d7cedb59dc1b1a18653a"},"schema_version":"1.0"},"canonical_sha256":"7aed0b6b779a54f25696477a450baacbe6292e50946c540fb90470f6dddb0b49","source":{"kind":"arxiv","id":"1710.02353","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.02353","created_at":"2026-05-18T00:29:28Z"},{"alias_kind":"arxiv_version","alias_value":"1710.02353v1","created_at":"2026-05-18T00:29:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.02353","created_at":"2026-05-18T00:29:28Z"},{"alias_kind":"pith_short_12","alias_value":"PLWQW23XTJKP","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PLWQW23XTJKPEVUW","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PLWQW23X","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:PLWQW23XTJKPEVUWI55EKC5KZP","target":"record","payload":{"canonical_record":{"source":{"id":"1710.02353","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-06T11:24:17Z","cross_cats_sorted":[],"title_canon_sha256":"42055cb6e9accd7f99d4fb7eb73b359841f0556f728427e0c6f954c7656dd295","abstract_canon_sha256":"bb1ac6e7c187428cbe30115bae77b27d8941bff5c951d7cedb59dc1b1a18653a"},"schema_version":"1.0"},"canonical_sha256":"7aed0b6b779a54f25696477a450baacbe6292e50946c540fb90470f6dddb0b49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:28.221080Z","signature_b64":"IrGkml/F7uhc1c3iFQs03ulNrzQMvcHADsFDiLGowaqVDUFLhFdArwcebKWJIHap5DM7EYXk/0JJBnkLdSRpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7aed0b6b779a54f25696477a450baacbe6292e50946c540fb90470f6dddb0b49","last_reissued_at":"2026-05-18T00:29:28.220451Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:28.220451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.02353","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":"2026-05-18T00:29:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"azoPAVYPNYpDaXgPhF0mvR8iMFas8jZ1S2NDfOaEKA7/NH59FrZ8eeKRafiOidGnDFIoUI4oMwjElnKuBEv9DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T13:41:05.505098Z"},"content_sha256":"b2a85ea3da66f975d7e09decfed7bafcbc795575f5bc4ceda25f09fd75f227b3","schema_version":"1.0","event_id":"sha256:b2a85ea3da66f975d7e09decfed7bafcbc795575f5bc4ceda25f09fd75f227b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:PLWQW23XTJKPEVUWI55EKC5KZP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tracing the evolution of dust obscured star-formation and accretion back to the reionisation epoch with SPICA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Efstathiou, A. Franceschini, A. Papadopoulos, C. Gruppioni, C. Pearson, C. Vignali, D.L. Clements, D. Scott, E. Egami, E. Gonzalez-Alfonso, E. Hatziminaoglou, F. Fontanot, F. Pozzi, F. van der Tak, G. Rodighiero, H. Dannerbauer, H. Kaneda, I. Perez-Fournon, J.A. Fernandez-Ontiveros, J. Braine, L. Armus, L. Ciesla, L. Marchetti, L. Spinoglio, L. Wang, M. Baes, M. Griffin, M. Vaccari, N. Christopher, P. Monaco, P. Perez-Gonzalez, P. Roelfsema, P. Santini, S. Serjeant, T. Nakagawa, T. Onaka, T. Wada, V. Charmandaris","submitted_at":"2017-10-06T11:24:17Z","abstract_excerpt":"Our current knowledge of star formation and accretion luminosity at high-redshift (z>3-4), as well as the possible connections between them, relies mostly on observations in the rest-frame ultraviolet (UV), which are strongly affected by dust obscuration. Due to the lack of sensitivity of past and current infrared (IR) instrumentation, so far it has not been possible to get a glimpse into the early phases of the dust-obscured Universe. Among the next generation of IR observatories, SPICA, observing in the 12-350 micron range, will be the only facility that can enable us to make the required le"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.02353","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":"2026-05-18T00:29:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F0GM4zF6arZebgCjN7YMxsr+wdIJdq8zbyw2oKLC8TG4S2kqb1WKr2SK9n9nHkX1Q87kov2L9GlylkedfdWvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T13:41:05.505476Z"},"content_sha256":"848048468f1ed8b521e54cc0ed98bc6b53edc5ce3fc2f3d05430a96514fa2b67","schema_version":"1.0","event_id":"sha256:848048468f1ed8b521e54cc0ed98bc6b53edc5ce3fc2f3d05430a96514fa2b67"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PLWQW23XTJKPEVUWI55EKC5KZP/bundle.json","state_url":"https://pith.science/pith/PLWQW23XTJKPEVUWI55EKC5KZP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PLWQW23XTJKPEVUWI55EKC5KZP/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":"2026-05-20T13:41:05Z","links":{"resolver":"https://pith.science/pith/PLWQW23XTJKPEVUWI55EKC5KZP","bundle":"https://pith.science/pith/PLWQW23XTJKPEVUWI55EKC5KZP/bundle.json","state":"https://pith.science/pith/PLWQW23XTJKPEVUWI55EKC5KZP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PLWQW23XTJKPEVUWI55EKC5KZP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:PLWQW23XTJKPEVUWI55EKC5KZP","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":"bb1ac6e7c187428cbe30115bae77b27d8941bff5c951d7cedb59dc1b1a18653a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-06T11:24:17Z","title_canon_sha256":"42055cb6e9accd7f99d4fb7eb73b359841f0556f728427e0c6f954c7656dd295"},"schema_version":"1.0","source":{"id":"1710.02353","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.02353","created_at":"2026-05-18T00:29:28Z"},{"alias_kind":"arxiv_version","alias_value":"1710.02353v1","created_at":"2026-05-18T00:29:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.02353","created_at":"2026-05-18T00:29:28Z"},{"alias_kind":"pith_short_12","alias_value":"PLWQW23XTJKP","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PLWQW23XTJKPEVUW","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PLWQW23X","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:848048468f1ed8b521e54cc0ed98bc6b53edc5ce3fc2f3d05430a96514fa2b67","target":"graph","created_at":"2026-05-18T00:29:28Z","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 current knowledge of star formation and accretion luminosity at high-redshift (z>3-4), as well as the possible connections between them, relies mostly on observations in the rest-frame ultraviolet (UV), which are strongly affected by dust obscuration. Due to the lack of sensitivity of past and current infrared (IR) instrumentation, so far it has not been possible to get a glimpse into the early phases of the dust-obscured Universe. Among the next generation of IR observatories, SPICA, observing in the 12-350 micron range, will be the only facility that can enable us to make the required le","authors_text":"A. Efstathiou, A. Franceschini, A. Papadopoulos, C. Gruppioni, C. Pearson, C. Vignali, D.L. Clements, D. Scott, E. Egami, E. Gonzalez-Alfonso, E. Hatziminaoglou, F. Fontanot, F. Pozzi, F. van der Tak, G. Rodighiero, H. Dannerbauer, H. Kaneda, I. Perez-Fournon, J.A. Fernandez-Ontiveros, J. Braine, L. Armus, L. Ciesla, L. Marchetti, L. Spinoglio, L. Wang, M. Baes, M. Griffin, M. Vaccari, N. Christopher, P. Monaco, P. Perez-Gonzalez, P. Roelfsema, P. Santini, S. Serjeant, T. Nakagawa, T. Onaka, T. Wada, V. Charmandaris","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-06T11:24:17Z","title":"Tracing the evolution of dust obscured star-formation and accretion back to the reionisation epoch with SPICA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.02353","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:b2a85ea3da66f975d7e09decfed7bafcbc795575f5bc4ceda25f09fd75f227b3","target":"record","created_at":"2026-05-18T00:29:28Z","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":"bb1ac6e7c187428cbe30115bae77b27d8941bff5c951d7cedb59dc1b1a18653a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-06T11:24:17Z","title_canon_sha256":"42055cb6e9accd7f99d4fb7eb73b359841f0556f728427e0c6f954c7656dd295"},"schema_version":"1.0","source":{"id":"1710.02353","kind":"arxiv","version":1}},"canonical_sha256":"7aed0b6b779a54f25696477a450baacbe6292e50946c540fb90470f6dddb0b49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7aed0b6b779a54f25696477a450baacbe6292e50946c540fb90470f6dddb0b49","first_computed_at":"2026-05-18T00:29:28.220451Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:28.220451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IrGkml/F7uhc1c3iFQs03ulNrzQMvcHADsFDiLGowaqVDUFLhFdArwcebKWJIHap5DM7EYXk/0JJBnkLdSRpDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:28.221080Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.02353","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2a85ea3da66f975d7e09decfed7bafcbc795575f5bc4ceda25f09fd75f227b3","sha256:848048468f1ed8b521e54cc0ed98bc6b53edc5ce3fc2f3d05430a96514fa2b67"],"state_sha256":"a588f26c7fce96eaeaf4996dadd20c562468c4ffed71ea011ed1a23080490c73"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OpJXwPJDBeKd/yWRPeFnoaQae/mO5CuLa0aS6cmOOEpPz+cz/AEgBiEt/jNph6TfY+mgAiwpFO4zWLszyr1DCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T13:41:05.507716Z","bundle_sha256":"5d7e6bdadf55032d1c6185d84a339e92146d750905fb2ea7d557048aa6c3d3b3"}}