{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ZAY4PFPZ3UHK36RZLAPOXD7WQ5","short_pith_number":"pith:ZAY4PFPZ","canonical_record":{"source":{"id":"1904.08836","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-04-18T15:20:47Z","cross_cats_sorted":[],"title_canon_sha256":"ccd707e9fbe5a518ab6e933b0fb71eea262d04e5b952332e3931aa538537454d","abstract_canon_sha256":"19af5d0ed587e4093542f081cb7b95487465f585b0ff1806621887b827f5a609"},"schema_version":"1.0"},"canonical_sha256":"c831c795f9dd0eadfa39581eeb8ff68758872f5ff5a4b18fa0c1431df1b2b2ec","source":{"kind":"arxiv","id":"1904.08836","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.08836","created_at":"2026-05-17T23:48:12Z"},{"alias_kind":"arxiv_version","alias_value":"1904.08836v1","created_at":"2026-05-17T23:48:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.08836","created_at":"2026-05-17T23:48:12Z"},{"alias_kind":"pith_short_12","alias_value":"ZAY4PFPZ3UHK","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"ZAY4PFPZ3UHK36RZ","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"ZAY4PFPZ","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ZAY4PFPZ3UHK36RZLAPOXD7WQ5","target":"record","payload":{"canonical_record":{"source":{"id":"1904.08836","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-04-18T15:20:47Z","cross_cats_sorted":[],"title_canon_sha256":"ccd707e9fbe5a518ab6e933b0fb71eea262d04e5b952332e3931aa538537454d","abstract_canon_sha256":"19af5d0ed587e4093542f081cb7b95487465f585b0ff1806621887b827f5a609"},"schema_version":"1.0"},"canonical_sha256":"c831c795f9dd0eadfa39581eeb8ff68758872f5ff5a4b18fa0c1431df1b2b2ec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:12.820986Z","signature_b64":"OSlcuppj6bM8oO/M0DQ05HiZMr8Ybs5YRIhMbNohZhniNojxib3cL3j67erCCKFWZLNmRajrcrHHNaCvRUzCAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c831c795f9dd0eadfa39581eeb8ff68758872f5ff5a4b18fa0c1431df1b2b2ec","last_reissued_at":"2026-05-17T23:48:12.820294Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:12.820294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.08836","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":"2026-05-17T23:48:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"peXDlnRh0vEtzsJA2D88uYWqjsBosjbXx8mbHTXCTEiwaFLW1DRPhUc329j6I9HmH4sjPfOOBITCMoOVzbVRCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:27:01.258301Z"},"content_sha256":"6b05722738c81839178688cb1984fbc2184cb54ebc200cdfc0a4a7cf9373eb43","schema_version":"1.0","event_id":"sha256:6b05722738c81839178688cb1984fbc2184cb54ebc200cdfc0a4a7cf9373eb43"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ZAY4PFPZ3UHK36RZLAPOXD7WQ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"All-Sky Near Infrared Space Astrometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Alberto Krone Martins, Alessandro Sozzetti, Anthony Brown, Barbara McArthur, Celine Boehm, Charlie Conroy, Chengxing Zhai, David Hobbs, David R. Rodriguez, Eduardo Bendek, Erik H{\\o}g, Fritz Benedict, Jennifer Lynn Bartlett, Johan Peter Uldall Fynbo, John Tomsick, Lennart Lindegren, Lynne Hillenbrand, Mike Shao, Oleg Gnedin, Rick White, Slava Turyshev, Stephen Unwin, Valeri Makarov","submitted_at":"2019-04-18T15:20:47Z","abstract_excerpt":"Gaia is currently revolutionizing modern astronomy. However, much of the Galactic plane, center and the spiral arm regions are obscured by interstellar extinction, rendering them inaccessible because Gaia is an optical instrument. An all-sky near infrared (NIR) space observatory operating in the optical NIR, separated in time from the original Gaia would provide microarcsecond NIR astrometry and millimag photometry to penetrate obscured regions unraveling the internal dynamics of the Galaxy."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.08836","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":"2026-05-17T23:48:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5vT/v9GiH0TlC2ZekBZrvLhPrnfI/h5qEPz6ay+VVFCmYIRAtEPrqa0eCQs8PmNtXcj+pHCsqY/7Ct0NWD8tAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:27:01.259019Z"},"content_sha256":"cd9f81629d9196018da7eb36e5859ae6bd82ca033d8634eb6c1bcd0cffc63294","schema_version":"1.0","event_id":"sha256:cd9f81629d9196018da7eb36e5859ae6bd82ca033d8634eb6c1bcd0cffc63294"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZAY4PFPZ3UHK36RZLAPOXD7WQ5/bundle.json","state_url":"https://pith.science/pith/ZAY4PFPZ3UHK36RZLAPOXD7WQ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZAY4PFPZ3UHK36RZLAPOXD7WQ5/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":"2026-05-26T01:27:01Z","links":{"resolver":"https://pith.science/pith/ZAY4PFPZ3UHK36RZLAPOXD7WQ5","bundle":"https://pith.science/pith/ZAY4PFPZ3UHK36RZLAPOXD7WQ5/bundle.json","state":"https://pith.science/pith/ZAY4PFPZ3UHK36RZLAPOXD7WQ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZAY4PFPZ3UHK36RZLAPOXD7WQ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ZAY4PFPZ3UHK36RZLAPOXD7WQ5","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":"19af5d0ed587e4093542f081cb7b95487465f585b0ff1806621887b827f5a609","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-04-18T15:20:47Z","title_canon_sha256":"ccd707e9fbe5a518ab6e933b0fb71eea262d04e5b952332e3931aa538537454d"},"schema_version":"1.0","source":{"id":"1904.08836","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.08836","created_at":"2026-05-17T23:48:12Z"},{"alias_kind":"arxiv_version","alias_value":"1904.08836v1","created_at":"2026-05-17T23:48:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.08836","created_at":"2026-05-17T23:48:12Z"},{"alias_kind":"pith_short_12","alias_value":"ZAY4PFPZ3UHK","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"ZAY4PFPZ3UHK36RZ","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"ZAY4PFPZ","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:cd9f81629d9196018da7eb36e5859ae6bd82ca033d8634eb6c1bcd0cffc63294","target":"graph","created_at":"2026-05-17T23:48:12Z","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":"Gaia is currently revolutionizing modern astronomy. However, much of the Galactic plane, center and the spiral arm regions are obscured by interstellar extinction, rendering them inaccessible because Gaia is an optical instrument. An all-sky near infrared (NIR) space observatory operating in the optical NIR, separated in time from the original Gaia would provide microarcsecond NIR astrometry and millimag photometry to penetrate obscured regions unraveling the internal dynamics of the Galaxy.","authors_text":"Alberto Krone Martins, Alessandro Sozzetti, Anthony Brown, Barbara McArthur, Celine Boehm, Charlie Conroy, Chengxing Zhai, David Hobbs, David R. Rodriguez, Eduardo Bendek, Erik H{\\o}g, Fritz Benedict, Jennifer Lynn Bartlett, Johan Peter Uldall Fynbo, John Tomsick, Lennart Lindegren, Lynne Hillenbrand, Mike Shao, Oleg Gnedin, Rick White, Slava Turyshev, Stephen Unwin, Valeri Makarov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-04-18T15:20:47Z","title":"All-Sky Near Infrared Space Astrometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.08836","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":"sha256:6b05722738c81839178688cb1984fbc2184cb54ebc200cdfc0a4a7cf9373eb43","target":"record","created_at":"2026-05-17T23:48:12Z","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":"19af5d0ed587e4093542f081cb7b95487465f585b0ff1806621887b827f5a609","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-04-18T15:20:47Z","title_canon_sha256":"ccd707e9fbe5a518ab6e933b0fb71eea262d04e5b952332e3931aa538537454d"},"schema_version":"1.0","source":{"id":"1904.08836","kind":"arxiv","version":1}},"canonical_sha256":"c831c795f9dd0eadfa39581eeb8ff68758872f5ff5a4b18fa0c1431df1b2b2ec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c831c795f9dd0eadfa39581eeb8ff68758872f5ff5a4b18fa0c1431df1b2b2ec","first_computed_at":"2026-05-17T23:48:12.820294Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:12.820294Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OSlcuppj6bM8oO/M0DQ05HiZMr8Ybs5YRIhMbNohZhniNojxib3cL3j67erCCKFWZLNmRajrcrHHNaCvRUzCAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:12.820986Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.08836","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b05722738c81839178688cb1984fbc2184cb54ebc200cdfc0a4a7cf9373eb43","sha256:cd9f81629d9196018da7eb36e5859ae6bd82ca033d8634eb6c1bcd0cffc63294"],"state_sha256":"7ca246b7e5c0fa887ab1e43e8733bccfa95cc0f542185f59c408e1dbbc054346"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gq8yRSW2MRc3H9HSWXgECqXM1TC0fwEYfDrTZXxRjw1Xflz4Dx3UMdj1wzpFaETWpoewN/izem5YhbFNa6IiBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T01:27:01.262754Z","bundle_sha256":"fed71cc1bcc22f745cb41d094e7b8dc53ef4b399f0e654cf1ea27c4325ea9ece"}}