{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:PHQ37KJEVAHPVO6LI2PJE4JIV6","short_pith_number":"pith:PHQ37KJE","canonical_record":{"source":{"id":"2111.08709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-16T14:42:45Z","cross_cats_sorted":["astro-ph.CO","astro-ph.EP","astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"4c92189236dff92b9c2b0f0ab7e03aaf39471a1caf7be6f2b8606a7ae154d6be","abstract_canon_sha256":"9ecc866ca35428293757ec27ed863617eb19562838f0270e804ad76df9ea74ab"},"schema_version":"1.0"},"canonical_sha256":"79e1bfa924a80efabbcb469e927128af9a74a3087cbd78aea92600afa42539a7","source":{"kind":"arxiv","id":"2111.08709","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.08709","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"arxiv_version","alias_value":"2111.08709v1","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.08709","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"pith_short_12","alias_value":"PHQ37KJEVAHP","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"PHQ37KJEVAHPVO6L","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"PHQ37KJE","created_at":"2026-07-05T03:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:PHQ37KJEVAHPVO6LI2PJE4JIV6","target":"record","payload":{"canonical_record":{"source":{"id":"2111.08709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-16T14:42:45Z","cross_cats_sorted":["astro-ph.CO","astro-ph.EP","astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"4c92189236dff92b9c2b0f0ab7e03aaf39471a1caf7be6f2b8606a7ae154d6be","abstract_canon_sha256":"9ecc866ca35428293757ec27ed863617eb19562838f0270e804ad76df9ea74ab"},"schema_version":"1.0"},"canonical_sha256":"79e1bfa924a80efabbcb469e927128af9a74a3087cbd78aea92600afa42539a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:32:40.113505Z","signature_b64":"5x0D+hPpEzti8FZzBSEvmiVJiZbsKNjlyhB/y7HYuTPcDzDn403WrWp7hZXDf9c7/gHuwOKYGoB6n/8vckDXAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79e1bfa924a80efabbcb469e927128af9a74a3087cbd78aea92600afa42539a7","last_reissued_at":"2026-07-05T03:32:40.112998Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:32:40.112998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.08709","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":"2026-07-05T03:32:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fg9jhFgKOXdAXrLPCipecyWlP6xl2lbsyc6ejfywwJ+U29i/hXsy0J/kK30IMRAovVTSXAIz+mFvh6c5IHGnDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:16:09.946547Z"},"content_sha256":"5188ec13217070bd60d114942929799ae8c3e43c13c7f256b51dfebe69cdbc7e","schema_version":"1.0","event_id":"sha256:5188ec13217070bd60d114942929799ae8c3e43c13c7f256b51dfebe69cdbc7e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:PHQ37KJEVAHPVO6LI2PJE4JIV6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Faint objects in motion: the new frontier of high precision astrometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.EP","astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"Alain L\\'eger, Alberto Krone-Martins, Alcione Mora, Aldo Stefano Bonomo, Alessandro Sozzetti, Alexandre Correia, Alexis Brandeker, Ana Mour\\~ao, Andreas Quirrenbach, Andr\\'e Moitinho de Almeida, Andrew Holland, Antoine Crouzier, Antonaldo Diaferio, Antonio Amorim, Antonio da Silva, Antonio Falc\\~ao, Ariane Lan\\c{c}on, Ariel Goobar, Arnaud Siebert, Barbara McArthur, Berry Holl, Carme Jordi, C\\'eline Boehm (LAPTH), Christophe Le Poncin-lafitte, Conrado Albertus, Daniel Michalik, David Hall, David Hobbs, Diana Harrison, Douglas Spolyar, Erik H{\\o}g, Eva Villaver, Fabien Malbet (IPAG), Fr\\'ed\\'eric Courbin (EPFL), Gary Mamon, Glenn White, Guillem Anglada-Escud\\'e (QMUL), Hamish Clark, Herv\\'e Bouy, Jacques Laskar, Jean-Pierre Prost, Jean Schneider, Jeremy Darling, Jo\\~ao Alves, John Tomsick, Jordi Portell, Katherine Freese, Laura Watkins, Laurent Chemin, Leonidas Moustakas, Lucas Labadie, Luisa Ostorero, Lukasz Wyrzykowski, Malcolm Fridlund, Manuel Silva, Marco Castellani, Mariateresa Crosta, Mario Damasso, Mario Gai, Mario Lattanzi, Matthew Muterspaugh, Melvyn Davies, Micaela Oertel, Miguel de Val-Borro, Mike Shao, Monica Valluri, Morgane Fortin, Neil Murray, Nicholas Walton, Nigel Hambly, Oleg Gnedin, Pat Scott, Paulo Garcia, Paulo Gordo, Philippe Th\\'ebault, Renaud Goullioud, Rory Barnes, Rosemary Wyse, Sergei Klioner, Torsten En{\\ss}lin, Ummi Abbas, Vitor Cardoso, Warren Brown, Wesley Traub, Xavier Luri, Yoshiyuki Yamada","submitted_at":"2021-11-16T14:42:45Z","abstract_excerpt":"Sky survey telescopes and powerful targeted telescopes play complementary roles in astronomy. In order to investigate the nature and characteristics of the motions of very faint objects, a flexibly-pointed instrument capable of high astrometric accuracy is an ideal complement to current astrometric surveys and a unique tool for precision astrophysics. Such a space-based mission will push the frontier of precision astrometry from evidence of Earth-mass habitable worlds around the nearest stars, to distant Milky Way objects, and out to the Local Group of galaxies. As we enter the era of the Jame"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.08709","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.08709/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:32:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"58gUObpZkhLqj+ikojYooKCtDjO//3Rla+iBhpg8v/hf1IKUDGC0cXCaBKp1TChjyRFMUJIWu/xKZ4/+MSXzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:16:09.946927Z"},"content_sha256":"bd9a54637ac0456ea6c41cfa5ce32f1ee7a2b4e3d57c5e5c9b3c59b8398b1dbc","schema_version":"1.0","event_id":"sha256:bd9a54637ac0456ea6c41cfa5ce32f1ee7a2b4e3d57c5e5c9b3c59b8398b1dbc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PHQ37KJEVAHPVO6LI2PJE4JIV6/bundle.json","state_url":"https://pith.science/pith/PHQ37KJEVAHPVO6LI2PJE4JIV6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PHQ37KJEVAHPVO6LI2PJE4JIV6/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":"2026-07-05T12:16:09Z","links":{"resolver":"https://pith.science/pith/PHQ37KJEVAHPVO6LI2PJE4JIV6","bundle":"https://pith.science/pith/PHQ37KJEVAHPVO6LI2PJE4JIV6/bundle.json","state":"https://pith.science/pith/PHQ37KJEVAHPVO6LI2PJE4JIV6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PHQ37KJEVAHPVO6LI2PJE4JIV6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PHQ37KJEVAHPVO6LI2PJE4JIV6","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":"9ecc866ca35428293757ec27ed863617eb19562838f0270e804ad76df9ea74ab","cross_cats_sorted":["astro-ph.CO","astro-ph.EP","astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-16T14:42:45Z","title_canon_sha256":"4c92189236dff92b9c2b0f0ab7e03aaf39471a1caf7be6f2b8606a7ae154d6be"},"schema_version":"1.0","source":{"id":"2111.08709","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.08709","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"arxiv_version","alias_value":"2111.08709v1","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.08709","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"pith_short_12","alias_value":"PHQ37KJEVAHP","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"PHQ37KJEVAHPVO6L","created_at":"2026-07-05T03:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"PHQ37KJE","created_at":"2026-07-05T03:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:bd9a54637ac0456ea6c41cfa5ce32f1ee7a2b4e3d57c5e5c9b3c59b8398b1dbc","target":"graph","created_at":"2026-07-05T03:32:40Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2111.08709/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Sky survey telescopes and powerful targeted telescopes play complementary roles in astronomy. In order to investigate the nature and characteristics of the motions of very faint objects, a flexibly-pointed instrument capable of high astrometric accuracy is an ideal complement to current astrometric surveys and a unique tool for precision astrophysics. Such a space-based mission will push the frontier of precision astrometry from evidence of Earth-mass habitable worlds around the nearest stars, to distant Milky Way objects, and out to the Local Group of galaxies. As we enter the era of the Jame","authors_text":"Alain L\\'eger, Alberto Krone-Martins, Alcione Mora, Aldo Stefano Bonomo, Alessandro Sozzetti, Alexandre Correia, Alexis Brandeker, Ana Mour\\~ao, Andreas Quirrenbach, Andr\\'e Moitinho de Almeida, Andrew Holland, Antoine Crouzier, Antonaldo Diaferio, Antonio Amorim, Antonio da Silva, Antonio Falc\\~ao, Ariane Lan\\c{c}on, Ariel Goobar, Arnaud Siebert, Barbara McArthur, Berry Holl, Carme Jordi, C\\'eline Boehm (LAPTH), Christophe Le Poncin-lafitte, Conrado Albertus, Daniel Michalik, David Hall, David Hobbs, Diana Harrison, Douglas Spolyar, Erik H{\\o}g, Eva Villaver, Fabien Malbet (IPAG), Fr\\'ed\\'eric Courbin (EPFL), Gary Mamon, Glenn White, Guillem Anglada-Escud\\'e (QMUL), Hamish Clark, Herv\\'e Bouy, Jacques Laskar, Jean-Pierre Prost, Jean Schneider, Jeremy Darling, Jo\\~ao Alves, John Tomsick, Jordi Portell, Katherine Freese, Laura Watkins, Laurent Chemin, Leonidas Moustakas, Lucas Labadie, Luisa Ostorero, Lukasz Wyrzykowski, Malcolm Fridlund, Manuel Silva, Marco Castellani, Mariateresa Crosta, Mario Damasso, Mario Gai, Mario Lattanzi, Matthew Muterspaugh, Melvyn Davies, Micaela Oertel, Miguel de Val-Borro, Mike Shao, Monica Valluri, Morgane Fortin, Neil Murray, Nicholas Walton, Nigel Hambly, Oleg Gnedin, Pat Scott, Paulo Garcia, Paulo Gordo, Philippe Th\\'ebault, Renaud Goullioud, Rory Barnes, Rosemary Wyse, Sergei Klioner, Torsten En{\\ss}lin, Ummi Abbas, Vitor Cardoso, Warren Brown, Wesley Traub, Xavier Luri, Yoshiyuki Yamada","cross_cats":["astro-ph.CO","astro-ph.EP","astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-16T14:42:45Z","title":"Faint objects in motion: the new frontier of high precision astrometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.08709","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":"sha256:5188ec13217070bd60d114942929799ae8c3e43c13c7f256b51dfebe69cdbc7e","target":"record","created_at":"2026-07-05T03:32:40Z","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":"9ecc866ca35428293757ec27ed863617eb19562838f0270e804ad76df9ea74ab","cross_cats_sorted":["astro-ph.CO","astro-ph.EP","astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-11-16T14:42:45Z","title_canon_sha256":"4c92189236dff92b9c2b0f0ab7e03aaf39471a1caf7be6f2b8606a7ae154d6be"},"schema_version":"1.0","source":{"id":"2111.08709","kind":"arxiv","version":1}},"canonical_sha256":"79e1bfa924a80efabbcb469e927128af9a74a3087cbd78aea92600afa42539a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79e1bfa924a80efabbcb469e927128af9a74a3087cbd78aea92600afa42539a7","first_computed_at":"2026-07-05T03:32:40.112998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:32:40.112998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5x0D+hPpEzti8FZzBSEvmiVJiZbsKNjlyhB/y7HYuTPcDzDn403WrWp7hZXDf9c7/gHuwOKYGoB6n/8vckDXAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:32:40.113505Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.08709","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5188ec13217070bd60d114942929799ae8c3e43c13c7f256b51dfebe69cdbc7e","sha256:bd9a54637ac0456ea6c41cfa5ce32f1ee7a2b4e3d57c5e5c9b3c59b8398b1dbc"],"state_sha256":"f39306cef66baa37aa1f9b05ea89ffd1ad12b475f8a256f1242a566a462288ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GIA1+etwPHJ2q+IIqaNFM5fnUhEVZWjxnn0ggfcDc/Huv9Sq4zLhZR1b/Hxr0VgfHxOaQv+6FwkvBUGiKOSJDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T12:16:09.948972Z","bundle_sha256":"ba90e4ebdc0808e1e84ec65023dc28eccde6172c7a3eb4f34bb770b8d592821b"}}