{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:TUHZTC6IELCV6NCKZESPKIH2AQ","short_pith_number":"pith:TUHZTC6I","canonical_record":{"source":{"id":"1701.03761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-13T18:00:58Z","cross_cats_sorted":[],"title_canon_sha256":"a45bb9500470af55641aa157903f6aa0d320c58b7d483a2576376281304bc8c6","abstract_canon_sha256":"161eaf46e98e6d17bfb4ec9c01301c9265e68bf0ca16a78b26ce8a33c16d85b8"},"schema_version":"1.0"},"canonical_sha256":"9d0f998bc822c55f344ac924f520fa04363e148de9bcd804fa0382e3759f6ec4","source":{"kind":"arxiv","id":"1701.03761","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03761","created_at":"2026-05-18T00:52:53Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03761v1","created_at":"2026-05-18T00:52:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03761","created_at":"2026-05-18T00:52:53Z"},{"alias_kind":"pith_short_12","alias_value":"TUHZTC6IELCV","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TUHZTC6IELCV6NCK","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TUHZTC6I","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:TUHZTC6IELCV6NCKZESPKIH2AQ","target":"record","payload":{"canonical_record":{"source":{"id":"1701.03761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-13T18:00:58Z","cross_cats_sorted":[],"title_canon_sha256":"a45bb9500470af55641aa157903f6aa0d320c58b7d483a2576376281304bc8c6","abstract_canon_sha256":"161eaf46e98e6d17bfb4ec9c01301c9265e68bf0ca16a78b26ce8a33c16d85b8"},"schema_version":"1.0"},"canonical_sha256":"9d0f998bc822c55f344ac924f520fa04363e148de9bcd804fa0382e3759f6ec4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:53.899116Z","signature_b64":"orvyFJH+muXIGo0hqJXtcm2zjoL1WM0YLsxxcqJC2AazN0A6HJpI+rt0XewIJbBAGdw6nHPwJelEWneDFfvCDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d0f998bc822c55f344ac924f520fa04363e148de9bcd804fa0382e3759f6ec4","last_reissued_at":"2026-05-18T00:52:53.898602Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:53.898602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.03761","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":"2026-05-18T00:52:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GYoG/9Tpwsz2ST/8ybDyBBFTwfjsHkGPUG0zhNrLs0Gw9ONfy97UhqwJBIuEYDgJleYSyBWMKNIESiwx+JtxDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:59:08.621941Z"},"content_sha256":"91208e4a43098246585e5e65d212f247f814f21d8fe92ab222c257700efdb06a","schema_version":"1.0","event_id":"sha256:91208e4a43098246585e5e65d212f247f814f21d8fe92ab222c257700efdb06a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:TUHZTC6IELCV6NCKZESPKIH2AQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compositional study of asteroids in the Erigone collisional family using visible spectroscopy at the 10.4 m GTC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Antonio Cabrera-Lavers, David Morate, Humberto Campins, Javier Licandro, Julia de Le\\'on, M\\'ario De Pr\\'a, Noem\\'i Pinilla-Alonso, V\\'ictor Al\\'i-Lagoa","submitted_at":"2017-01-13T18:00:58Z","abstract_excerpt":"Two primitive near Earth asteroids, (101955) Bennu and (162173) Ryugu, will be visited by a spacecraft with the aim of returning samples back to Earth. Since these objects are believed to originate in the inner main belt primitive collisional families (Erigone, Polana, Clarissa, and Sulamitis) or in the background of asteroids outside these families, the characterization of these primitive populations will enhance the scientific return of the missions. The main goal of this work is to shed light on the composition of the Erigone collisional family by means of visible spectroscopy. Asteroid (16"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03761","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":"2026-05-18T00:52:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bpvCR0dhWj6Q9rTKfXy6vX5IflH5Tvn3r97a41/kAC5pg6SMX73RONPBEW5BpX355OFGA9qBxFLjjRl7Qk87DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:59:08.622594Z"},"content_sha256":"2a490cf494014415359977bb4dd8414ea3867cfe62d1d44aa38764cb3fa5e6ef","schema_version":"1.0","event_id":"sha256:2a490cf494014415359977bb4dd8414ea3867cfe62d1d44aa38764cb3fa5e6ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TUHZTC6IELCV6NCKZESPKIH2AQ/bundle.json","state_url":"https://pith.science/pith/TUHZTC6IELCV6NCKZESPKIH2AQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TUHZTC6IELCV6NCKZESPKIH2AQ/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":"2026-05-26T13:59:08Z","links":{"resolver":"https://pith.science/pith/TUHZTC6IELCV6NCKZESPKIH2AQ","bundle":"https://pith.science/pith/TUHZTC6IELCV6NCKZESPKIH2AQ/bundle.json","state":"https://pith.science/pith/TUHZTC6IELCV6NCKZESPKIH2AQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TUHZTC6IELCV6NCKZESPKIH2AQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TUHZTC6IELCV6NCKZESPKIH2AQ","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":"161eaf46e98e6d17bfb4ec9c01301c9265e68bf0ca16a78b26ce8a33c16d85b8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-13T18:00:58Z","title_canon_sha256":"a45bb9500470af55641aa157903f6aa0d320c58b7d483a2576376281304bc8c6"},"schema_version":"1.0","source":{"id":"1701.03761","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03761","created_at":"2026-05-18T00:52:53Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03761v1","created_at":"2026-05-18T00:52:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03761","created_at":"2026-05-18T00:52:53Z"},{"alias_kind":"pith_short_12","alias_value":"TUHZTC6IELCV","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TUHZTC6IELCV6NCK","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TUHZTC6I","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:2a490cf494014415359977bb4dd8414ea3867cfe62d1d44aa38764cb3fa5e6ef","target":"graph","created_at":"2026-05-18T00:52:53Z","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":"Two primitive near Earth asteroids, (101955) Bennu and (162173) Ryugu, will be visited by a spacecraft with the aim of returning samples back to Earth. Since these objects are believed to originate in the inner main belt primitive collisional families (Erigone, Polana, Clarissa, and Sulamitis) or in the background of asteroids outside these families, the characterization of these primitive populations will enhance the scientific return of the missions. The main goal of this work is to shed light on the composition of the Erigone collisional family by means of visible spectroscopy. Asteroid (16","authors_text":"Antonio Cabrera-Lavers, David Morate, Humberto Campins, Javier Licandro, Julia de Le\\'on, M\\'ario De Pr\\'a, Noem\\'i Pinilla-Alonso, V\\'ictor Al\\'i-Lagoa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-13T18:00:58Z","title":"Compositional study of asteroids in the Erigone collisional family using visible spectroscopy at the 10.4 m GTC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03761","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":"sha256:91208e4a43098246585e5e65d212f247f814f21d8fe92ab222c257700efdb06a","target":"record","created_at":"2026-05-18T00:52:53Z","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":"161eaf46e98e6d17bfb4ec9c01301c9265e68bf0ca16a78b26ce8a33c16d85b8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-13T18:00:58Z","title_canon_sha256":"a45bb9500470af55641aa157903f6aa0d320c58b7d483a2576376281304bc8c6"},"schema_version":"1.0","source":{"id":"1701.03761","kind":"arxiv","version":1}},"canonical_sha256":"9d0f998bc822c55f344ac924f520fa04363e148de9bcd804fa0382e3759f6ec4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d0f998bc822c55f344ac924f520fa04363e148de9bcd804fa0382e3759f6ec4","first_computed_at":"2026-05-18T00:52:53.898602Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:53.898602Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"orvyFJH+muXIGo0hqJXtcm2zjoL1WM0YLsxxcqJC2AazN0A6HJpI+rt0XewIJbBAGdw6nHPwJelEWneDFfvCDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:53.899116Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.03761","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91208e4a43098246585e5e65d212f247f814f21d8fe92ab222c257700efdb06a","sha256:2a490cf494014415359977bb4dd8414ea3867cfe62d1d44aa38764cb3fa5e6ef"],"state_sha256":"be8ca3046d30a198de12e8ed3a6ee39e166295297ea1bfb785ca744920ca2bac"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pz0PXMfa1wh86YZH/9eRROb2dn8FDYNMMSTGxY1jdY4TrpxTz+xJx/ahN65QdnIYQpKcauv+vuj6KIMV2kaRAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:59:08.625325Z","bundle_sha256":"fbffecb40efd6e8a05284135a27c4963e26dd1ccdd519fb11a6fa6b6315d5420"}}