{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:3KDQVKWMOKVSGPC3Q6JDO3BB4G","short_pith_number":"pith:3KDQVKWM","canonical_record":{"source":{"id":"2312.03847","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-06T19:02:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"67a575dfcdd70cf7cb68db06edd6723a9213cc832770d0075d2854eb306d5b5d","abstract_canon_sha256":"ec246b9963d053d5bc8d9d00147cc1ee4e2518dcda9a55f46e86391bc05e64ca"},"schema_version":"1.0"},"canonical_sha256":"da870aaacc72ab233c5b8792376c21e196455ccb0c305d0e952cb17ac9ac825b","source":{"kind":"arxiv","id":"2312.03847","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.03847","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"arxiv_version","alias_value":"2312.03847v2","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.03847","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"pith_short_12","alias_value":"3KDQVKWMOKVS","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"pith_short_16","alias_value":"3KDQVKWMOKVSGPC3","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"pith_short_8","alias_value":"3KDQVKWM","created_at":"2026-07-05T08:08:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:3KDQVKWMOKVSGPC3Q6JDO3BB4G","target":"record","payload":{"canonical_record":{"source":{"id":"2312.03847","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-06T19:02:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"67a575dfcdd70cf7cb68db06edd6723a9213cc832770d0075d2854eb306d5b5d","abstract_canon_sha256":"ec246b9963d053d5bc8d9d00147cc1ee4e2518dcda9a55f46e86391bc05e64ca"},"schema_version":"1.0"},"canonical_sha256":"da870aaacc72ab233c5b8792376c21e196455ccb0c305d0e952cb17ac9ac825b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:08:19.558125Z","signature_b64":"9Vl/4eEco8npmu/Obqp+vKmc7PV+EEP8K6UUdboc8mVXaoX8OQhkqi1BhtUeyjShnadVfCux2Qo0sRAlTVKwDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da870aaacc72ab233c5b8792376c21e196455ccb0c305d0e952cb17ac9ac825b","last_reissued_at":"2026-07-05T08:08:19.557548Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:08:19.557548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.03847","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:08:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ndK49zZfMnt6YqLfGNtMwGrktauBWyJH0wQoYW3c9bp+sze90mxHwUT2XbXYob/59FG3t/8/926yej7j4CHVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T22:27:17.261330Z"},"content_sha256":"4f879e1ad3d599cc60e37d5fbb6105e6ce10a137b1ff657825e9ba8841c95929","schema_version":"1.0","event_id":"sha256:4f879e1ad3d599cc60e37d5fbb6105e6ce10a137b1ff657825e9ba8841c95929"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:3KDQVKWMOKVSGPC3Q6JDO3BB4G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Pristine Inner Galaxy Survey (PIGS) VIII: Characterising the orbital properties of the ancient, very metal-poor inner Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Anke Ardern-Arentsen, Anna B. A. Queiroz, Cristina Chiappini, Daniel B. Zucker, David S. Aguado, Else Starkenburg, Federico Sestito, Geraint F. Lewis, Giacomo Monari, GyuChul Myeong, Hanyuan Zhang, Kim A. Venn, Mathias Schultheis, Nicolas F. Martin, Ray Carlberg, Sara Vitali, Stephanie Monty, Sven Buder, Vasily Belokurov, William H. Oliver, Zhen Wan, Zhen Yuan","submitted_at":"2023-12-06T19:02:02Z","abstract_excerpt":"The oldest stars in the Milky Way (born in the first few billion years) are expected to have a high density in the inner few kpc, spatially overlapping with the Galactic bulge. We use spectroscopic data from the Pristine Inner Galaxy Survey (PIGS) to study the dynamical properties of ancient, metal-poor inner Galaxy stars. We compute distances using StarHorse, and orbital properties in a barred Galactic potential. With this paper, we release the spectroscopic AAT/PIGS catalogue (13 235 stars). We find that most PIGS stars have orbits typical for a pressure-supported population. The fraction of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.03847","kind":"arxiv","version":2},"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/2312.03847/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":"2026-07-05T08:08:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fhRgjSSj2IjAjoUrZmPCHSHNf+xdYWl8JGcAT9IyBkq2+602pa2Xaf2weuZGWs3jz4gU2J86KE61JlBVW0HKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T22:27:17.261819Z"},"content_sha256":"e7e2c9c8e529a654194d3f258de4651d6541d7ad6262ca3a21ccb2d790caf5f2","schema_version":"1.0","event_id":"sha256:e7e2c9c8e529a654194d3f258de4651d6541d7ad6262ca3a21ccb2d790caf5f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3KDQVKWMOKVSGPC3Q6JDO3BB4G/bundle.json","state_url":"https://pith.science/pith/3KDQVKWMOKVSGPC3Q6JDO3BB4G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3KDQVKWMOKVSGPC3Q6JDO3BB4G/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":"2026-08-21T22:27:17Z","links":{"resolver":"https://pith.science/pith/3KDQVKWMOKVSGPC3Q6JDO3BB4G","bundle":"https://pith.science/pith/3KDQVKWMOKVSGPC3Q6JDO3BB4G/bundle.json","state":"https://pith.science/pith/3KDQVKWMOKVSGPC3Q6JDO3BB4G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3KDQVKWMOKVSGPC3Q6JDO3BB4G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:3KDQVKWMOKVSGPC3Q6JDO3BB4G","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":"ec246b9963d053d5bc8d9d00147cc1ee4e2518dcda9a55f46e86391bc05e64ca","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-06T19:02:02Z","title_canon_sha256":"67a575dfcdd70cf7cb68db06edd6723a9213cc832770d0075d2854eb306d5b5d"},"schema_version":"1.0","source":{"id":"2312.03847","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.03847","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"arxiv_version","alias_value":"2312.03847v2","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.03847","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"pith_short_12","alias_value":"3KDQVKWMOKVS","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"pith_short_16","alias_value":"3KDQVKWMOKVSGPC3","created_at":"2026-07-05T08:08:19Z"},{"alias_kind":"pith_short_8","alias_value":"3KDQVKWM","created_at":"2026-07-05T08:08:19Z"}],"graph_snapshots":[{"event_id":"sha256:e7e2c9c8e529a654194d3f258de4651d6541d7ad6262ca3a21ccb2d790caf5f2","target":"graph","created_at":"2026-07-05T08:08:19Z","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/2312.03847/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The oldest stars in the Milky Way (born in the first few billion years) are expected to have a high density in the inner few kpc, spatially overlapping with the Galactic bulge. We use spectroscopic data from the Pristine Inner Galaxy Survey (PIGS) to study the dynamical properties of ancient, metal-poor inner Galaxy stars. We compute distances using StarHorse, and orbital properties in a barred Galactic potential. With this paper, we release the spectroscopic AAT/PIGS catalogue (13 235 stars). We find that most PIGS stars have orbits typical for a pressure-supported population. The fraction of","authors_text":"Anke Ardern-Arentsen, Anna B. A. Queiroz, Cristina Chiappini, Daniel B. Zucker, David S. Aguado, Else Starkenburg, Federico Sestito, Geraint F. Lewis, Giacomo Monari, GyuChul Myeong, Hanyuan Zhang, Kim A. Venn, Mathias Schultheis, Nicolas F. Martin, Ray Carlberg, Sara Vitali, Stephanie Monty, Sven Buder, Vasily Belokurov, William H. Oliver, Zhen Wan, Zhen Yuan","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-06T19:02:02Z","title":"The Pristine Inner Galaxy Survey (PIGS) VIII: Characterising the orbital properties of the ancient, very metal-poor inner Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.03847","kind":"arxiv","version":2},"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":"sha256:4f879e1ad3d599cc60e37d5fbb6105e6ce10a137b1ff657825e9ba8841c95929","target":"record","created_at":"2026-07-05T08:08:19Z","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":"ec246b9963d053d5bc8d9d00147cc1ee4e2518dcda9a55f46e86391bc05e64ca","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-12-06T19:02:02Z","title_canon_sha256":"67a575dfcdd70cf7cb68db06edd6723a9213cc832770d0075d2854eb306d5b5d"},"schema_version":"1.0","source":{"id":"2312.03847","kind":"arxiv","version":2}},"canonical_sha256":"da870aaacc72ab233c5b8792376c21e196455ccb0c305d0e952cb17ac9ac825b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da870aaacc72ab233c5b8792376c21e196455ccb0c305d0e952cb17ac9ac825b","first_computed_at":"2026-07-05T08:08:19.557548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:08:19.557548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9Vl/4eEco8npmu/Obqp+vKmc7PV+EEP8K6UUdboc8mVXaoX8OQhkqi1BhtUeyjShnadVfCux2Qo0sRAlTVKwDw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:08:19.558125Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.03847","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f879e1ad3d599cc60e37d5fbb6105e6ce10a137b1ff657825e9ba8841c95929","sha256:e7e2c9c8e529a654194d3f258de4651d6541d7ad6262ca3a21ccb2d790caf5f2"],"state_sha256":"9d81770b0ef1ef176af41e4fb660a5123a55289c41a75f2b0d96973bb17cdfd7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7sjdUJ1lvmNk1QPM752eC+RI3q4zc2C6QvnCu0d6U43SHiHw2WCtZiP/GZb+ekRuX+rGiiCPwx0NJ0soXhsdCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T22:27:17.264971Z","bundle_sha256":"585b5fd3ac73752a3264199a84c9e8e2d81fc3e6067d58cc11250ab5bdb5fc67"}}