{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:23Z3WYOYM37MSSXFF35SWERIB7","short_pith_number":"pith:23Z3WYOY","canonical_record":{"source":{"id":"1312.1759","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-06T02:45:54Z","cross_cats_sorted":[],"title_canon_sha256":"bfa192517850748bc96bc4ce364779790f2a15d594e4ada429191528842ed2ba","abstract_canon_sha256":"94f6e84bedc83c0b94fda7b5fef4db02679f1a409dede9d7a3e7536ae9f65181"},"schema_version":"1.0"},"canonical_sha256":"d6f3bb61d866fec94ae52efb2b12280fdae2f34e98f3882f5284d2d77a4b10f1","source":{"kind":"arxiv","id":"1312.1759","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.1759","created_at":"2026-05-18T01:45:57Z"},{"alias_kind":"arxiv_version","alias_value":"1312.1759v1","created_at":"2026-05-18T01:45:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.1759","created_at":"2026-05-18T01:45:57Z"},{"alias_kind":"pith_short_12","alias_value":"23Z3WYOYM37M","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"23Z3WYOYM37MSSXF","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"23Z3WYOY","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:23Z3WYOYM37MSSXFF35SWERIB7","target":"record","payload":{"canonical_record":{"source":{"id":"1312.1759","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-06T02:45:54Z","cross_cats_sorted":[],"title_canon_sha256":"bfa192517850748bc96bc4ce364779790f2a15d594e4ada429191528842ed2ba","abstract_canon_sha256":"94f6e84bedc83c0b94fda7b5fef4db02679f1a409dede9d7a3e7536ae9f65181"},"schema_version":"1.0"},"canonical_sha256":"d6f3bb61d866fec94ae52efb2b12280fdae2f34e98f3882f5284d2d77a4b10f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:57.988693Z","signature_b64":"RYaAaVlqeFZwS2apZp6J9T41CP/tf+fmONh5Te4kvv1rc+azXTrf7VW3f+Kg6kOAWR/oC0edfgzP9LjsiwxwDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6f3bb61d866fec94ae52efb2b12280fdae2f34e98f3882f5284d2d77a4b10f1","last_reissued_at":"2026-05-18T01:45:57.988204Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:57.988204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1312.1759","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":"2026-05-18T01:45:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hSJe+xrnjcJvCb5LwAIK8e6wupm6rWNo0JROJbBWZZyLxKisx4qsUbiCkktRTGDRmqBw59EqbdDkVCav1siiDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:00:08.127045Z"},"content_sha256":"0f67cf4d61c02d695600887584640de76c80c6166089983178f7292702a3ad8d","schema_version":"1.0","event_id":"sha256:0f67cf4d61c02d695600887584640de76c80c6166089983178f7292702a3ad8d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:23Z3WYOYM37MSSXFF35SWERIB7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantitative chemical tagging, stellar ages and the chemo-dynamical evolution of the Galactic disc","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2, 2), (2) Department of Physics, 3), (3) Australian Astronomical Observatory, (4) Lund Observatory, Astronomy, Astrophotonics, Astrophysics, A. W. Mitschang (1, B. Anguiano (1, D. B. Zucker (1, Department of Astronomy, G. De Silva (3), Macquarie University, S. Feltzing (4) ((1) Macquarie University Research Centre in Astronomy, T. Bensby (4), Theoretical Physics)","submitted_at":"2013-12-06T02:45:54Z","abstract_excerpt":"The early science results from the new generation of high-resolution stellar spectroscopic surveys, such as GALAH and the Gaia-ESO survey, will represent major milestones in the quest to chemically tag the Galaxy. Yet this technique to reconstruct dispersed coeval stellar groups has remained largely untested until recently. We build on previous work that developed an empirical chemical tagging probability function, which describes the likelihood that two field stars are conatal, that is, they were formed in the same cluster environment. In this work we perform the first ever blind chemical tag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.1759","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":"2026-05-18T01:45:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P7phFKNW2ooxsZOqqah5AwHlWXVQmnZrKPhbBsKUlQuzgulVq8r7I1MQC22VBjbDCmvf4IaoMAZwZ3Z+J3HhDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:00:08.127782Z"},"content_sha256":"28f3fc7de78e43985ddf4f26fc70197585d85e33a5c36f12693ef664dbdd0f7d","schema_version":"1.0","event_id":"sha256:28f3fc7de78e43985ddf4f26fc70197585d85e33a5c36f12693ef664dbdd0f7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/23Z3WYOYM37MSSXFF35SWERIB7/bundle.json","state_url":"https://pith.science/pith/23Z3WYOYM37MSSXFF35SWERIB7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/23Z3WYOYM37MSSXFF35SWERIB7/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":"2026-05-25T14:00:08Z","links":{"resolver":"https://pith.science/pith/23Z3WYOYM37MSSXFF35SWERIB7","bundle":"https://pith.science/pith/23Z3WYOYM37MSSXFF35SWERIB7/bundle.json","state":"https://pith.science/pith/23Z3WYOYM37MSSXFF35SWERIB7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/23Z3WYOYM37MSSXFF35SWERIB7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:23Z3WYOYM37MSSXFF35SWERIB7","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":"94f6e84bedc83c0b94fda7b5fef4db02679f1a409dede9d7a3e7536ae9f65181","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-06T02:45:54Z","title_canon_sha256":"bfa192517850748bc96bc4ce364779790f2a15d594e4ada429191528842ed2ba"},"schema_version":"1.0","source":{"id":"1312.1759","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.1759","created_at":"2026-05-18T01:45:57Z"},{"alias_kind":"arxiv_version","alias_value":"1312.1759v1","created_at":"2026-05-18T01:45:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.1759","created_at":"2026-05-18T01:45:57Z"},{"alias_kind":"pith_short_12","alias_value":"23Z3WYOYM37M","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"23Z3WYOYM37MSSXF","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"23Z3WYOY","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:28f3fc7de78e43985ddf4f26fc70197585d85e33a5c36f12693ef664dbdd0f7d","target":"graph","created_at":"2026-05-18T01:45:57Z","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":"The early science results from the new generation of high-resolution stellar spectroscopic surveys, such as GALAH and the Gaia-ESO survey, will represent major milestones in the quest to chemically tag the Galaxy. Yet this technique to reconstruct dispersed coeval stellar groups has remained largely untested until recently. We build on previous work that developed an empirical chemical tagging probability function, which describes the likelihood that two field stars are conatal, that is, they were formed in the same cluster environment. In this work we perform the first ever blind chemical tag","authors_text":"2, 2), (2) Department of Physics, 3), (3) Australian Astronomical Observatory, (4) Lund Observatory, Astronomy, Astrophotonics, Astrophysics, A. W. Mitschang (1, B. Anguiano (1, D. B. Zucker (1, Department of Astronomy, G. De Silva (3), Macquarie University, S. Feltzing (4) ((1) Macquarie University Research Centre in Astronomy, T. Bensby (4), Theoretical Physics)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-06T02:45:54Z","title":"Quantitative chemical tagging, stellar ages and the chemo-dynamical evolution of the Galactic disc"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.1759","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":"sha256:0f67cf4d61c02d695600887584640de76c80c6166089983178f7292702a3ad8d","target":"record","created_at":"2026-05-18T01:45:57Z","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":"94f6e84bedc83c0b94fda7b5fef4db02679f1a409dede9d7a3e7536ae9f65181","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2013-12-06T02:45:54Z","title_canon_sha256":"bfa192517850748bc96bc4ce364779790f2a15d594e4ada429191528842ed2ba"},"schema_version":"1.0","source":{"id":"1312.1759","kind":"arxiv","version":1}},"canonical_sha256":"d6f3bb61d866fec94ae52efb2b12280fdae2f34e98f3882f5284d2d77a4b10f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6f3bb61d866fec94ae52efb2b12280fdae2f34e98f3882f5284d2d77a4b10f1","first_computed_at":"2026-05-18T01:45:57.988204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:57.988204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RYaAaVlqeFZwS2apZp6J9T41CP/tf+fmONh5Te4kvv1rc+azXTrf7VW3f+Kg6kOAWR/oC0edfgzP9LjsiwxwDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:57.988693Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.1759","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f67cf4d61c02d695600887584640de76c80c6166089983178f7292702a3ad8d","sha256:28f3fc7de78e43985ddf4f26fc70197585d85e33a5c36f12693ef664dbdd0f7d"],"state_sha256":"9aa0ae589f19250f61692bfa321d7bdba4d44a2cfbcd6d26c0012f5cbdc2de1e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G2+YZzF4GBU+JpYbYGbbRTF2s/wMixs+SqQy6KJq/4M5qBU2ByzqbAb0rXcGEcTnwBses3Ztya6sVI+zy6HpBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T14:00:08.131705Z","bundle_sha256":"90ae46ccdf6878b28aa6571ab45a38e5a964bbe64f78bb49a45e8a8e65fba0d1"}}