{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:GBGNGDF27HMZG7PR7IOJ7Q3NEB","short_pith_number":"pith:GBGNGDF2","canonical_record":{"source":{"id":"2309.15902","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-27T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"30687d7f7d5b70181dd4f836a522b62f13e9cbc0d919c44014709881fad43f03","abstract_canon_sha256":"5bb49fc590896b3216c8bb142d10afeb1ef6c688496f62b11b36854aceb88059"},"schema_version":"1.0"},"canonical_sha256":"304cd30cbaf9d9937df1fa1c9fc36d207feeebc07cb63078b4dd748192a99dc0","source":{"kind":"arxiv","id":"2309.15902","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.15902","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"arxiv_version","alias_value":"2309.15902v1","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.15902","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"pith_short_12","alias_value":"GBGNGDF27HMZ","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"pith_short_16","alias_value":"GBGNGDF27HMZG7PR","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"pith_short_8","alias_value":"GBGNGDF2","created_at":"2026-07-05T06:55:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:GBGNGDF27HMZG7PR7IOJ7Q3NEB","target":"record","payload":{"canonical_record":{"source":{"id":"2309.15902","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-27T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"30687d7f7d5b70181dd4f836a522b62f13e9cbc0d919c44014709881fad43f03","abstract_canon_sha256":"5bb49fc590896b3216c8bb142d10afeb1ef6c688496f62b11b36854aceb88059"},"schema_version":"1.0"},"canonical_sha256":"304cd30cbaf9d9937df1fa1c9fc36d207feeebc07cb63078b4dd748192a99dc0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:55:08.074865Z","signature_b64":"S1kNrX5nk/lueq2Ze28lbaGvMXTkc2SgkKbRhvZnXZ1vRn3sJmj9KeSFyx+ybVaLTZyT/yhGlFLT7tQrkaLbDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"304cd30cbaf9d9937df1fa1c9fc36d207feeebc07cb63078b4dd748192a99dc0","last_reissued_at":"2026-07-05T06:55:08.074456Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:55:08.074456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.15902","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":"2026-07-05T06:55:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9A/LXolLNRW7l4UjxxOACysFzvXf7jwn0IjgHWUWcntM2LDtaAuTRyn8boZaSRsr4iL5FLndCd+VnaiNynM9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:30:47.215294Z"},"content_sha256":"5a8f2e49522fd9ff10cfa3d5612a0282cd5af368cea9a8bba756433520e5eca5","schema_version":"1.0","event_id":"sha256:5a8f2e49522fd9ff10cfa3d5612a0282cd5af368cea9a8bba756433520e5eca5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:GBGNGDF27HMZG7PR7IOJ7Q3NEB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"In-situ vs accreted Milky Way globular clusters: a new classification method and implications for cluster formation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrey Kravtsov, Vasily Belokurov","submitted_at":"2023-09-27T18:00:01Z","abstract_excerpt":"We present a new scheme for the classification of the in-situ and accreted globular clusters (GCs). The scheme uses total energy $E$ and $z$-component of the orbital angular momentum and is calibrated using [Al/Fe] abundance ratio. We demonstrate that such classification results in the GC populations with distinct spatial, kinematic, and chemical abundance distributions. The in-situ GCs are distributed within the central 10 kpc of the Galaxy in a flattened configuration aligned with the MW disc, while the accreted GCs have a wide distribution of distances and a spatial distribution close to sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.15902","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/2309.15902/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":"2026-07-05T06:55:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KxSJrXJo1O8cKxnHN8WudtBk1ubgYyjaGcbcRU2BliGfB/tW4R+P+2fIEMKiKqnWv5jHx6f29bMnraoIssLABw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:30:47.215624Z"},"content_sha256":"9ad92adc6e48e0157ca375af302dea65332b6306bff9de6e0fd3e1dd1b08c1f7","schema_version":"1.0","event_id":"sha256:9ad92adc6e48e0157ca375af302dea65332b6306bff9de6e0fd3e1dd1b08c1f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GBGNGDF27HMZG7PR7IOJ7Q3NEB/bundle.json","state_url":"https://pith.science/pith/GBGNGDF27HMZG7PR7IOJ7Q3NEB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GBGNGDF27HMZG7PR7IOJ7Q3NEB/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":"2026-08-06T04:30:47Z","links":{"resolver":"https://pith.science/pith/GBGNGDF27HMZG7PR7IOJ7Q3NEB","bundle":"https://pith.science/pith/GBGNGDF27HMZG7PR7IOJ7Q3NEB/bundle.json","state":"https://pith.science/pith/GBGNGDF27HMZG7PR7IOJ7Q3NEB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GBGNGDF27HMZG7PR7IOJ7Q3NEB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:GBGNGDF27HMZG7PR7IOJ7Q3NEB","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":"5bb49fc590896b3216c8bb142d10afeb1ef6c688496f62b11b36854aceb88059","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-27T18:00:01Z","title_canon_sha256":"30687d7f7d5b70181dd4f836a522b62f13e9cbc0d919c44014709881fad43f03"},"schema_version":"1.0","source":{"id":"2309.15902","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.15902","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"arxiv_version","alias_value":"2309.15902v1","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.15902","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"pith_short_12","alias_value":"GBGNGDF27HMZ","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"pith_short_16","alias_value":"GBGNGDF27HMZG7PR","created_at":"2026-07-05T06:55:08Z"},{"alias_kind":"pith_short_8","alias_value":"GBGNGDF2","created_at":"2026-07-05T06:55:08Z"}],"graph_snapshots":[{"event_id":"sha256:9ad92adc6e48e0157ca375af302dea65332b6306bff9de6e0fd3e1dd1b08c1f7","target":"graph","created_at":"2026-07-05T06:55:08Z","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/2309.15902/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a new scheme for the classification of the in-situ and accreted globular clusters (GCs). The scheme uses total energy $E$ and $z$-component of the orbital angular momentum and is calibrated using [Al/Fe] abundance ratio. We demonstrate that such classification results in the GC populations with distinct spatial, kinematic, and chemical abundance distributions. The in-situ GCs are distributed within the central 10 kpc of the Galaxy in a flattened configuration aligned with the MW disc, while the accreted GCs have a wide distribution of distances and a spatial distribution close to sp","authors_text":"Andrey Kravtsov, Vasily Belokurov","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-27T18:00:01Z","title":"In-situ vs accreted Milky Way globular clusters: a new classification method and implications for cluster formation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.15902","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":"sha256:5a8f2e49522fd9ff10cfa3d5612a0282cd5af368cea9a8bba756433520e5eca5","target":"record","created_at":"2026-07-05T06:55:08Z","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":"5bb49fc590896b3216c8bb142d10afeb1ef6c688496f62b11b36854aceb88059","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-27T18:00:01Z","title_canon_sha256":"30687d7f7d5b70181dd4f836a522b62f13e9cbc0d919c44014709881fad43f03"},"schema_version":"1.0","source":{"id":"2309.15902","kind":"arxiv","version":1}},"canonical_sha256":"304cd30cbaf9d9937df1fa1c9fc36d207feeebc07cb63078b4dd748192a99dc0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"304cd30cbaf9d9937df1fa1c9fc36d207feeebc07cb63078b4dd748192a99dc0","first_computed_at":"2026-07-05T06:55:08.074456Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:55:08.074456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S1kNrX5nk/lueq2Ze28lbaGvMXTkc2SgkKbRhvZnXZ1vRn3sJmj9KeSFyx+ybVaLTZyT/yhGlFLT7tQrkaLbDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:55:08.074865Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.15902","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a8f2e49522fd9ff10cfa3d5612a0282cd5af368cea9a8bba756433520e5eca5","sha256:9ad92adc6e48e0157ca375af302dea65332b6306bff9de6e0fd3e1dd1b08c1f7"],"state_sha256":"87f2ce83801c3193e824db9442e36d491efbc1b31749c5fa5ce57e003d11f0ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l8EvZOlMB34d0Fq2kl3SwXrH4OU7VYYW9X/ofg2DErD9YMxzhU4rIKcTS8M5z0RC/B1wVDTBkC0Uv+1B4ec2CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T04:30:47.218672Z","bundle_sha256":"d6d9c6281ff589fcdfeb63227db7d3f96abcbf677fa9625152c5b91b78d9feaa"}}