{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QGJ55MAP2CE27UJVPOGBYXDIZ6","short_pith_number":"pith:QGJ55MAP","canonical_record":{"source":{"id":"1901.06350","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-18T17:36:32Z","cross_cats_sorted":[],"title_canon_sha256":"350c15739bb2d7d8c6b26cc224439c5f1ea8dc21591c8b2dfe21398e8d7e803d","abstract_canon_sha256":"f2aee08dae3c0d9779a2b36504a0dc9c811e67034e001d7380765a891cb7804a"},"schema_version":"1.0"},"canonical_sha256":"8193deb00fd089afd1357b8c1c5c68cfa9db116106b02ec526e41643fc907049","source":{"kind":"arxiv","id":"1901.06350","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.06350","created_at":"2026-05-17T23:55:16Z"},{"alias_kind":"arxiv_version","alias_value":"1901.06350v1","created_at":"2026-05-17T23:55:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06350","created_at":"2026-05-17T23:55:16Z"},{"alias_kind":"pith_short_12","alias_value":"QGJ55MAP2CE2","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QGJ55MAP2CE27UJV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QGJ55MAP","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QGJ55MAP2CE27UJVPOGBYXDIZ6","target":"record","payload":{"canonical_record":{"source":{"id":"1901.06350","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-18T17:36:32Z","cross_cats_sorted":[],"title_canon_sha256":"350c15739bb2d7d8c6b26cc224439c5f1ea8dc21591c8b2dfe21398e8d7e803d","abstract_canon_sha256":"f2aee08dae3c0d9779a2b36504a0dc9c811e67034e001d7380765a891cb7804a"},"schema_version":"1.0"},"canonical_sha256":"8193deb00fd089afd1357b8c1c5c68cfa9db116106b02ec526e41643fc907049","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:16.790463Z","signature_b64":"208Q55KtYwgAoxP5iNjBUG4N0ISOrFWWhwKJa6AQhxC12pFHpgLtDsnKZZwnwNatxfq65HQP1hnCQcMmDmypBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8193deb00fd089afd1357b8c1c5c68cfa9db116106b02ec526e41643fc907049","last_reissued_at":"2026-05-17T23:55:16.789840Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:16.789840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.06350","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":"2026-05-17T23:55:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3ZFBq983ZCl9uBNvFQ+QNSu8FFw9kQVaK4q9lK4LrKmoV7APtKSj9KPmJmZ/jRCu0UCzl3OVIbVMZkxbCJEPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T11:11:54.841137Z"},"content_sha256":"f7aa20092a5f242ade38bfcc9069a505d5349b3016f80c6452f027b1dcb841b2","schema_version":"1.0","event_id":"sha256:f7aa20092a5f242ade38bfcc9069a505d5349b3016f80c6452f027b1dcb841b2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QGJ55MAP2CE27UJVPOGBYXDIZ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Milky Way like galaxy NGC 6384 and its nuclear star cluster at high NIR spatial resolution using LBT/ARGOS commissioning data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Diethard Peter, Gilles Orban De Xivry, Gustavo Rahmer, Holger Baumgardt, Iskren Y. Georgiev, Jose Borelli, Julian Ziegleder, Lorenzo Busoni, Marco Bonaglia, Martin Kulas, Michael Lefebvre, Nadine Neumayer, Sebastian Rabien, Wolfgang Gaessler","submitted_at":"2019-01-18T17:36:32Z","abstract_excerpt":"We analyse high spatial resolution near infra-red (NIR) imaging of NGC6384, a Milky Way like galaxy, using ARGOS commissioning data at the Large Binocular Telescope (LBT). ARGOS provides a stable PSF$_{\\rm FWHM}\\!=\\!0.2\"\\!-\\!0.3\"$ AO correction of the ground layer across the LUCI2 NIR camera $4'\\!\\times4'$ field by using six laser guide stars (three per telescope) and a natural guide star for tip-tilt sensing and guiding. Enabled by this high spatial resolution we analyse the structure of the nuclear star cluster (NSC) and the central kiloparsec of NGC6384. We find via 2D modelling that the NS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06350","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":"2026-05-17T23:55:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cHtqrZUpCAsTXPsfOt/mFO5Ha/l7SmSZJkywINhHOQtoBrKiNalWWbv32LDC9VbqUI5CRZByK+IMUS2+MYRAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T11:11:54.841515Z"},"content_sha256":"37bb4085993ed4a3054af3a1fcd16cc123cb3d14d8d375e66b9c65052b89b3dc","schema_version":"1.0","event_id":"sha256:37bb4085993ed4a3054af3a1fcd16cc123cb3d14d8d375e66b9c65052b89b3dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGJ55MAP2CE27UJVPOGBYXDIZ6/bundle.json","state_url":"https://pith.science/pith/QGJ55MAP2CE27UJVPOGBYXDIZ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGJ55MAP2CE27UJVPOGBYXDIZ6/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":"2026-06-04T11:11:54Z","links":{"resolver":"https://pith.science/pith/QGJ55MAP2CE27UJVPOGBYXDIZ6","bundle":"https://pith.science/pith/QGJ55MAP2CE27UJVPOGBYXDIZ6/bundle.json","state":"https://pith.science/pith/QGJ55MAP2CE27UJVPOGBYXDIZ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGJ55MAP2CE27UJVPOGBYXDIZ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QGJ55MAP2CE27UJVPOGBYXDIZ6","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":"f2aee08dae3c0d9779a2b36504a0dc9c811e67034e001d7380765a891cb7804a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-18T17:36:32Z","title_canon_sha256":"350c15739bb2d7d8c6b26cc224439c5f1ea8dc21591c8b2dfe21398e8d7e803d"},"schema_version":"1.0","source":{"id":"1901.06350","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.06350","created_at":"2026-05-17T23:55:16Z"},{"alias_kind":"arxiv_version","alias_value":"1901.06350v1","created_at":"2026-05-17T23:55:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.06350","created_at":"2026-05-17T23:55:16Z"},{"alias_kind":"pith_short_12","alias_value":"QGJ55MAP2CE2","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QGJ55MAP2CE27UJV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QGJ55MAP","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:37bb4085993ed4a3054af3a1fcd16cc123cb3d14d8d375e66b9c65052b89b3dc","target":"graph","created_at":"2026-05-17T23:55:16Z","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":"We analyse high spatial resolution near infra-red (NIR) imaging of NGC6384, a Milky Way like galaxy, using ARGOS commissioning data at the Large Binocular Telescope (LBT). ARGOS provides a stable PSF$_{\\rm FWHM}\\!=\\!0.2\"\\!-\\!0.3\"$ AO correction of the ground layer across the LUCI2 NIR camera $4'\\!\\times4'$ field by using six laser guide stars (three per telescope) and a natural guide star for tip-tilt sensing and guiding. Enabled by this high spatial resolution we analyse the structure of the nuclear star cluster (NSC) and the central kiloparsec of NGC6384. We find via 2D modelling that the NS","authors_text":"Diethard Peter, Gilles Orban De Xivry, Gustavo Rahmer, Holger Baumgardt, Iskren Y. Georgiev, Jose Borelli, Julian Ziegleder, Lorenzo Busoni, Marco Bonaglia, Martin Kulas, Michael Lefebvre, Nadine Neumayer, Sebastian Rabien, Wolfgang Gaessler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-18T17:36:32Z","title":"The Milky Way like galaxy NGC 6384 and its nuclear star cluster at high NIR spatial resolution using LBT/ARGOS commissioning data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.06350","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:f7aa20092a5f242ade38bfcc9069a505d5349b3016f80c6452f027b1dcb841b2","target":"record","created_at":"2026-05-17T23:55:16Z","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":"f2aee08dae3c0d9779a2b36504a0dc9c811e67034e001d7380765a891cb7804a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-18T17:36:32Z","title_canon_sha256":"350c15739bb2d7d8c6b26cc224439c5f1ea8dc21591c8b2dfe21398e8d7e803d"},"schema_version":"1.0","source":{"id":"1901.06350","kind":"arxiv","version":1}},"canonical_sha256":"8193deb00fd089afd1357b8c1c5c68cfa9db116106b02ec526e41643fc907049","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8193deb00fd089afd1357b8c1c5c68cfa9db116106b02ec526e41643fc907049","first_computed_at":"2026-05-17T23:55:16.789840Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:16.789840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"208Q55KtYwgAoxP5iNjBUG4N0ISOrFWWhwKJa6AQhxC12pFHpgLtDsnKZZwnwNatxfq65HQP1hnCQcMmDmypBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:16.790463Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.06350","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f7aa20092a5f242ade38bfcc9069a505d5349b3016f80c6452f027b1dcb841b2","sha256:37bb4085993ed4a3054af3a1fcd16cc123cb3d14d8d375e66b9c65052b89b3dc"],"state_sha256":"1d55420b0dd1801ceb9f856938b8c40ec55fed96954a7ca71996825c3d97a21f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RpV0vWZS8jOQNmpVj0J6F2lrjzgZyWCgb8OBvK0xjzNFqZTC12W1YXsn51BxV9vLnFDp4k0h3YrmMoUn9DLLAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T11:11:54.843567Z","bundle_sha256":"4dafdc946f3599b02906dce3164578dea9429e5401de1f81ede10b175e8a9580"}}