{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:N6MM3CDAHQZONYJ7M3657IMD5T","short_pith_number":"pith:N6MM3CDA","canonical_record":{"source":{"id":"1101.5092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-26T15:54:10Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"edcea7e9655e8ed9f67c94f38b6d307ce574c863d010c3c1d53c617e143ab51c","abstract_canon_sha256":"4f4d409643ef413a36ea711f2b0bd4d8db0b496675fd2e068921956fa383fbfb"},"schema_version":"1.0"},"canonical_sha256":"6f98cd88603c32e6e13f66fddfa183ecf2c7e1eaa8fe6f4dedcb61f854e9e8a8","source":{"kind":"arxiv","id":"1101.5092","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5092","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5092v1","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5092","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"pith_short_12","alias_value":"N6MM3CDAHQZO","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"N6MM3CDAHQZONYJ7","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"N6MM3CDA","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:N6MM3CDAHQZONYJ7M3657IMD5T","target":"record","payload":{"canonical_record":{"source":{"id":"1101.5092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-26T15:54:10Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"edcea7e9655e8ed9f67c94f38b6d307ce574c863d010c3c1d53c617e143ab51c","abstract_canon_sha256":"4f4d409643ef413a36ea711f2b0bd4d8db0b496675fd2e068921956fa383fbfb"},"schema_version":"1.0"},"canonical_sha256":"6f98cd88603c32e6e13f66fddfa183ecf2c7e1eaa8fe6f4dedcb61f854e9e8a8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:21.939686Z","signature_b64":"d6nEZ4UmUylrpoQA3mmoPVwTtGEIpqS6fm0KytB9mpKl41LG/6WgVSeNFbT9v4F+XZrnnlCOBxJCKZ5gQzjzAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f98cd88603c32e6e13f66fddfa183ecf2c7e1eaa8fe6f4dedcb61f854e9e8a8","last_reissued_at":"2026-05-18T02:03:21.938981Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:21.938981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.5092","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":"2026-05-18T02:03:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Wrjgluo/7tqdqXe3IQooy6AbNs5gKfDty38hcGdpyuWlTQCNgtbi3gBtNg/BosBCMABBR3hf87jZ6+Dw7/+DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T00:56:33.148445Z"},"content_sha256":"719a189d274a4951105a5e4e288842c1999ff492d9551c3f330e9af23b9ef348","schema_version":"1.0","event_id":"sha256:719a189d274a4951105a5e4e288842c1999ff492d9551c3f330e9af23b9ef348"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:N6MM3CDAHQZONYJ7M3657IMD5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unravelling the origins of S0 galaxies using maximum likelihood analysis of planetary nebulae kinematics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Cortesi, A. J. Romanowsky, I. Martinez-Valpuesta, K. C. Freeman, K. Kuijken, K. Saha, L. Coccato, M. Arnaboldi, M. Capaccioli, M. R. Merrifield, N. G. Douglas, N. R. Napolitano, O. Gerhard, P. Das, S. Bamford","submitted_at":"2011-01-26T15:54:10Z","abstract_excerpt":"To investigate the origins of S0 galaxies, we present a new method of analyzing their stellar kinematics from discrete tracers such as planetary nebulae. This method involves binning the data in the radial direction so as to extract the most general possible non-parametric kinematic profiles, and using a maximum likelihood fit within each bin in order to make full use of the information in the discrete kinematic tracers. Both disk and spheroid kinematic components are fitted, with a two-dimensional decomposition of imaging data used to attribute to each tracer a probability of membership in th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5092","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":"2026-05-18T02:03:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ir44GluHr4XPTMVbf6xIhNLKmtgCUQdYNthEHcY1vQZ88SRRYj29syp7ux2y4ZLWs9WkoLRSB+4wzSPt5x2IBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T00:56:33.149059Z"},"content_sha256":"ce64d8409b0d75f1c01c91ffa507f1200302b0c8c61284abcfa17db1d076aebe","schema_version":"1.0","event_id":"sha256:ce64d8409b0d75f1c01c91ffa507f1200302b0c8c61284abcfa17db1d076aebe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N6MM3CDAHQZONYJ7M3657IMD5T/bundle.json","state_url":"https://pith.science/pith/N6MM3CDAHQZONYJ7M3657IMD5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N6MM3CDAHQZONYJ7M3657IMD5T/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":"2026-05-25T00:56:33Z","links":{"resolver":"https://pith.science/pith/N6MM3CDAHQZONYJ7M3657IMD5T","bundle":"https://pith.science/pith/N6MM3CDAHQZONYJ7M3657IMD5T/bundle.json","state":"https://pith.science/pith/N6MM3CDAHQZONYJ7M3657IMD5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N6MM3CDAHQZONYJ7M3657IMD5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:N6MM3CDAHQZONYJ7M3657IMD5T","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":"4f4d409643ef413a36ea711f2b0bd4d8db0b496675fd2e068921956fa383fbfb","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-26T15:54:10Z","title_canon_sha256":"edcea7e9655e8ed9f67c94f38b6d307ce574c863d010c3c1d53c617e143ab51c"},"schema_version":"1.0","source":{"id":"1101.5092","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5092","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5092v1","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5092","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"pith_short_12","alias_value":"N6MM3CDAHQZO","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"N6MM3CDAHQZONYJ7","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"N6MM3CDA","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:ce64d8409b0d75f1c01c91ffa507f1200302b0c8c61284abcfa17db1d076aebe","target":"graph","created_at":"2026-05-18T02:03:21Z","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":"To investigate the origins of S0 galaxies, we present a new method of analyzing their stellar kinematics from discrete tracers such as planetary nebulae. This method involves binning the data in the radial direction so as to extract the most general possible non-parametric kinematic profiles, and using a maximum likelihood fit within each bin in order to make full use of the information in the discrete kinematic tracers. Both disk and spheroid kinematic components are fitted, with a two-dimensional decomposition of imaging data used to attribute to each tracer a probability of membership in th","authors_text":"A. Cortesi, A. J. Romanowsky, I. Martinez-Valpuesta, K. C. Freeman, K. Kuijken, K. Saha, L. Coccato, M. Arnaboldi, M. Capaccioli, M. R. Merrifield, N. G. Douglas, N. R. Napolitano, O. Gerhard, P. Das, S. Bamford","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-26T15:54:10Z","title":"Unravelling the origins of S0 galaxies using maximum likelihood analysis of planetary nebulae kinematics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5092","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":"sha256:719a189d274a4951105a5e4e288842c1999ff492d9551c3f330e9af23b9ef348","target":"record","created_at":"2026-05-18T02:03:21Z","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":"4f4d409643ef413a36ea711f2b0bd4d8db0b496675fd2e068921956fa383fbfb","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-26T15:54:10Z","title_canon_sha256":"edcea7e9655e8ed9f67c94f38b6d307ce574c863d010c3c1d53c617e143ab51c"},"schema_version":"1.0","source":{"id":"1101.5092","kind":"arxiv","version":1}},"canonical_sha256":"6f98cd88603c32e6e13f66fddfa183ecf2c7e1eaa8fe6f4dedcb61f854e9e8a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f98cd88603c32e6e13f66fddfa183ecf2c7e1eaa8fe6f4dedcb61f854e9e8a8","first_computed_at":"2026-05-18T02:03:21.938981Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:21.938981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d6nEZ4UmUylrpoQA3mmoPVwTtGEIpqS6fm0KytB9mpKl41LG/6WgVSeNFbT9v4F+XZrnnlCOBxJCKZ5gQzjzAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:21.939686Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.5092","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:719a189d274a4951105a5e4e288842c1999ff492d9551c3f330e9af23b9ef348","sha256:ce64d8409b0d75f1c01c91ffa507f1200302b0c8c61284abcfa17db1d076aebe"],"state_sha256":"8d2f03dc749830325c81f1911aca2c89f5ebee6a9a5feff502f553c53f80f432"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PUmqeDbTGPk2lcx4U/Oj19c61aw/kY5HyUQ8e6yeyV/Job0LqCYV0J7+01Qx/ENobjIwYxaDzUai91M4BLvWAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T00:56:33.152264Z","bundle_sha256":"d9cdd988654f6bb0086d03b565462f9c3fdc963491e6d0e23168ca7531352c53"}}