{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5ZPA33GM33INYJRYKWGWAOXUEW","short_pith_number":"pith:5ZPA33GM","canonical_record":{"source":{"id":"1803.03276","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-08T19:00:34Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"1bcfb7aa37c02466d3554ed6216443ba220d9f9c52e6ae92fa316fe7a5df14eb","abstract_canon_sha256":"0442c19de57ad9e20b9241f13dc2a79a860cbed53ecb4ebd4657f849761a3bd7"},"schema_version":"1.0"},"canonical_sha256":"ee5e0decccded0dc2638558d603af425a2c599a2757f2944ca0214dab057e901","source":{"kind":"arxiv","id":"1803.03276","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03276","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03276v2","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03276","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"pith_short_12","alias_value":"5ZPA33GM33IN","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5ZPA33GM33INYJRY","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5ZPA33GM","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5ZPA33GM33INYJRYKWGWAOXUEW","target":"record","payload":{"canonical_record":{"source":{"id":"1803.03276","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-08T19:00:34Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"1bcfb7aa37c02466d3554ed6216443ba220d9f9c52e6ae92fa316fe7a5df14eb","abstract_canon_sha256":"0442c19de57ad9e20b9241f13dc2a79a860cbed53ecb4ebd4657f849761a3bd7"},"schema_version":"1.0"},"canonical_sha256":"ee5e0decccded0dc2638558d603af425a2c599a2757f2944ca0214dab057e901","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:01.578980Z","signature_b64":"CkdfYJ3jCTOD5ea2RutX45XuBKFmdZXmz65FnEarH/80YG4cWR7Vdsm2kvyBT/HsLNtDxaIyj51dVeXRsobhBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee5e0decccded0dc2638558d603af425a2c599a2757f2944ca0214dab057e901","last_reissued_at":"2026-05-18T00:20:01.578131Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:01.578131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.03276","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":"2026-05-18T00:20:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Al1OopDSk4yp9RMgcDSgPSl3sXAGnl3UHgHYldr9beWFyCnRiASTnElQm3xnNyUvjPOIybgy+NMFTop62ziuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:01:00.059934Z"},"content_sha256":"8afac861c1bb37bb8bfcf1fd62cb8d2790fd67c4fe14ba86f9182872a1257409","schema_version":"1.0","event_id":"sha256:8afac861c1bb37bb8bfcf1fd62cb8d2790fd67c4fe14ba86f9182872a1257409"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5ZPA33GM33INYJRYKWGWAOXUEW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Fornax Cluster VLT Spectroscopic Survey II - Planetary Nebulae kinematics within 200 kpc of the cluster core","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"C.Spiniello, C.Tortora, E. Iodice, L. Coccato, M.Arnaboldi, M. Cantiello, M. Capaccioli, M. Paolillo, M. Spavone, N.R.Napolitano, O. Gerhard, P.Schipani, R. Peletier","submitted_at":"2018-03-08T19:00:34Z","abstract_excerpt":"We present the largest and most spatially extended planetary nebulae (PNe) catalog ever obtained for the Fornax cluster. We measured velocities of 1452 PNe out to 200 kpc in the cluster core using a counter-dispersed slitless spectroscopic technique with data from FORS2 on the VLT. With such extended spatial coverage, we can study separately the stellar halos of some of the cluster main galaxies and the intracluster light. In this second paper of the Fornax Cluster VLT Spectroscopic Survey (FVSS), we identify and classify the emission-line sources, describe the method to select PNe and calcula"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03276","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":""},"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":"2026-05-18T00:20:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FbV8PWKXcwIzqRorRvTBpaoduxgCZHN88Wm5ytIo5Jv+5hjYODNMbLkG/CKTegMAoiw5SULKA328ST1uxnQcDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:01:00.060290Z"},"content_sha256":"ea99cc66f2b21a5a01aa42c51f50e94682afa5cf23b7106a5698d17252e3d625","schema_version":"1.0","event_id":"sha256:ea99cc66f2b21a5a01aa42c51f50e94682afa5cf23b7106a5698d17252e3d625"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5ZPA33GM33INYJRYKWGWAOXUEW/bundle.json","state_url":"https://pith.science/pith/5ZPA33GM33INYJRYKWGWAOXUEW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5ZPA33GM33INYJRYKWGWAOXUEW/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":"2026-05-26T21:01:00Z","links":{"resolver":"https://pith.science/pith/5ZPA33GM33INYJRYKWGWAOXUEW","bundle":"https://pith.science/pith/5ZPA33GM33INYJRYKWGWAOXUEW/bundle.json","state":"https://pith.science/pith/5ZPA33GM33INYJRYKWGWAOXUEW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5ZPA33GM33INYJRYKWGWAOXUEW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5ZPA33GM33INYJRYKWGWAOXUEW","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":"0442c19de57ad9e20b9241f13dc2a79a860cbed53ecb4ebd4657f849761a3bd7","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-08T19:00:34Z","title_canon_sha256":"1bcfb7aa37c02466d3554ed6216443ba220d9f9c52e6ae92fa316fe7a5df14eb"},"schema_version":"1.0","source":{"id":"1803.03276","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03276","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03276v2","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03276","created_at":"2026-05-18T00:20:01Z"},{"alias_kind":"pith_short_12","alias_value":"5ZPA33GM33IN","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5ZPA33GM33INYJRY","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5ZPA33GM","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:ea99cc66f2b21a5a01aa42c51f50e94682afa5cf23b7106a5698d17252e3d625","target":"graph","created_at":"2026-05-18T00:20:01Z","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 present the largest and most spatially extended planetary nebulae (PNe) catalog ever obtained for the Fornax cluster. We measured velocities of 1452 PNe out to 200 kpc in the cluster core using a counter-dispersed slitless spectroscopic technique with data from FORS2 on the VLT. With such extended spatial coverage, we can study separately the stellar halos of some of the cluster main galaxies and the intracluster light. In this second paper of the Fornax Cluster VLT Spectroscopic Survey (FVSS), we identify and classify the emission-line sources, describe the method to select PNe and calcula","authors_text":"C.Spiniello, C.Tortora, E. Iodice, L. Coccato, M.Arnaboldi, M. Cantiello, M. Capaccioli, M. Paolillo, M. Spavone, N.R.Napolitano, O. Gerhard, P.Schipani, R. Peletier","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-08T19:00:34Z","title":"The Fornax Cluster VLT Spectroscopic Survey II - Planetary Nebulae kinematics within 200 kpc of the cluster core"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03276","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":"sha256:8afac861c1bb37bb8bfcf1fd62cb8d2790fd67c4fe14ba86f9182872a1257409","target":"record","created_at":"2026-05-18T00:20:01Z","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":"0442c19de57ad9e20b9241f13dc2a79a860cbed53ecb4ebd4657f849761a3bd7","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-08T19:00:34Z","title_canon_sha256":"1bcfb7aa37c02466d3554ed6216443ba220d9f9c52e6ae92fa316fe7a5df14eb"},"schema_version":"1.0","source":{"id":"1803.03276","kind":"arxiv","version":2}},"canonical_sha256":"ee5e0decccded0dc2638558d603af425a2c599a2757f2944ca0214dab057e901","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee5e0decccded0dc2638558d603af425a2c599a2757f2944ca0214dab057e901","first_computed_at":"2026-05-18T00:20:01.578131Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:01.578131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CkdfYJ3jCTOD5ea2RutX45XuBKFmdZXmz65FnEarH/80YG4cWR7Vdsm2kvyBT/HsLNtDxaIyj51dVeXRsobhBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:01.578980Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.03276","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8afac861c1bb37bb8bfcf1fd62cb8d2790fd67c4fe14ba86f9182872a1257409","sha256:ea99cc66f2b21a5a01aa42c51f50e94682afa5cf23b7106a5698d17252e3d625"],"state_sha256":"523694569cfc8dcb6a19a66a2d6cc56493ac56aabfc36d1407c4fe0c70934bdc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EZVsnwuJpsgvQ7BpGykMo4k0KYW4/93eSZIdSmk48TrkXS7RQWncd0Oh81bSZzoLteZ1zvVC4tqnILNzDiAqDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:01:00.063932Z","bundle_sha256":"82e4cc3f588fbd8cd4842dd3e66ada8b87dbf4be8a896cae8bf17d5833362461"}}