{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RBBABPGIBMQ5SQ4BAXD7OXWNIY","short_pith_number":"pith:RBBABPGI","canonical_record":{"source":{"id":"1706.07344","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-22T14:43:19Z","cross_cats_sorted":[],"title_canon_sha256":"ad16a1c948a89465cd3c89921e9117741c3f5bd843d130c51d76a09906a62961","abstract_canon_sha256":"9d8594cdc29d8cf7b57006019b3b123a497c8cc9b624aaa95728d5496290aac5"},"schema_version":"1.0"},"canonical_sha256":"884200bcc80b21d9438105c7f75ecd463faf9c4d248342ef88e271cad245ee24","source":{"kind":"arxiv","id":"1706.07344","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07344","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07344v2","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07344","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"RBBABPGIBMQ5","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RBBABPGIBMQ5SQ4B","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RBBABPGI","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RBBABPGIBMQ5SQ4BAXD7OXWNIY","target":"record","payload":{"canonical_record":{"source":{"id":"1706.07344","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-22T14:43:19Z","cross_cats_sorted":[],"title_canon_sha256":"ad16a1c948a89465cd3c89921e9117741c3f5bd843d130c51d76a09906a62961","abstract_canon_sha256":"9d8594cdc29d8cf7b57006019b3b123a497c8cc9b624aaa95728d5496290aac5"},"schema_version":"1.0"},"canonical_sha256":"884200bcc80b21d9438105c7f75ecd463faf9c4d248342ef88e271cad245ee24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:33.493140Z","signature_b64":"+PhGsuELeq1liwF5OXhMVtr5Mu9o7UWRMOvBBcynonBY3NIPvpppAMu3uiuX3mligB4wGCyKw54AUi9INVEpCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"884200bcc80b21d9438105c7f75ecd463faf9c4d248342ef88e271cad245ee24","last_reissued_at":"2026-05-18T00:37:33.492759Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:33.492759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.07344","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":"2026-05-18T00:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4A17iHuRvUaKRHFj+ABs2tkFEk4hl307A2nByeVD8cVtORLpNd+Mh3wL2rh0MLXZQdIlL+AyeQwa21uDIjIZCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:44:45.309821Z"},"content_sha256":"fe3e7c0482785b946fc52444a362a7b0ee5743d40ce534e6888a0413abced38c","schema_version":"1.0","event_id":"sha256:fe3e7c0482785b946fc52444a362a7b0ee5743d40ce534e6888a0413abced38c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RBBABPGIBMQ5SQ4BAXD7OXWNIY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclei of dwarf spheroidal galaxies KKs3 and ESO269-66 and their counterparts in our Galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Y. Kniazev, M.E. Sharina, V. V. Shimansky","submitted_at":"2017-06-22T14:43:19Z","abstract_excerpt":"We present the analysis of medium-resolution spectra obtained at the Southern African Large Telescope (SALT) for nuclear globular clusters (GCs) in two dwarf spheroidal galaxies (dSphs). The galaxies have similar star formation histories, but they are situated in completely different environments. ESO269-66 is a close neighbour of the giant S0 NGC5128. KKs3 is one of the few truly isolated dSphs within 10 Mpc. We estimate the helium abundance $Y=0.3$, $\\rm age=12.6\\pm1$ Gyr, $[Fe/H]=-1.5,-1.55\\pm0.2$ dex, and abundances of C, N, Mg, Ca, Ti, and Cr for the nuclei of ESO269-66 and KKs3. Our surf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07344","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":"2026-05-18T00:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8QtQilyeyFjgGKloIigoyML648zB0NUzdLnOp5sJEpOuFXSXmgypHpGlK/ZvYDQ8TYCiiEKe8V5BoLVf30LbAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T10:44:45.310181Z"},"content_sha256":"aa88864b30e1c55a456107c6da74ecd98d520046cf23868ece479cbd62b0d066","schema_version":"1.0","event_id":"sha256:aa88864b30e1c55a456107c6da74ecd98d520046cf23868ece479cbd62b0d066"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RBBABPGIBMQ5SQ4BAXD7OXWNIY/bundle.json","state_url":"https://pith.science/pith/RBBABPGIBMQ5SQ4BAXD7OXWNIY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RBBABPGIBMQ5SQ4BAXD7OXWNIY/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":"2026-05-30T10:44:45Z","links":{"resolver":"https://pith.science/pith/RBBABPGIBMQ5SQ4BAXD7OXWNIY","bundle":"https://pith.science/pith/RBBABPGIBMQ5SQ4BAXD7OXWNIY/bundle.json","state":"https://pith.science/pith/RBBABPGIBMQ5SQ4BAXD7OXWNIY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RBBABPGIBMQ5SQ4BAXD7OXWNIY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RBBABPGIBMQ5SQ4BAXD7OXWNIY","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":"9d8594cdc29d8cf7b57006019b3b123a497c8cc9b624aaa95728d5496290aac5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-22T14:43:19Z","title_canon_sha256":"ad16a1c948a89465cd3c89921e9117741c3f5bd843d130c51d76a09906a62961"},"schema_version":"1.0","source":{"id":"1706.07344","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07344","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07344v2","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07344","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"RBBABPGIBMQ5","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"RBBABPGIBMQ5SQ4B","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"RBBABPGI","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:aa88864b30e1c55a456107c6da74ecd98d520046cf23868ece479cbd62b0d066","target":"graph","created_at":"2026-05-18T00:37:33Z","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 analysis of medium-resolution spectra obtained at the Southern African Large Telescope (SALT) for nuclear globular clusters (GCs) in two dwarf spheroidal galaxies (dSphs). The galaxies have similar star formation histories, but they are situated in completely different environments. ESO269-66 is a close neighbour of the giant S0 NGC5128. KKs3 is one of the few truly isolated dSphs within 10 Mpc. We estimate the helium abundance $Y=0.3$, $\\rm age=12.6\\pm1$ Gyr, $[Fe/H]=-1.5,-1.55\\pm0.2$ dex, and abundances of C, N, Mg, Ca, Ti, and Cr for the nuclei of ESO269-66 and KKs3. Our surf","authors_text":"A. Y. Kniazev, M.E. Sharina, V. V. Shimansky","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-22T14:43:19Z","title":"Nuclei of dwarf spheroidal galaxies KKs3 and ESO269-66 and their counterparts in our Galaxy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07344","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:fe3e7c0482785b946fc52444a362a7b0ee5743d40ce534e6888a0413abced38c","target":"record","created_at":"2026-05-18T00:37:33Z","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":"9d8594cdc29d8cf7b57006019b3b123a497c8cc9b624aaa95728d5496290aac5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-22T14:43:19Z","title_canon_sha256":"ad16a1c948a89465cd3c89921e9117741c3f5bd843d130c51d76a09906a62961"},"schema_version":"1.0","source":{"id":"1706.07344","kind":"arxiv","version":2}},"canonical_sha256":"884200bcc80b21d9438105c7f75ecd463faf9c4d248342ef88e271cad245ee24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"884200bcc80b21d9438105c7f75ecd463faf9c4d248342ef88e271cad245ee24","first_computed_at":"2026-05-18T00:37:33.492759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:33.492759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+PhGsuELeq1liwF5OXhMVtr5Mu9o7UWRMOvBBcynonBY3NIPvpppAMu3uiuX3mligB4wGCyKw54AUi9INVEpCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:33.493140Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.07344","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe3e7c0482785b946fc52444a362a7b0ee5743d40ce534e6888a0413abced38c","sha256:aa88864b30e1c55a456107c6da74ecd98d520046cf23868ece479cbd62b0d066"],"state_sha256":"07c8c2ebbaeeb257a0c870ecbdf87717937524b5b79c6a9d1560899f5c7ed321"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q4tkK6Q+cyZINuVADCuaiPD7HDG799fXN8BUTtdIY6lZJA+8N9mLhlPrRyJddJMHqlX7lBiMVAywLwcUyv3sBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T10:44:45.312165Z","bundle_sha256":"8a39bd7b319f4051ebf81f3217f0d2d86377194470d1b710477e1192702650ac"}}