{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MRK6YDW7CVKU5C52VPJIY3O66V","short_pith_number":"pith:MRK6YDW7","canonical_record":{"source":{"id":"1812.09725","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-23T15:03:10Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"5daf184fce6d24c05bd9042aec19b8527fde7df9a9a4a1e2e839cf86e8c76a5a","abstract_canon_sha256":"cee1b5f4c8eb06c269d6ca66b0aa894807695d012adda2da58603937f3482487"},"schema_version":"1.0"},"canonical_sha256":"6455ec0edf15554e8bbaabd28c6ddef56e63a05c8a0268f83596078627f623a7","source":{"kind":"arxiv","id":"1812.09725","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.09725","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"1812.09725v2","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.09725","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"MRK6YDW7CVKU","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"pith_short_16","alias_value":"MRK6YDW7CVKU5C52","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"pith_short_8","alias_value":"MRK6YDW7","created_at":"2026-07-05T00:30:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MRK6YDW7CVKU5C52VPJIY3O66V","target":"record","payload":{"canonical_record":{"source":{"id":"1812.09725","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-23T15:03:10Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"5daf184fce6d24c05bd9042aec19b8527fde7df9a9a4a1e2e839cf86e8c76a5a","abstract_canon_sha256":"cee1b5f4c8eb06c269d6ca66b0aa894807695d012adda2da58603937f3482487"},"schema_version":"1.0"},"canonical_sha256":"6455ec0edf15554e8bbaabd28c6ddef56e63a05c8a0268f83596078627f623a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:30:00.233747Z","signature_b64":"sxPc57n9GR15LZK4B2qckV1fnXSJrIRTPV4X7WdioMgI0L8ELloloqsCufTbMleM8/Jhj+fh8rBtQ4NKVZ7OBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6455ec0edf15554e8bbaabd28c6ddef56e63a05c8a0268f83596078627f623a7","last_reissued_at":"2026-07-05T00:30:00.233290Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:30:00.233290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.09725","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":"2026-07-05T00:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YyTlZSwwJiVzGkJSzXt1NFukC8et9dY6qVKLJjMZ0EYOZ57M0AWNWlyEjg3uUoh+wYfkUAyO4+ONaCNU2a11BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T17:06:50.375763Z"},"content_sha256":"8639a9e51f1ef944e3f9eea8533b31be81451fbb9484854f1f82e7d6b5d62274","schema_version":"1.0","event_id":"sha256:8639a9e51f1ef944e3f9eea8533b31be81451fbb9484854f1f82e7d6b5d62274"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MRK6YDW7CVKU5C52VPJIY3O66V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Local Group Dwarf Galaxies: The Star Formation Histories derived using the Long Period Variable stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Atefeh Javadi, Elham Saremi, Habib Khosroshahi, Jacco Th. van Loon, Roya Hamedani Golshan, Sara Rezaeikh, Seyed Azim Hashemi","submitted_at":"2018-12-23T15:03:10Z","abstract_excerpt":"Dwarf galaxies in the Local Group (LG) represent a distinct as well as diverse family of tracers of the earliest phases of galaxy assembly and the processing resulting from galactic harassment. Their stellar populations can be resolved and used as probes of the evolution of their host galaxy. In this regard, we present the first reconstruction of the star formation history (SFH) of them using the most evolved AGB stars that are long period variable (LPV). For the nearby, relatively massive and interacting gas-rich dwarf galaxies, the Magellanic Clouds, we found that the bulk of the stars forme"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.09725","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1812.09725/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":"2026-07-05T00:30:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PlIcTIwjZ7vTpFz3l2zvhys/KbBbJA0Xuky76e2qstyFoTQF0BtgxWJlo4Wx1HC5L/W9vl8tpfMxKygW1uYVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T17:06:50.376329Z"},"content_sha256":"426249e3a848fe7dc3d400661dcacd85696cbddccc63383029211f385f43b3c7","schema_version":"1.0","event_id":"sha256:426249e3a848fe7dc3d400661dcacd85696cbddccc63383029211f385f43b3c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MRK6YDW7CVKU5C52VPJIY3O66V/bundle.json","state_url":"https://pith.science/pith/MRK6YDW7CVKU5C52VPJIY3O66V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MRK6YDW7CVKU5C52VPJIY3O66V/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":"2026-08-19T17:06:50Z","links":{"resolver":"https://pith.science/pith/MRK6YDW7CVKU5C52VPJIY3O66V","bundle":"https://pith.science/pith/MRK6YDW7CVKU5C52VPJIY3O66V/bundle.json","state":"https://pith.science/pith/MRK6YDW7CVKU5C52VPJIY3O66V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MRK6YDW7CVKU5C52VPJIY3O66V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MRK6YDW7CVKU5C52VPJIY3O66V","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":"cee1b5f4c8eb06c269d6ca66b0aa894807695d012adda2da58603937f3482487","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-23T15:03:10Z","title_canon_sha256":"5daf184fce6d24c05bd9042aec19b8527fde7df9a9a4a1e2e839cf86e8c76a5a"},"schema_version":"1.0","source":{"id":"1812.09725","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.09725","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"arxiv_version","alias_value":"1812.09725v2","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.09725","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"pith_short_12","alias_value":"MRK6YDW7CVKU","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"pith_short_16","alias_value":"MRK6YDW7CVKU5C52","created_at":"2026-07-05T00:30:00Z"},{"alias_kind":"pith_short_8","alias_value":"MRK6YDW7","created_at":"2026-07-05T00:30:00Z"}],"graph_snapshots":[{"event_id":"sha256:426249e3a848fe7dc3d400661dcacd85696cbddccc63383029211f385f43b3c7","target":"graph","created_at":"2026-07-05T00:30:00Z","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/1812.09725/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Dwarf galaxies in the Local Group (LG) represent a distinct as well as diverse family of tracers of the earliest phases of galaxy assembly and the processing resulting from galactic harassment. Their stellar populations can be resolved and used as probes of the evolution of their host galaxy. In this regard, we present the first reconstruction of the star formation history (SFH) of them using the most evolved AGB stars that are long period variable (LPV). For the nearby, relatively massive and interacting gas-rich dwarf galaxies, the Magellanic Clouds, we found that the bulk of the stars forme","authors_text":"Atefeh Javadi, Elham Saremi, Habib Khosroshahi, Jacco Th. van Loon, Roya Hamedani Golshan, Sara Rezaeikh, Seyed Azim Hashemi","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-23T15:03:10Z","title":"The Local Group Dwarf Galaxies: The Star Formation Histories derived using the Long Period Variable stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.09725","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":"sha256:8639a9e51f1ef944e3f9eea8533b31be81451fbb9484854f1f82e7d6b5d62274","target":"record","created_at":"2026-07-05T00:30:00Z","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":"cee1b5f4c8eb06c269d6ca66b0aa894807695d012adda2da58603937f3482487","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-23T15:03:10Z","title_canon_sha256":"5daf184fce6d24c05bd9042aec19b8527fde7df9a9a4a1e2e839cf86e8c76a5a"},"schema_version":"1.0","source":{"id":"1812.09725","kind":"arxiv","version":2}},"canonical_sha256":"6455ec0edf15554e8bbaabd28c6ddef56e63a05c8a0268f83596078627f623a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6455ec0edf15554e8bbaabd28c6ddef56e63a05c8a0268f83596078627f623a7","first_computed_at":"2026-07-05T00:30:00.233290Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:30:00.233290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sxPc57n9GR15LZK4B2qckV1fnXSJrIRTPV4X7WdioMgI0L8ELloloqsCufTbMleM8/Jhj+fh8rBtQ4NKVZ7OBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:30:00.233747Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.09725","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8639a9e51f1ef944e3f9eea8533b31be81451fbb9484854f1f82e7d6b5d62274","sha256:426249e3a848fe7dc3d400661dcacd85696cbddccc63383029211f385f43b3c7"],"state_sha256":"7ea04759fa355becb8118290d35ebfac2abc65ee8b20d030e313958775881289"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ku35l6G9+0p5N13XSdm6rBzq8lXqDIoprAhg6nYZwVgL1pLgJTn99+j1r6UxGq1mJihIPC7PKpv56T3U+JNSBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T17:06:50.382201Z","bundle_sha256":"4d691d69a44103d006ce5a0167386fb8479276277503fd269647766d70e0d21a"}}