{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:U2CFL6RILNEK7U4U7SMFKD6HTH","short_pith_number":"pith:U2CFL6RI","canonical_record":{"source":{"id":"2202.03981","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-02-08T16:37:41Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"55ebacc23d5d4cfe0f64c398133992cbf3acf638b418fee90154a1a414d309ae","abstract_canon_sha256":"a1d636618fb090149d2cdaac86a9203c5559a1d9d85f32549359c7490e4993dd"},"schema_version":"1.0"},"canonical_sha256":"a68455fa285b48afd394fc98550fc799c8e1bbd591c678e71c3f98b0bf412d19","source":{"kind":"arxiv","id":"2202.03981","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.03981","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"arxiv_version","alias_value":"2202.03981v1","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.03981","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"pith_short_12","alias_value":"U2CFL6RILNEK","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"pith_short_16","alias_value":"U2CFL6RILNEK7U4U","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"pith_short_8","alias_value":"U2CFL6RI","created_at":"2026-07-05T03:56:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:U2CFL6RILNEK7U4U7SMFKD6HTH","target":"record","payload":{"canonical_record":{"source":{"id":"2202.03981","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-02-08T16:37:41Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"55ebacc23d5d4cfe0f64c398133992cbf3acf638b418fee90154a1a414d309ae","abstract_canon_sha256":"a1d636618fb090149d2cdaac86a9203c5559a1d9d85f32549359c7490e4993dd"},"schema_version":"1.0"},"canonical_sha256":"a68455fa285b48afd394fc98550fc799c8e1bbd591c678e71c3f98b0bf412d19","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:56:18.385163Z","signature_b64":"UjhljD07WM5KkVpGMZPSwXiaK/Cm/Lm6r0+RsILa2bmSrUoeGuK9eCG2pg4bMX7YCCzxBRwegg2jYpqrPTlXAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a68455fa285b48afd394fc98550fc799c8e1bbd591c678e71c3f98b0bf412d19","last_reissued_at":"2026-07-05T03:56:18.384684Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:56:18.384684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.03981","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":"2026-07-05T03:56:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2MWr3CemG3CR1HDj0JoOjwMqdRxvZevf1GO39zPRnCYx1qs+4G8/H+WVrrihIdz6MB0/VFL60K/NH+8VPnpfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:16:59.433274Z"},"content_sha256":"bb9ca72adba4ab637ffeab9bbc4e8ff45e00c65ac02648f24546ee5cc7767a10","schema_version":"1.0","event_id":"sha256:bb9ca72adba4ab637ffeab9bbc4e8ff45e00c65ac02648f24546ee5cc7767a10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:U2CFL6RILNEK7U4U7SMFKD6HTH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of UV bright sources in globular cluster NGC 4590 using Ultraviolet Imaging Telescope (UVIT) observations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Abhisek Mohapatra, Ananta C. Pradhan, Devendra K. Ojha, Jayant Murthy, M. Parthasarathy, Ranjan Kumar, Santi Cassisi, Sonika Piridi","submitted_at":"2022-02-08T16:37:41Z","abstract_excerpt":"We have studied ultraviolet (UV) bright sources in the Galactic globular cluster (GGC) NGC 4590 using Ultraviolet Imaging Telescope (UVIT) on-board the \\mbox{{\\em AstroSat}} satellite. Using UV-optical color-magnitude diagrams (CMDs), we have identified and characterized the sources of different evolutionary stages i.e., blue horizontal branch stars (BHBs), extremely blue horizontal branch stars (EHBs), blue straggler stars (BSs), variable stars, etc. We estimated effective temperature (T$_{\\mathrm{eff}}$), gravity ($\\log$(g)), luminosity (L$_{bol}$), and hence the radius (R) of these hot star"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.03981","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2202.03981/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":"2026-07-05T03:56:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IM/N3rK1dEvfk7sKkCYA87em9T4L2SJlgz0hFxuYEX3RCS+mG2GGWo9gUwEKdGx1X+M3SVdbJ6Q15+WUWmUvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:16:59.433801Z"},"content_sha256":"2898fccc9787a32b9fa4fc26d76826c12a9bd63c7500ef2d639d3c655a47cff1","schema_version":"1.0","event_id":"sha256:2898fccc9787a32b9fa4fc26d76826c12a9bd63c7500ef2d639d3c655a47cff1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U2CFL6RILNEK7U4U7SMFKD6HTH/bundle.json","state_url":"https://pith.science/pith/U2CFL6RILNEK7U4U7SMFKD6HTH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U2CFL6RILNEK7U4U7SMFKD6HTH/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":"2026-08-05T09:16:59Z","links":{"resolver":"https://pith.science/pith/U2CFL6RILNEK7U4U7SMFKD6HTH","bundle":"https://pith.science/pith/U2CFL6RILNEK7U4U7SMFKD6HTH/bundle.json","state":"https://pith.science/pith/U2CFL6RILNEK7U4U7SMFKD6HTH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U2CFL6RILNEK7U4U7SMFKD6HTH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:U2CFL6RILNEK7U4U7SMFKD6HTH","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":"a1d636618fb090149d2cdaac86a9203c5559a1d9d85f32549359c7490e4993dd","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-02-08T16:37:41Z","title_canon_sha256":"55ebacc23d5d4cfe0f64c398133992cbf3acf638b418fee90154a1a414d309ae"},"schema_version":"1.0","source":{"id":"2202.03981","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.03981","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"arxiv_version","alias_value":"2202.03981v1","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.03981","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"pith_short_12","alias_value":"U2CFL6RILNEK","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"pith_short_16","alias_value":"U2CFL6RILNEK7U4U","created_at":"2026-07-05T03:56:18Z"},{"alias_kind":"pith_short_8","alias_value":"U2CFL6RI","created_at":"2026-07-05T03:56:18Z"}],"graph_snapshots":[{"event_id":"sha256:2898fccc9787a32b9fa4fc26d76826c12a9bd63c7500ef2d639d3c655a47cff1","target":"graph","created_at":"2026-07-05T03:56:18Z","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/2202.03981/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have studied ultraviolet (UV) bright sources in the Galactic globular cluster (GGC) NGC 4590 using Ultraviolet Imaging Telescope (UVIT) on-board the \\mbox{{\\em AstroSat}} satellite. Using UV-optical color-magnitude diagrams (CMDs), we have identified and characterized the sources of different evolutionary stages i.e., blue horizontal branch stars (BHBs), extremely blue horizontal branch stars (EHBs), blue straggler stars (BSs), variable stars, etc. We estimated effective temperature (T$_{\\mathrm{eff}}$), gravity ($\\log$(g)), luminosity (L$_{bol}$), and hence the radius (R) of these hot star","authors_text":"Abhisek Mohapatra, Ananta C. Pradhan, Devendra K. Ojha, Jayant Murthy, M. Parthasarathy, Ranjan Kumar, Santi Cassisi, Sonika Piridi","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-02-08T16:37:41Z","title":"Study of UV bright sources in globular cluster NGC 4590 using Ultraviolet Imaging Telescope (UVIT) observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.03981","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:bb9ca72adba4ab637ffeab9bbc4e8ff45e00c65ac02648f24546ee5cc7767a10","target":"record","created_at":"2026-07-05T03:56:18Z","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":"a1d636618fb090149d2cdaac86a9203c5559a1d9d85f32549359c7490e4993dd","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-02-08T16:37:41Z","title_canon_sha256":"55ebacc23d5d4cfe0f64c398133992cbf3acf638b418fee90154a1a414d309ae"},"schema_version":"1.0","source":{"id":"2202.03981","kind":"arxiv","version":1}},"canonical_sha256":"a68455fa285b48afd394fc98550fc799c8e1bbd591c678e71c3f98b0bf412d19","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a68455fa285b48afd394fc98550fc799c8e1bbd591c678e71c3f98b0bf412d19","first_computed_at":"2026-07-05T03:56:18.384684Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:56:18.384684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UjhljD07WM5KkVpGMZPSwXiaK/Cm/Lm6r0+RsILa2bmSrUoeGuK9eCG2pg4bMX7YCCzxBRwegg2jYpqrPTlXAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:56:18.385163Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.03981","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bb9ca72adba4ab637ffeab9bbc4e8ff45e00c65ac02648f24546ee5cc7767a10","sha256:2898fccc9787a32b9fa4fc26d76826c12a9bd63c7500ef2d639d3c655a47cff1"],"state_sha256":"4d8358018735be44b49ab64da80b2775e1d98d710526b38c613c7e8c7cae7729"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z734HMQhVSdysLFXTYJSSaMNxwx2DpyJqm6h2zW4QgOZwaZcekNmycgfPN+iayQ6ybDUIyBM66WvwUZe8rSiAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:16:59.438916Z","bundle_sha256":"a127310ef382790963b8dd3f4889741f35f8e07372a9134147c6ddb8e70d4b93"}}