{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:HFQOQLEA2TCFIYKYIKGJIGKU6E","short_pith_number":"pith:HFQOQLEA","canonical_record":{"source":{"id":"2208.03404","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-05T23:26:38Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1c1585d79ccf12b5eac574703fe4da5f25f3323c3049ccbe40465883bfa0f202","abstract_canon_sha256":"6918f2801288771f70f344d9bff4b3d0dcb5a91233da90c9bfb79c4b178b370a"},"schema_version":"1.0"},"canonical_sha256":"3960e82c80d4c4546158428c941954f10bd04625a16e12b67464430f5aaf0f27","source":{"kind":"arxiv","id":"2208.03404","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.03404","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"arxiv_version","alias_value":"2208.03404v1","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.03404","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"pith_short_12","alias_value":"HFQOQLEA2TCF","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"pith_short_16","alias_value":"HFQOQLEA2TCFIYKY","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"pith_short_8","alias_value":"HFQOQLEA","created_at":"2026-07-05T05:01:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:HFQOQLEA2TCFIYKYIKGJIGKU6E","target":"record","payload":{"canonical_record":{"source":{"id":"2208.03404","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-05T23:26:38Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1c1585d79ccf12b5eac574703fe4da5f25f3323c3049ccbe40465883bfa0f202","abstract_canon_sha256":"6918f2801288771f70f344d9bff4b3d0dcb5a91233da90c9bfb79c4b178b370a"},"schema_version":"1.0"},"canonical_sha256":"3960e82c80d4c4546158428c941954f10bd04625a16e12b67464430f5aaf0f27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:01:28.840501Z","signature_b64":"jMdnnJHYBBEYaseDG4l/GC8ERdfqwzqjX60Z4ZQeqqctQquROdLFmY1Hh40xUkDp+PbAz6Qpap6JgKHjcKwaAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3960e82c80d4c4546158428c941954f10bd04625a16e12b67464430f5aaf0f27","last_reissued_at":"2026-07-05T05:01:28.840100Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:01:28.840100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.03404","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":"2026-07-05T05:01:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"unmuAcb9am0FtYGua/pDCNB2N82P54uEn7qLMovtp4ArrPZ8wmlAoNXZG/v29MvEZH6TlMfXtLtc6epVH2mwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T07:20:37.093513Z"},"content_sha256":"0092ff04ce9ec829e3053303abc881eec19116d3a80b6c278a60d0dd90d28ace","schema_version":"1.0","event_id":"sha256:0092ff04ce9ec829e3053303abc881eec19116d3a80b6c278a60d0dd90d28ace"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:HFQOQLEA2TCFIYKYIKGJIGKU6E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Zwicky Transient Facility and Globular Clusters: The Period-Luminosity and Period-Wesenheit Relations for Type II Cepheids","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Anupam Bhardwaj, Ben Rusholme, Chow-Choong Ngeow, Jing-Yi Henderson, Josiah Purdum, Matthew J. Graham, Michael S. Medford, Russ R. Laher","submitted_at":"2022-08-05T23:26:38Z","abstract_excerpt":"We present the first gri-band period-luminosity (PL) and period-Wesenheit (PW) relations for 37 Type II Cepheids (hereafter TIIC) located in 18 globular clusters based on photometric data from the Zwicky Transient Facility. We also updated BV IJHK-band absolute magnitudes for 58 TIIC in 24 globular clusters using the latest homogeneous distances to the globular clusters. The slopes of g/r/i and B/V/I band PL relations are found to be statistically consistent when using the same sample of distance and reddening. We employed the calibration of ri-band PL/PW relations in globular clusters to esti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.03404","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/2208.03404/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":"2026-07-05T05:01:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gssHpxrG2Ez5VsAXX2s+sw/fVZ0nfpxxPmC/egYAo6DzAzwb1VpZ3bC3vYWogeHexrx2HN6TkLQuDDhi7w2sDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T07:20:37.094062Z"},"content_sha256":"b923ec40fdc569effb91a7897f5a9c0b6dba994663f19cc477218d749056020e","schema_version":"1.0","event_id":"sha256:b923ec40fdc569effb91a7897f5a9c0b6dba994663f19cc477218d749056020e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HFQOQLEA2TCFIYKYIKGJIGKU6E/bundle.json","state_url":"https://pith.science/pith/HFQOQLEA2TCFIYKYIKGJIGKU6E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HFQOQLEA2TCFIYKYIKGJIGKU6E/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":"2026-08-07T07:20:37Z","links":{"resolver":"https://pith.science/pith/HFQOQLEA2TCFIYKYIKGJIGKU6E","bundle":"https://pith.science/pith/HFQOQLEA2TCFIYKYIKGJIGKU6E/bundle.json","state":"https://pith.science/pith/HFQOQLEA2TCFIYKYIKGJIGKU6E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HFQOQLEA2TCFIYKYIKGJIGKU6E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:HFQOQLEA2TCFIYKYIKGJIGKU6E","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":"6918f2801288771f70f344d9bff4b3d0dcb5a91233da90c9bfb79c4b178b370a","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-05T23:26:38Z","title_canon_sha256":"1c1585d79ccf12b5eac574703fe4da5f25f3323c3049ccbe40465883bfa0f202"},"schema_version":"1.0","source":{"id":"2208.03404","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.03404","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"arxiv_version","alias_value":"2208.03404v1","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.03404","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"pith_short_12","alias_value":"HFQOQLEA2TCF","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"pith_short_16","alias_value":"HFQOQLEA2TCFIYKY","created_at":"2026-07-05T05:01:28Z"},{"alias_kind":"pith_short_8","alias_value":"HFQOQLEA","created_at":"2026-07-05T05:01:28Z"}],"graph_snapshots":[{"event_id":"sha256:b923ec40fdc569effb91a7897f5a9c0b6dba994663f19cc477218d749056020e","target":"graph","created_at":"2026-07-05T05:01:28Z","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/2208.03404/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the first gri-band period-luminosity (PL) and period-Wesenheit (PW) relations for 37 Type II Cepheids (hereafter TIIC) located in 18 globular clusters based on photometric data from the Zwicky Transient Facility. We also updated BV IJHK-band absolute magnitudes for 58 TIIC in 24 globular clusters using the latest homogeneous distances to the globular clusters. The slopes of g/r/i and B/V/I band PL relations are found to be statistically consistent when using the same sample of distance and reddening. We employed the calibration of ri-band PL/PW relations in globular clusters to esti","authors_text":"Anupam Bhardwaj, Ben Rusholme, Chow-Choong Ngeow, Jing-Yi Henderson, Josiah Purdum, Matthew J. Graham, Michael S. Medford, Russ R. Laher","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-05T23:26:38Z","title":"Zwicky Transient Facility and Globular Clusters: The Period-Luminosity and Period-Wesenheit Relations for Type II Cepheids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.03404","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":"sha256:0092ff04ce9ec829e3053303abc881eec19116d3a80b6c278a60d0dd90d28ace","target":"record","created_at":"2026-07-05T05:01:28Z","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":"6918f2801288771f70f344d9bff4b3d0dcb5a91233da90c9bfb79c4b178b370a","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-08-05T23:26:38Z","title_canon_sha256":"1c1585d79ccf12b5eac574703fe4da5f25f3323c3049ccbe40465883bfa0f202"},"schema_version":"1.0","source":{"id":"2208.03404","kind":"arxiv","version":1}},"canonical_sha256":"3960e82c80d4c4546158428c941954f10bd04625a16e12b67464430f5aaf0f27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3960e82c80d4c4546158428c941954f10bd04625a16e12b67464430f5aaf0f27","first_computed_at":"2026-07-05T05:01:28.840100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:01:28.840100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jMdnnJHYBBEYaseDG4l/GC8ERdfqwzqjX60Z4ZQeqqctQquROdLFmY1Hh40xUkDp+PbAz6Qpap6JgKHjcKwaAA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:01:28.840501Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.03404","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0092ff04ce9ec829e3053303abc881eec19116d3a80b6c278a60d0dd90d28ace","sha256:b923ec40fdc569effb91a7897f5a9c0b6dba994663f19cc477218d749056020e"],"state_sha256":"51509b1526d200717b4200f7676f37d40d77164c465ba7689d262dcd9c8e951e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H+/731cm+Irpf791SuszQquQuEVerGpc6+y6kMFRwJbNBitjA4G7wAUMc9xQii7dcoDOzOxKOaK80sh7PM36Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T07:20:37.099642Z","bundle_sha256":"b1ef2a071ba2569cdafa77384958f335fd5b8edef184470b7f78221653f4e4c1"}}