{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LBRYSDNUVI74MAMOB3RMKV5JR7","short_pith_number":"pith:LBRYSDNU","canonical_record":{"source":{"id":"1412.3840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-11T22:11:19Z","cross_cats_sorted":[],"title_canon_sha256":"b8b7c885ff2f690a186d3769074b11868d2b093f80b6cde9b58b1b12efbe7a24","abstract_canon_sha256":"df9afb87994dfe836177ccb4fc1bde5a78c8c0ea8861c9a3b7598582db2b3a2b"},"schema_version":"1.0"},"canonical_sha256":"5863890db4aa3fc6018e0ee2c557a98fc83e4484190e51b71ed17d333ebff585","source":{"kind":"arxiv","id":"1412.3840","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.3840","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"arxiv_version","alias_value":"1412.3840v1","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.3840","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"pith_short_12","alias_value":"LBRYSDNUVI74","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"LBRYSDNUVI74MAMO","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"LBRYSDNU","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LBRYSDNUVI74MAMOB3RMKV5JR7","target":"record","payload":{"canonical_record":{"source":{"id":"1412.3840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-11T22:11:19Z","cross_cats_sorted":[],"title_canon_sha256":"b8b7c885ff2f690a186d3769074b11868d2b093f80b6cde9b58b1b12efbe7a24","abstract_canon_sha256":"df9afb87994dfe836177ccb4fc1bde5a78c8c0ea8861c9a3b7598582db2b3a2b"},"schema_version":"1.0"},"canonical_sha256":"5863890db4aa3fc6018e0ee2c557a98fc83e4484190e51b71ed17d333ebff585","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:19.687405Z","signature_b64":"VzVnYuQ0ukvEuni3K9zfexn5wW27fvm0jvFr4o3FxrAwGyWxws4foGr04DckLvUZ7uQ6TZscQofZhu0XhAr2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5863890db4aa3fc6018e0ee2c557a98fc83e4484190e51b71ed17d333ebff585","last_reissued_at":"2026-05-18T01:41:19.686771Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:19.686771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.3840","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":"2026-05-18T01:41:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MhpPu1FZGeTEQdqwKuZFrj78WEnkGlWubu96RyH3ALgV0EhfWDXsGDcUW3kzA107oyfBEIXQB+O/hKAGcFM2Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:51:19.811952Z"},"content_sha256":"347c5620a48f219e5f9a08c4daabc9ee650cd6ccc6920585c8dc96e3de76c82c","schema_version":"1.0","event_id":"sha256:347c5620a48f219e5f9a08c4daabc9ee650cd6ccc6920585c8dc96e3de76c82c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LBRYSDNUVI74MAMOB3RMKV5JR7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The UK Infrared Telescope M33 monitoring project. IV. Variable red giant stars across the galactic disc","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Atefeh Javadi (IPM), Habib Khosroshahi (IPM), Jacco Th. van Loon (Keele University), Maryam Saberi (IPM), Mohammad Taghi Mirtorabi (Alzahra), Najmeh Golabatooni (Alzahra)","submitted_at":"2014-12-11T22:11:19Z","abstract_excerpt":"We have conducted a near-infrared monitoring campaign at the UK InfraRed Telescope (UKIRT), of the Local Group spiral galaxy M33 (Triangulum). The main aim was to identify stars in the very final stage of their evolution, and for which the luminosity is more directly related to the birth mass than the more numerous less-evolved giant stars that continue to increase in luminosity. In this fourth paper of the series, we present a search for variable red giant stars in an almost square degree region comprising most of the galaxy's disc, carried out with the WFCAM instrument in the K band. These d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.3840","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":""},"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":"2026-05-18T01:41:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VgbY6xifbm5ZOyPyOBuxn0f2X2n+mgAYCtVmp8ZVCXBLhJjf601UjmmSvAWdXsj7phTM4LwRLpn8FvSZ9pNNDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:51:19.812301Z"},"content_sha256":"5e8ba1cc4d38d382d81504f8569f1d5fec93fc3f5ac89b0373f2cdc51d705eab","schema_version":"1.0","event_id":"sha256:5e8ba1cc4d38d382d81504f8569f1d5fec93fc3f5ac89b0373f2cdc51d705eab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LBRYSDNUVI74MAMOB3RMKV5JR7/bundle.json","state_url":"https://pith.science/pith/LBRYSDNUVI74MAMOB3RMKV5JR7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LBRYSDNUVI74MAMOB3RMKV5JR7/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":"2026-06-09T17:51:19Z","links":{"resolver":"https://pith.science/pith/LBRYSDNUVI74MAMOB3RMKV5JR7","bundle":"https://pith.science/pith/LBRYSDNUVI74MAMOB3RMKV5JR7/bundle.json","state":"https://pith.science/pith/LBRYSDNUVI74MAMOB3RMKV5JR7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LBRYSDNUVI74MAMOB3RMKV5JR7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LBRYSDNUVI74MAMOB3RMKV5JR7","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":"df9afb87994dfe836177ccb4fc1bde5a78c8c0ea8861c9a3b7598582db2b3a2b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-11T22:11:19Z","title_canon_sha256":"b8b7c885ff2f690a186d3769074b11868d2b093f80b6cde9b58b1b12efbe7a24"},"schema_version":"1.0","source":{"id":"1412.3840","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.3840","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"arxiv_version","alias_value":"1412.3840v1","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.3840","created_at":"2026-05-18T01:41:19Z"},{"alias_kind":"pith_short_12","alias_value":"LBRYSDNUVI74","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"LBRYSDNUVI74MAMO","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"LBRYSDNU","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:5e8ba1cc4d38d382d81504f8569f1d5fec93fc3f5ac89b0373f2cdc51d705eab","target":"graph","created_at":"2026-05-18T01:41:19Z","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 have conducted a near-infrared monitoring campaign at the UK InfraRed Telescope (UKIRT), of the Local Group spiral galaxy M33 (Triangulum). The main aim was to identify stars in the very final stage of their evolution, and for which the luminosity is more directly related to the birth mass than the more numerous less-evolved giant stars that continue to increase in luminosity. In this fourth paper of the series, we present a search for variable red giant stars in an almost square degree region comprising most of the galaxy's disc, carried out with the WFCAM instrument in the K band. These d","authors_text":"Atefeh Javadi (IPM), Habib Khosroshahi (IPM), Jacco Th. van Loon (Keele University), Maryam Saberi (IPM), Mohammad Taghi Mirtorabi (Alzahra), Najmeh Golabatooni (Alzahra)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-11T22:11:19Z","title":"The UK Infrared Telescope M33 monitoring project. IV. Variable red giant stars across the galactic disc"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.3840","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":"sha256:347c5620a48f219e5f9a08c4daabc9ee650cd6ccc6920585c8dc96e3de76c82c","target":"record","created_at":"2026-05-18T01:41:19Z","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":"df9afb87994dfe836177ccb4fc1bde5a78c8c0ea8861c9a3b7598582db2b3a2b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-12-11T22:11:19Z","title_canon_sha256":"b8b7c885ff2f690a186d3769074b11868d2b093f80b6cde9b58b1b12efbe7a24"},"schema_version":"1.0","source":{"id":"1412.3840","kind":"arxiv","version":1}},"canonical_sha256":"5863890db4aa3fc6018e0ee2c557a98fc83e4484190e51b71ed17d333ebff585","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5863890db4aa3fc6018e0ee2c557a98fc83e4484190e51b71ed17d333ebff585","first_computed_at":"2026-05-18T01:41:19.686771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:19.686771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VzVnYuQ0ukvEuni3K9zfexn5wW27fvm0jvFr4o3FxrAwGyWxws4foGr04DckLvUZ7uQ6TZscQofZhu0XhAr2DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:19.687405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.3840","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:347c5620a48f219e5f9a08c4daabc9ee650cd6ccc6920585c8dc96e3de76c82c","sha256:5e8ba1cc4d38d382d81504f8569f1d5fec93fc3f5ac89b0373f2cdc51d705eab"],"state_sha256":"8bc5e642f56393acbe96ca20cdb1a5285d8c4a9058000770532623f73c1a212f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zdcwuz9qR1SM8zh8MDgsGFmOUmNoTBf4QfbCrvIPCCj2CAZc9y9JMr7z63a++VFJqdtIy3gCq8/mQoJg6fSVBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T17:51:19.814277Z","bundle_sha256":"a6e0e998d6b26ad9f1df131c92a887fbcbbecbf747c8fe6f59f22cd5ab404bb2"}}