{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QDIWT2RQPYQQCLHHY6KCMBTLNC","short_pith_number":"pith:QDIWT2RQ","canonical_record":{"source":{"id":"1908.01559","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-05T10:54:32Z","cross_cats_sorted":[],"title_canon_sha256":"fe220b51db752be26faa4526ee958d8d06c24ebcb79bc612e6a65b0731d6809c","abstract_canon_sha256":"2b1e19b9ecfc57a6404b239acaa8f8c7c96365764d4ace338b1b6e76a5477f1a"},"schema_version":"1.0"},"canonical_sha256":"80d169ea307e21012ce7c79426066b6892dc5497c2e2e62cca0647e61b03a1bc","source":{"kind":"arxiv","id":"1908.01559","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.01559","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"arxiv_version","alias_value":"1908.01559v2","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.01559","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"pith_short_12","alias_value":"QDIWT2RQPYQQ","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"pith_short_16","alias_value":"QDIWT2RQPYQQCLHH","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"pith_short_8","alias_value":"QDIWT2RQ","created_at":"2026-07-05T00:31:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QDIWT2RQPYQQCLHHY6KCMBTLNC","target":"record","payload":{"canonical_record":{"source":{"id":"1908.01559","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-05T10:54:32Z","cross_cats_sorted":[],"title_canon_sha256":"fe220b51db752be26faa4526ee958d8d06c24ebcb79bc612e6a65b0731d6809c","abstract_canon_sha256":"2b1e19b9ecfc57a6404b239acaa8f8c7c96365764d4ace338b1b6e76a5477f1a"},"schema_version":"1.0"},"canonical_sha256":"80d169ea307e21012ce7c79426066b6892dc5497c2e2e62cca0647e61b03a1bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:31:54.794995Z","signature_b64":"c4+zqjarQN4RFZG8p3jQMokrYXD3vBAWCpJyyhB6riRJlDItVdXKP+WVOPzePMV4Re/NbWshec4rrTO8BBL6Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"80d169ea307e21012ce7c79426066b6892dc5497c2e2e62cca0647e61b03a1bc","last_reissued_at":"2026-07-05T00:31:54.794441Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:31:54.794441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.01559","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":"2026-07-05T00:31:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jDE7n0Rt1T4+XuYnA4Hzi3FVs3fRugzceF6O2hHiwuBXFzKCU4OYBezZB6q4XG9CCzbM+4hwRNLxgZdzS4wfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T23:44:06.657929Z"},"content_sha256":"a16d53e63cc4eb5fd8f90d931ace3f203c5d712f0158c934313bb98ab846f6fa","schema_version":"1.0","event_id":"sha256:a16d53e63cc4eb5fd8f90d931ace3f203c5d712f0158c934313bb98ab846f6fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QDIWT2RQPYQQCLHHY6KCMBTLNC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stellar mass -- halo mass relation for the brightest central galaxies of X-ray clusters since z~0.65","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Biviano, A. Finoguenov, A. Kukkola, A. Merloni, A. Weijmans, C. A. Collins, C. Kirkpatrick, D. P. Schneider, D. Wilman, E. Egami, E. Rykoff, G. Erfanianfar, G. Gozaliasl, H. Khosroshahi, J. Brownstein, J. Comparat, J. I. Chitham, K. Furnell, K. Nandra, L. S. Kelvin, M. J. Pereira, M. Mirkazemi, M. Salvato, N. Clerc, P. Popesso, R. Capasso, S. Damsted, S. Wuyts","submitted_at":"2019-08-05T10:54:32Z","abstract_excerpt":"We present the brightest cluster galaxies (BCGs) catalog for SPectroscoic IDentification of eROSITA Sources (SPIDERS) DR14 cluster program value-added catalog. We list the 416 BCGs identified as part of this process, along with their stellar mass, star formation rates, and morphological properties. We identified the BCGs based on the available spectroscopic data from SPIDERS and photometric data from SDSS. We computed stellar masses and SFRs of the BCGs on the basis of SDSS, WISE, and GALEX photometry using spectral energy distribution fitting. Morphological properties for all BCGs were derive"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.01559","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/1908.01559/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":"2026-07-05T00:31:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Myyx/ZJxA2PyENqekXXQq1gLDd6cRvIWPu/1MRC9MI+A7Xm/4txLtDG1ab++eV1OIbL+69fbdM3cGhcoEGSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T23:44:06.658452Z"},"content_sha256":"1d1674374b9081d381507b672e91752dfaeebbfefdcb49e59e4aee0b4f9805ec","schema_version":"1.0","event_id":"sha256:1d1674374b9081d381507b672e91752dfaeebbfefdcb49e59e4aee0b4f9805ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QDIWT2RQPYQQCLHHY6KCMBTLNC/bundle.json","state_url":"https://pith.science/pith/QDIWT2RQPYQQCLHHY6KCMBTLNC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QDIWT2RQPYQQCLHHY6KCMBTLNC/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":"2026-08-03T23:44:06Z","links":{"resolver":"https://pith.science/pith/QDIWT2RQPYQQCLHHY6KCMBTLNC","bundle":"https://pith.science/pith/QDIWT2RQPYQQCLHHY6KCMBTLNC/bundle.json","state":"https://pith.science/pith/QDIWT2RQPYQQCLHHY6KCMBTLNC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QDIWT2RQPYQQCLHHY6KCMBTLNC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QDIWT2RQPYQQCLHHY6KCMBTLNC","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":"2b1e19b9ecfc57a6404b239acaa8f8c7c96365764d4ace338b1b6e76a5477f1a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-05T10:54:32Z","title_canon_sha256":"fe220b51db752be26faa4526ee958d8d06c24ebcb79bc612e6a65b0731d6809c"},"schema_version":"1.0","source":{"id":"1908.01559","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.01559","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"arxiv_version","alias_value":"1908.01559v2","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.01559","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"pith_short_12","alias_value":"QDIWT2RQPYQQ","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"pith_short_16","alias_value":"QDIWT2RQPYQQCLHH","created_at":"2026-07-05T00:31:54Z"},{"alias_kind":"pith_short_8","alias_value":"QDIWT2RQ","created_at":"2026-07-05T00:31:54Z"}],"graph_snapshots":[{"event_id":"sha256:1d1674374b9081d381507b672e91752dfaeebbfefdcb49e59e4aee0b4f9805ec","target":"graph","created_at":"2026-07-05T00:31:54Z","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/1908.01559/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the brightest cluster galaxies (BCGs) catalog for SPectroscoic IDentification of eROSITA Sources (SPIDERS) DR14 cluster program value-added catalog. We list the 416 BCGs identified as part of this process, along with their stellar mass, star formation rates, and morphological properties. We identified the BCGs based on the available spectroscopic data from SPIDERS and photometric data from SDSS. We computed stellar masses and SFRs of the BCGs on the basis of SDSS, WISE, and GALEX photometry using spectral energy distribution fitting. Morphological properties for all BCGs were derive","authors_text":"A. Biviano, A. Finoguenov, A. Kukkola, A. Merloni, A. Weijmans, C. A. Collins, C. Kirkpatrick, D. P. Schneider, D. Wilman, E. Egami, E. Rykoff, G. Erfanianfar, G. Gozaliasl, H. Khosroshahi, J. Brownstein, J. Comparat, J. I. Chitham, K. Furnell, K. Nandra, L. S. Kelvin, M. J. Pereira, M. Mirkazemi, M. Salvato, N. Clerc, P. Popesso, R. Capasso, S. Damsted, S. Wuyts","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-05T10:54:32Z","title":"Stellar mass -- halo mass relation for the brightest central galaxies of X-ray clusters since z~0.65"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.01559","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:a16d53e63cc4eb5fd8f90d931ace3f203c5d712f0158c934313bb98ab846f6fa","target":"record","created_at":"2026-07-05T00:31:54Z","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":"2b1e19b9ecfc57a6404b239acaa8f8c7c96365764d4ace338b1b6e76a5477f1a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-05T10:54:32Z","title_canon_sha256":"fe220b51db752be26faa4526ee958d8d06c24ebcb79bc612e6a65b0731d6809c"},"schema_version":"1.0","source":{"id":"1908.01559","kind":"arxiv","version":2}},"canonical_sha256":"80d169ea307e21012ce7c79426066b6892dc5497c2e2e62cca0647e61b03a1bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"80d169ea307e21012ce7c79426066b6892dc5497c2e2e62cca0647e61b03a1bc","first_computed_at":"2026-07-05T00:31:54.794441Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:31:54.794441Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c4+zqjarQN4RFZG8p3jQMokrYXD3vBAWCpJyyhB6riRJlDItVdXKP+WVOPzePMV4Re/NbWshec4rrTO8BBL6Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:31:54.794995Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.01559","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a16d53e63cc4eb5fd8f90d931ace3f203c5d712f0158c934313bb98ab846f6fa","sha256:1d1674374b9081d381507b672e91752dfaeebbfefdcb49e59e4aee0b4f9805ec"],"state_sha256":"74e3cf12e5ddc3df91ca2a39e6349b77d3f0bf7b14b79a7809b451df3154c3b5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CiOhigosmBxh7DpR7rcGJlwRge34OQYnf4C28wBccee06xz66Ay/RUacbCPZlf1gNy1s6irkQvhipzyOVaEpCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T23:44:06.663515Z","bundle_sha256":"417aabeac7a1c733cf55fef2bd80db5adc33bda90497b24496416367c78c6605"}}