{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:SCYJJF5P2AMETISB4VO4Y3VJON","short_pith_number":"pith:SCYJJF5P","canonical_record":{"source":{"id":"2005.09071","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-18T20:47:12Z","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","gr-qc"],"title_canon_sha256":"f48a28852b76e2e30576a1ae3b26c84d3985a57ef638eab867a1daa1d199018d","abstract_canon_sha256":"b274c5dd6f64b47896a13b96c19fdc36cc76305e0fa2acc17e8080601114dda5"},"schema_version":"1.0"},"canonical_sha256":"90b09497afd01849a241e55dcc6ea9735589b26d753fa82ffb3cddc13a0c3da3","source":{"kind":"arxiv","id":"2005.09071","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.09071","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"arxiv_version","alias_value":"2005.09071v1","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.09071","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"pith_short_12","alias_value":"SCYJJF5P2AME","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"pith_short_16","alias_value":"SCYJJF5P2AMETISB","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"pith_short_8","alias_value":"SCYJJF5P","created_at":"2026-07-05T01:14:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:SCYJJF5P2AMETISB4VO4Y3VJON","target":"record","payload":{"canonical_record":{"source":{"id":"2005.09071","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-18T20:47:12Z","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","gr-qc"],"title_canon_sha256":"f48a28852b76e2e30576a1ae3b26c84d3985a57ef638eab867a1daa1d199018d","abstract_canon_sha256":"b274c5dd6f64b47896a13b96c19fdc36cc76305e0fa2acc17e8080601114dda5"},"schema_version":"1.0"},"canonical_sha256":"90b09497afd01849a241e55dcc6ea9735589b26d753fa82ffb3cddc13a0c3da3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:14:50.806673Z","signature_b64":"f4hUo2nXfYr94ZlDz+bxu9QN/MBAjgOIhANMDE105jSxoO07N6PzzISBI0xAA+VE0DjKDz17Mrhfg5Dr/ndXDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90b09497afd01849a241e55dcc6ea9735589b26d753fa82ffb3cddc13a0c3da3","last_reissued_at":"2026-07-05T01:14:50.806245Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:14:50.806245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.09071","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":"2026-07-05T01:14:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3jYFjT+2bJzd7mz7zFtysxSKcaKhkpLgaYZRQdBmRbdlcrRbNPz6z6wgTeqc3zRlxpmaJ+skaue3rsraClH7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:43:50.355376Z"},"content_sha256":"ed4d4f05fb186f021216cebbf7655892bf46af66c5423bd8cc9691f1590e8b15","schema_version":"1.0","event_id":"sha256:ed4d4f05fb186f021216cebbf7655892bf46af66c5423bd8cc9691f1590e8b15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:SCYJJF5P2AMETISB4VO4Y3VJON","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time-delay measurement of MgII broad line response for the highly-accreting quasar HE 0413-4031: Implications for the MgII-based radius-luminosity relation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.IM","gr-qc"],"primary_cat":"astro-ph.GA","authors_text":"Agnieszka Kurcz, Aleksandra Olejak, Andrzej Udalski, Bo\\.zena Czerny, C. Sobrino Figaredo, Grzegorz Pietrzy\\'nski, Justyna \\'Sredzi\\'nska, Krzysztof Hryniewicz, Magdalena Krupa, Marek Gorski, Marek Sarna, Martin Haas, Mary Loli Martinez-Aldama, Marzena \\'Sniegowska, Mateusz Ra{\\l}owski, Michal Zaja\\v{c}ek, Mohammad-Hassan Naddaf, Swayamtrupta Panda, Wojtek Pych","submitted_at":"2020-05-18T20:47:12Z","abstract_excerpt":"We present the monitoring of the AGN continuum and MgII broad line emission for the quasar HE 0413-4031 ($z=1.38$) based on the six-year monitoring by the South African Large Telescope (SALT). We managed to estimate a time-delay of $302.6^{+28.7}_{-33.1}$ days in the rest frame of the source using seven different methods: interpolated cross-correlation function (ICCF), discrete correlation function (DCF), $z$-transformed DCF, JAVELIN, two estimators of data regularity (Von Neumann, Bartels), and $\\chi^2$ method. This time-delay is below the value expected from the standard radius-luminosity re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.09071","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/2005.09071/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":"2026-07-05T01:14:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AOfJo73RRlhl482Es4HxnrcYfgaUOw4OKYx6Lqv3lS8ZnHY6mPSfc9mXV6xgU0wsJY7WzVQdpL7mv5MkwsY3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T11:43:50.356071Z"},"content_sha256":"940b8ff7061f65da8e485c55e395e7d935cab1b976a211213022417950b81817","schema_version":"1.0","event_id":"sha256:940b8ff7061f65da8e485c55e395e7d935cab1b976a211213022417950b81817"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SCYJJF5P2AMETISB4VO4Y3VJON/bundle.json","state_url":"https://pith.science/pith/SCYJJF5P2AMETISB4VO4Y3VJON/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SCYJJF5P2AMETISB4VO4Y3VJON/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":"2026-08-06T11:43:50Z","links":{"resolver":"https://pith.science/pith/SCYJJF5P2AMETISB4VO4Y3VJON","bundle":"https://pith.science/pith/SCYJJF5P2AMETISB4VO4Y3VJON/bundle.json","state":"https://pith.science/pith/SCYJJF5P2AMETISB4VO4Y3VJON/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SCYJJF5P2AMETISB4VO4Y3VJON/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:SCYJJF5P2AMETISB4VO4Y3VJON","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":"b274c5dd6f64b47896a13b96c19fdc36cc76305e0fa2acc17e8080601114dda5","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-18T20:47:12Z","title_canon_sha256":"f48a28852b76e2e30576a1ae3b26c84d3985a57ef638eab867a1daa1d199018d"},"schema_version":"1.0","source":{"id":"2005.09071","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.09071","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"arxiv_version","alias_value":"2005.09071v1","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.09071","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"pith_short_12","alias_value":"SCYJJF5P2AME","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"pith_short_16","alias_value":"SCYJJF5P2AMETISB","created_at":"2026-07-05T01:14:50Z"},{"alias_kind":"pith_short_8","alias_value":"SCYJJF5P","created_at":"2026-07-05T01:14:50Z"}],"graph_snapshots":[{"event_id":"sha256:940b8ff7061f65da8e485c55e395e7d935cab1b976a211213022417950b81817","target":"graph","created_at":"2026-07-05T01:14:50Z","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/2005.09071/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the monitoring of the AGN continuum and MgII broad line emission for the quasar HE 0413-4031 ($z=1.38$) based on the six-year monitoring by the South African Large Telescope (SALT). We managed to estimate a time-delay of $302.6^{+28.7}_{-33.1}$ days in the rest frame of the source using seven different methods: interpolated cross-correlation function (ICCF), discrete correlation function (DCF), $z$-transformed DCF, JAVELIN, two estimators of data regularity (Von Neumann, Bartels), and $\\chi^2$ method. This time-delay is below the value expected from the standard radius-luminosity re","authors_text":"Agnieszka Kurcz, Aleksandra Olejak, Andrzej Udalski, Bo\\.zena Czerny, C. Sobrino Figaredo, Grzegorz Pietrzy\\'nski, Justyna \\'Sredzi\\'nska, Krzysztof Hryniewicz, Magdalena Krupa, Marek Gorski, Marek Sarna, Martin Haas, Mary Loli Martinez-Aldama, Marzena \\'Sniegowska, Mateusz Ra{\\l}owski, Michal Zaja\\v{c}ek, Mohammad-Hassan Naddaf, Swayamtrupta Panda, Wojtek Pych","cross_cats":["astro-ph.HE","astro-ph.IM","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-18T20:47:12Z","title":"Time-delay measurement of MgII broad line response for the highly-accreting quasar HE 0413-4031: Implications for the MgII-based radius-luminosity relation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.09071","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:ed4d4f05fb186f021216cebbf7655892bf46af66c5423bd8cc9691f1590e8b15","target":"record","created_at":"2026-07-05T01:14:50Z","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":"b274c5dd6f64b47896a13b96c19fdc36cc76305e0fa2acc17e8080601114dda5","cross_cats_sorted":["astro-ph.HE","astro-ph.IM","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-05-18T20:47:12Z","title_canon_sha256":"f48a28852b76e2e30576a1ae3b26c84d3985a57ef638eab867a1daa1d199018d"},"schema_version":"1.0","source":{"id":"2005.09071","kind":"arxiv","version":1}},"canonical_sha256":"90b09497afd01849a241e55dcc6ea9735589b26d753fa82ffb3cddc13a0c3da3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"90b09497afd01849a241e55dcc6ea9735589b26d753fa82ffb3cddc13a0c3da3","first_computed_at":"2026-07-05T01:14:50.806245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:14:50.806245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f4hUo2nXfYr94ZlDz+bxu9QN/MBAjgOIhANMDE105jSxoO07N6PzzISBI0xAA+VE0DjKDz17Mrhfg5Dr/ndXDw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:14:50.806673Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.09071","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed4d4f05fb186f021216cebbf7655892bf46af66c5423bd8cc9691f1590e8b15","sha256:940b8ff7061f65da8e485c55e395e7d935cab1b976a211213022417950b81817"],"state_sha256":"db8e36ad0ee33bf1e392c39f5ee1a6afd4fa3d359aeabd6cad351b468a1842aa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DYuHyRwM7S2ZT8blH+7nATXa0jmSnk0RcHQEa0E96+docWor+7TkCjSJ2zmxI7/DOgILchUuXnxOCCR0BTmyCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T11:43:50.362035Z","bundle_sha256":"e7f5c03cc15bcd877aced02589b9becbfd96d3e0d49a1746ac00901b76c0cae8"}}