{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:Z7X5VZR7OCFNFQOFYEZV336ZXR","short_pith_number":"pith:Z7X5VZR7","canonical_record":{"source":{"id":"2406.08549","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-06-12T18:00:04Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"4dbaea56978a031383d1675ff3d6f1d41c139971801ce41941af1128f554aa36","abstract_canon_sha256":"f33474da1fda7313f6f60959d66e7906a32c56c86f0031664b07e5ae6721be4d"},"schema_version":"1.0"},"canonical_sha256":"cfefdae63f708ad2c1c5c1335defd9bc6b6cd81f7609c03826aded86cfc3ba2d","source":{"kind":"arxiv","id":"2406.08549","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08549","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08549v1","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08549","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"Z7X5VZR7OCFN","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"pith_short_16","alias_value":"Z7X5VZR7OCFNFQOF","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"pith_short_8","alias_value":"Z7X5VZR7","created_at":"2026-07-05T08:31:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:Z7X5VZR7OCFNFQOFYEZV336ZXR","target":"record","payload":{"canonical_record":{"source":{"id":"2406.08549","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-06-12T18:00:04Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"4dbaea56978a031383d1675ff3d6f1d41c139971801ce41941af1128f554aa36","abstract_canon_sha256":"f33474da1fda7313f6f60959d66e7906a32c56c86f0031664b07e5ae6721be4d"},"schema_version":"1.0"},"canonical_sha256":"cfefdae63f708ad2c1c5c1335defd9bc6b6cd81f7609c03826aded86cfc3ba2d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:31:19.081970Z","signature_b64":"S2p5WjSFMupAW7nKhqYSiKGEJerdL+G4w8WZ7LONRCIR8qWm36c5s3JYgaOKWOt8Bh89tuk50kYUy7CjwnlEDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfefdae63f708ad2c1c5c1335defd9bc6b6cd81f7609c03826aded86cfc3ba2d","last_reissued_at":"2026-07-05T08:31:19.081437Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:31:19.081437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.08549","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":"2026-07-05T08:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L+G+jC9ZmZyOTeial/4IruJxIEOX9f7Pf/wez8Fvlp3qZPJuGQVdTCHM+5iEwylwH84Tdgp/2oFy4WWHpmR9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:52:16.480844Z"},"content_sha256":"d1b8968b5b0b810d1290ce222219a52d0f33c3838381104aab76153c705c429f","schema_version":"1.0","event_id":"sha256:d1b8968b5b0b810d1290ce222219a52d0f33c3838381104aab76153c705c429f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:Z7X5VZR7OCFNFQOFYEZV336ZXR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigating Mutual Coupling in the Hydrogen Epoch of Reionization Array and Mitigating its Effects on the 21-cm Power Spectrum","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"A. Ewall-Wice, A. Ghosh, A. Gorce, A. Lanman, A. Liu, A. Mesinger, A. P. Beardsley, A. R. Parsons, A. T. Josaitis, B. J. Hazelton, B. K. Gehlot, B. Marero, B. Nikolic, C. Malgas, D. C. Jacobs, D. Gorthi, D. H. E. MacMahon, D. R. DeBoer, D. Riley, D. Storer, E. de Lera Acedo, E. Rath, G. Bernardi, H. Garsden, H. Nuwegeld, H. Swarts, H. Zheng, J. Burba, J. D. Bowman, J. E. Aguirre, J. Ely, J. Hickish, J. Kerrigan, J. N. Hewitt, J. Robnett, J. S. Dillon, J. Tan, K.-F. Chen, K. Gale-Sides, K. Malgas, K. Rosie, L. Malan, L. M. Berkhout, L. McBride, M. Dexter, M. F. Morales, M. G. Santos, M. J. Wilensky, M. Kolopanis, M. Molewa, N. Eksteen, N. Fagnoni, N. Mohamed-Hinds, N. Patra, N. Razavi-Ghods, N. S. Kern, P. Bull, P. K. G. Williams, P. Kittiwisit, P. La Plante, P. Sims, P. van Wyngaarden, R. Baartman, R. Byrne, R. Fritz, R. Pascua, S. Carey, S. Choudhuri, S. Dynes, S. G. Murray, S. R. Furlanetto, S. Singh, T. Adams, T. Cox, T. Huang, T. S. Billings, Y. Qin, Y.-Z. Ma, Z. Abdurashidova, Z. E. Martinot, Z. Halday","submitted_at":"2024-06-12T18:00:04Z","abstract_excerpt":"Interferometric experiments designed to detect the highly redshifted 21-cm signal from neutral hydrogen are producing increasingly stringent constraints on the 21-cm power spectrum, but some k-modes remain systematics-dominated. Mutual coupling is a major systematic that must be overcome in order to detect the 21-cm signal, and simulations that reproduce effects seen in the data can guide strategies for mitigating mutual coupling. In this paper, we analyse 12 nights of data from the Hydrogen Epoch of Reionization Array and compare the data against simulations that include a computationally eff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08549","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/2406.08549/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":"2026-07-05T08:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VtHd3RH7SPYIzFLe2vCXXNd7jkO3dRw9lJvzXpMi1o6WbMUnXMM8B4hQ4y97ORy5SI29wa0S1vva6LQO3KJyBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:52:16.481234Z"},"content_sha256":"190eeba119ac3d64f666ce95ce131f509a20ff48a810e587da0bf48241a8e66e","schema_version":"1.0","event_id":"sha256:190eeba119ac3d64f666ce95ce131f509a20ff48a810e587da0bf48241a8e66e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z7X5VZR7OCFNFQOFYEZV336ZXR/bundle.json","state_url":"https://pith.science/pith/Z7X5VZR7OCFNFQOFYEZV336ZXR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z7X5VZR7OCFNFQOFYEZV336ZXR/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":"2026-07-07T03:52:16Z","links":{"resolver":"https://pith.science/pith/Z7X5VZR7OCFNFQOFYEZV336ZXR","bundle":"https://pith.science/pith/Z7X5VZR7OCFNFQOFYEZV336ZXR/bundle.json","state":"https://pith.science/pith/Z7X5VZR7OCFNFQOFYEZV336ZXR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z7X5VZR7OCFNFQOFYEZV336ZXR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:Z7X5VZR7OCFNFQOFYEZV336ZXR","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":"f33474da1fda7313f6f60959d66e7906a32c56c86f0031664b07e5ae6721be4d","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-06-12T18:00:04Z","title_canon_sha256":"4dbaea56978a031383d1675ff3d6f1d41c139971801ce41941af1128f554aa36"},"schema_version":"1.0","source":{"id":"2406.08549","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08549","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08549v1","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08549","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"Z7X5VZR7OCFN","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"pith_short_16","alias_value":"Z7X5VZR7OCFNFQOF","created_at":"2026-07-05T08:31:19Z"},{"alias_kind":"pith_short_8","alias_value":"Z7X5VZR7","created_at":"2026-07-05T08:31:19Z"}],"graph_snapshots":[{"event_id":"sha256:190eeba119ac3d64f666ce95ce131f509a20ff48a810e587da0bf48241a8e66e","target":"graph","created_at":"2026-07-05T08:31:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.08549/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Interferometric experiments designed to detect the highly redshifted 21-cm signal from neutral hydrogen are producing increasingly stringent constraints on the 21-cm power spectrum, but some k-modes remain systematics-dominated. Mutual coupling is a major systematic that must be overcome in order to detect the 21-cm signal, and simulations that reproduce effects seen in the data can guide strategies for mitigating mutual coupling. In this paper, we analyse 12 nights of data from the Hydrogen Epoch of Reionization Array and compare the data against simulations that include a computationally eff","authors_text":"A. Ewall-Wice, A. Ghosh, A. Gorce, A. Lanman, A. Liu, A. Mesinger, A. P. Beardsley, A. R. Parsons, A. T. Josaitis, B. J. Hazelton, B. K. Gehlot, B. Marero, B. Nikolic, C. Malgas, D. C. Jacobs, D. Gorthi, D. H. E. MacMahon, D. R. DeBoer, D. Riley, D. Storer, E. de Lera Acedo, E. Rath, G. Bernardi, H. Garsden, H. Nuwegeld, H. Swarts, H. Zheng, J. Burba, J. D. Bowman, J. E. Aguirre, J. Ely, J. Hickish, J. Kerrigan, J. N. Hewitt, J. Robnett, J. S. Dillon, J. Tan, K.-F. Chen, K. Gale-Sides, K. Malgas, K. Rosie, L. Malan, L. M. Berkhout, L. McBride, M. Dexter, M. F. Morales, M. G. Santos, M. J. Wilensky, M. Kolopanis, M. Molewa, N. Eksteen, N. Fagnoni, N. Mohamed-Hinds, N. Patra, N. Razavi-Ghods, N. S. Kern, P. Bull, P. K. G. Williams, P. Kittiwisit, P. La Plante, P. Sims, P. van Wyngaarden, R. Baartman, R. Byrne, R. Fritz, R. Pascua, S. Carey, S. Choudhuri, S. Dynes, S. G. Murray, S. R. Furlanetto, S. Singh, T. Adams, T. Cox, T. Huang, T. S. Billings, Y. Qin, Y.-Z. Ma, Z. Abdurashidova, Z. E. Martinot, Z. Halday","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-06-12T18:00:04Z","title":"Investigating Mutual Coupling in the Hydrogen Epoch of Reionization Array and Mitigating its Effects on the 21-cm Power Spectrum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08549","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:d1b8968b5b0b810d1290ce222219a52d0f33c3838381104aab76153c705c429f","target":"record","created_at":"2026-07-05T08:31:19Z","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":"f33474da1fda7313f6f60959d66e7906a32c56c86f0031664b07e5ae6721be4d","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-06-12T18:00:04Z","title_canon_sha256":"4dbaea56978a031383d1675ff3d6f1d41c139971801ce41941af1128f554aa36"},"schema_version":"1.0","source":{"id":"2406.08549","kind":"arxiv","version":1}},"canonical_sha256":"cfefdae63f708ad2c1c5c1335defd9bc6b6cd81f7609c03826aded86cfc3ba2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfefdae63f708ad2c1c5c1335defd9bc6b6cd81f7609c03826aded86cfc3ba2d","first_computed_at":"2026-07-05T08:31:19.081437Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:31:19.081437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S2p5WjSFMupAW7nKhqYSiKGEJerdL+G4w8WZ7LONRCIR8qWm36c5s3JYgaOKWOt8Bh89tuk50kYUy7CjwnlEDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:31:19.081970Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.08549","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1b8968b5b0b810d1290ce222219a52d0f33c3838381104aab76153c705c429f","sha256:190eeba119ac3d64f666ce95ce131f509a20ff48a810e587da0bf48241a8e66e"],"state_sha256":"d396f46b87e2b6800e0bfbecafa5eb87b05b14511dd978b358cd91d0875f0c27"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qzYFebMZmDOQWXZo9cWErGkBiX+JpIrwdSpcRNLf84CPdq0hsoVH9NSpaiZ8plOM7UrbTzovZ8D9/TidkQcRDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T03:52:16.483400Z","bundle_sha256":"7436f89662eba05f898d0a3022eab8c281220d7f7bf23243dd7ce221a509ae46"}}