{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:JU4MBWY45XM34NG2NYFYCIXZW4","short_pith_number":"pith:JU4MBWY4","canonical_record":{"source":{"id":"2308.07292","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-14T17:29:11Z","cross_cats_sorted":["astro-ph.HE","physics.ins-det"],"title_canon_sha256":"22e01d93da068cb1decd5560e315b619bf0f7ce7bc2e53c55f1a2bc7050a27ba","abstract_canon_sha256":"1edeb49292afb3f51ea7a5f03ff2813c63077ea0cb9317cb62194ac95b9890e3"},"schema_version":"1.0"},"canonical_sha256":"4d38c0db1cedd9be34da6e0b8122f9b73e1e6ea4cb6bb733255bf29a9348f899","source":{"kind":"arxiv","id":"2308.07292","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.07292","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"arxiv_version","alias_value":"2308.07292v1","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.07292","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"pith_short_12","alias_value":"JU4MBWY45XM3","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"pith_short_16","alias_value":"JU4MBWY45XM34NG2","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"pith_short_8","alias_value":"JU4MBWY4","created_at":"2026-07-05T06:40:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:JU4MBWY45XM34NG2NYFYCIXZW4","target":"record","payload":{"canonical_record":{"source":{"id":"2308.07292","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-14T17:29:11Z","cross_cats_sorted":["astro-ph.HE","physics.ins-det"],"title_canon_sha256":"22e01d93da068cb1decd5560e315b619bf0f7ce7bc2e53c55f1a2bc7050a27ba","abstract_canon_sha256":"1edeb49292afb3f51ea7a5f03ff2813c63077ea0cb9317cb62194ac95b9890e3"},"schema_version":"1.0"},"canonical_sha256":"4d38c0db1cedd9be34da6e0b8122f9b73e1e6ea4cb6bb733255bf29a9348f899","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:40:58.890071Z","signature_b64":"H63Rwhn602blCrpR6OBGUJrpduurmNeL4InLoXOBEb1M3/a1jxhLtNAs8numGFKHFqnZLBJqNCKpZsNKzR0XBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d38c0db1cedd9be34da6e0b8122f9b73e1e6ea4cb6bb733255bf29a9348f899","last_reissued_at":"2026-07-05T06:40:58.889580Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:40:58.889580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.07292","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":"2026-07-05T06:40:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VVAuTwfayxNxG6aVTa5plTDB4fjLypxJjaY8dQFpkduAMsTA4r3hOMoX7JuxSE8NpPYbqOt8zRpL15T7UagfCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:03:55.755393Z"},"content_sha256":"d3acaa3a92dedcd9413077ccc0dadf6494663604028500e975a6a8dfd7e20481","schema_version":"1.0","event_id":"sha256:d3acaa3a92dedcd9413077ccc0dadf6494663604028500e975a6a8dfd7e20481"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:JU4MBWY45XM34NG2NYFYCIXZW4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Calibration and Physics with ARA Station 1: A Unique Askaryan Radio Array Detector","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.HE","physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"A. Bishop, A. Connolly, A. Cummings, A. Ishihara, A. Karle, A. Novikov, A. Nozdrina, A. Salcedo-Gomez, A. Vieregg, B.A. Clark, B. Hendricks, C. Deaconu, C.H. Liu, C. Pfendner, C. Xie, C.Y. Kuo, D.J.B. Smith, D. Seckel, D.Z. Besson, E. Friedman, E. Oberla, G.S. Varner, I. Kravchenko, J. Flaherty, J. Hanson, J.J. Beatty, J.J. Huang, J.L. Kelley, J. Nam, J. Roth, J. Torres, J. Touart, K.C. Kim, K. Couberly, K.D. de Vries, K.D. Hoffman, K. Hughes, K. Kurusu, K. Mase, L. Cremonesi, M.A. DuVernois, M.C. Kim, M.F.H Seikh, M.F.H. Seikh, M.H. A. Huang, M.S. Muzio, M.Z. Wang, N. Harty, N. Punsuebsay, N. van Eijndhoven, P. Allison, P. Chen, P. Dasgupta, P. Giri, R. Debolt, R. Gaior, R.J. Nichol, R. Krebs, R. Young, S. Ali, S. Archambault, S.A. Wissel, S. de Kockere, S.H. Wang, S. Toscano, S. Yoshida, T.C. Liu, U.A. Latif, W. Clay, W. Luszczak, Y.C. Chen, Y. Pan, Y.S. Shiao","submitted_at":"2023-08-14T17:29:11Z","abstract_excerpt":"The Askaryan Radio Array Station 1 (A1), the first among five autonomous stations deployed for the ARA experiment at the South Pole, is a unique ultra-high energy neutrino (UHEN) detector based on the Askaryan effect that uses Antarctic ice as the detector medium. Its 16 radio antennas (distributed across 4 strings, each with 2 Vertically Polarized (VPol), 2 Horizontally Polarized (HPol) receivers), and 2 strings of transmitting antennas (calibration pulsers, CPs), each with 1 VPol and 1 HPol channel, are deployed at depths less than 100 m within the shallow firn zone of the 2.8 km thick South"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.07292","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/2308.07292/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":"2026-07-05T06:40:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gf2XzsFwl6ZvJ2QxtwlJYbG9Mxos9TTsHzrkuO84zVHZsVFGTjqcpROEpoTZ+osp6f2CtueS6j2eWSXNiU5pAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:03:55.755781Z"},"content_sha256":"6ffc5112ec72b06e1c785cc3cec1b64763b281c4824b3e625e7066d5e83e8567","schema_version":"1.0","event_id":"sha256:6ffc5112ec72b06e1c785cc3cec1b64763b281c4824b3e625e7066d5e83e8567"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JU4MBWY45XM34NG2NYFYCIXZW4/bundle.json","state_url":"https://pith.science/pith/JU4MBWY45XM34NG2NYFYCIXZW4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JU4MBWY45XM34NG2NYFYCIXZW4/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":"2026-07-06T10:03:55Z","links":{"resolver":"https://pith.science/pith/JU4MBWY45XM34NG2NYFYCIXZW4","bundle":"https://pith.science/pith/JU4MBWY45XM34NG2NYFYCIXZW4/bundle.json","state":"https://pith.science/pith/JU4MBWY45XM34NG2NYFYCIXZW4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JU4MBWY45XM34NG2NYFYCIXZW4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:JU4MBWY45XM34NG2NYFYCIXZW4","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":"1edeb49292afb3f51ea7a5f03ff2813c63077ea0cb9317cb62194ac95b9890e3","cross_cats_sorted":["astro-ph.HE","physics.ins-det"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-14T17:29:11Z","title_canon_sha256":"22e01d93da068cb1decd5560e315b619bf0f7ce7bc2e53c55f1a2bc7050a27ba"},"schema_version":"1.0","source":{"id":"2308.07292","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.07292","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"arxiv_version","alias_value":"2308.07292v1","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.07292","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"pith_short_12","alias_value":"JU4MBWY45XM3","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"pith_short_16","alias_value":"JU4MBWY45XM34NG2","created_at":"2026-07-05T06:40:58Z"},{"alias_kind":"pith_short_8","alias_value":"JU4MBWY4","created_at":"2026-07-05T06:40:58Z"}],"graph_snapshots":[{"event_id":"sha256:6ffc5112ec72b06e1c785cc3cec1b64763b281c4824b3e625e7066d5e83e8567","target":"graph","created_at":"2026-07-05T06:40:58Z","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/2308.07292/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Askaryan Radio Array Station 1 (A1), the first among five autonomous stations deployed for the ARA experiment at the South Pole, is a unique ultra-high energy neutrino (UHEN) detector based on the Askaryan effect that uses Antarctic ice as the detector medium. Its 16 radio antennas (distributed across 4 strings, each with 2 Vertically Polarized (VPol), 2 Horizontally Polarized (HPol) receivers), and 2 strings of transmitting antennas (calibration pulsers, CPs), each with 1 VPol and 1 HPol channel, are deployed at depths less than 100 m within the shallow firn zone of the 2.8 km thick South","authors_text":"A. Bishop, A. Connolly, A. Cummings, A. Ishihara, A. Karle, A. Novikov, A. Nozdrina, A. Salcedo-Gomez, A. Vieregg, B.A. Clark, B. Hendricks, C. Deaconu, C.H. Liu, C. Pfendner, C. Xie, C.Y. Kuo, D.J.B. Smith, D. Seckel, D.Z. Besson, E. Friedman, E. Oberla, G.S. Varner, I. Kravchenko, J. Flaherty, J. Hanson, J.J. Beatty, J.J. Huang, J.L. Kelley, J. Nam, J. Roth, J. Torres, J. Touart, K.C. Kim, K. Couberly, K.D. de Vries, K.D. Hoffman, K. Hughes, K. Kurusu, K. Mase, L. Cremonesi, M.A. DuVernois, M.C. Kim, M.F.H Seikh, M.F.H. Seikh, M.H. A. Huang, M.S. Muzio, M.Z. Wang, N. Harty, N. Punsuebsay, N. van Eijndhoven, P. Allison, P. Chen, P. Dasgupta, P. Giri, R. Debolt, R. Gaior, R.J. Nichol, R. Krebs, R. Young, S. Ali, S. Archambault, S.A. Wissel, S. de Kockere, S.H. Wang, S. Toscano, S. Yoshida, T.C. Liu, U.A. Latif, W. Clay, W. Luszczak, Y.C. Chen, Y. Pan, Y.S. Shiao","cross_cats":["astro-ph.HE","physics.ins-det"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-14T17:29:11Z","title":"Calibration and Physics with ARA Station 1: A Unique Askaryan Radio Array Detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.07292","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:d3acaa3a92dedcd9413077ccc0dadf6494663604028500e975a6a8dfd7e20481","target":"record","created_at":"2026-07-05T06:40:58Z","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":"1edeb49292afb3f51ea7a5f03ff2813c63077ea0cb9317cb62194ac95b9890e3","cross_cats_sorted":["astro-ph.HE","physics.ins-det"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2023-08-14T17:29:11Z","title_canon_sha256":"22e01d93da068cb1decd5560e315b619bf0f7ce7bc2e53c55f1a2bc7050a27ba"},"schema_version":"1.0","source":{"id":"2308.07292","kind":"arxiv","version":1}},"canonical_sha256":"4d38c0db1cedd9be34da6e0b8122f9b73e1e6ea4cb6bb733255bf29a9348f899","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d38c0db1cedd9be34da6e0b8122f9b73e1e6ea4cb6bb733255bf29a9348f899","first_computed_at":"2026-07-05T06:40:58.889580Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:40:58.889580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H63Rwhn602blCrpR6OBGUJrpduurmNeL4InLoXOBEb1M3/a1jxhLtNAs8numGFKHFqnZLBJqNCKpZsNKzR0XBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:40:58.890071Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.07292","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3acaa3a92dedcd9413077ccc0dadf6494663604028500e975a6a8dfd7e20481","sha256:6ffc5112ec72b06e1c785cc3cec1b64763b281c4824b3e625e7066d5e83e8567"],"state_sha256":"a5e5f8989730a1b5091ba5bb0c70c94d0a8a863e12334c4fc2a4aafb29854189"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y0csCNXTpYuY7CQRhkXWpInGoijB2UVDEk+DTVtwWKUXYYYqZX7Vg4kXAJGSqR9AlmdVPf0t2LzHzRd+tyYEBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T10:03:55.757787Z","bundle_sha256":"53da130c52140f848bf0e0f02f4ec7d2825fd45a02fd12da9e1fe55e65d72c92"}}