{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IY4DJVKFT7IXDWB7FJF4RGQ3UU","short_pith_number":"pith:IY4DJVKF","canonical_record":{"source":{"id":"1406.0820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-06-03T19:20:45Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2c1ff29c9b017a76eb94b46f4f51386b10eedada8c81df54169fba4beb85747a","abstract_canon_sha256":"c8014c0594da41c1df897f5e54ac9c873d8c1a08f904983a0062719882cda9dd"},"schema_version":"1.0"},"canonical_sha256":"463834d5459fd171d83f2a4bc89a1ba53363af9308dfd862427fa6a125c6c3c2","source":{"kind":"arxiv","id":"1406.0820","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.0820","created_at":"2026-05-18T02:39:48Z"},{"alias_kind":"arxiv_version","alias_value":"1406.0820v2","created_at":"2026-05-18T02:39:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.0820","created_at":"2026-05-18T02:39:48Z"},{"alias_kind":"pith_short_12","alias_value":"IY4DJVKFT7IX","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IY4DJVKFT7IXDWB7","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IY4DJVKF","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IY4DJVKFT7IXDWB7FJF4RGQ3UU","target":"record","payload":{"canonical_record":{"source":{"id":"1406.0820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-06-03T19:20:45Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2c1ff29c9b017a76eb94b46f4f51386b10eedada8c81df54169fba4beb85747a","abstract_canon_sha256":"c8014c0594da41c1df897f5e54ac9c873d8c1a08f904983a0062719882cda9dd"},"schema_version":"1.0"},"canonical_sha256":"463834d5459fd171d83f2a4bc89a1ba53363af9308dfd862427fa6a125c6c3c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:48.144616Z","signature_b64":"zGYtQelUIf4eFrE5Xcsi2TV9BWr9gusGa2A88M8fN7xTMxvwrl8LIRSQgH/raVXldrQp7gfx0cjt58XbuonDBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"463834d5459fd171d83f2a4bc89a1ba53363af9308dfd862427fa6a125c6c3c2","last_reissued_at":"2026-05-18T02:39:48.144137Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:48.144137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.0820","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":"2026-05-18T02:39:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DSd1Q0MfBg4kGbqSg30TareSdRzM8w1iX5g6b/HPYFBI1uRknZdqQv80SVS80D/pfJMHeRXbUvD6WmZjKTuNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:04:48.508251Z"},"content_sha256":"75fb473ba814da85d989e7e15961834189d4232c8270f076f465569d9a7d775e","schema_version":"1.0","event_id":"sha256:75fb473ba814da85d989e7e15961834189d4232c8270f076f465569d9a7d775e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IY4DJVKFT7IXDWB7FJF4RGQ3UU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Time Domain Response of the ARIANNA Detector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.IM","authors_text":"C. Reed, D.Z. Besson, E.C. Berg, J.C. Hanson, J. Tatar, J. Walker, K. Ratzlaff, L. Zou, M. Piasecki, M. Roumi, R. Young, S.A. Kleinfelder, S.R. Klein, S.W. Barwick, T. Stezelberger","submitted_at":"2014-06-03T19:20:45Z","abstract_excerpt":"The Antarctic Ross Ice Shelf Antenna Neutrino Array (ARIANNA) is a high-energy neutrino detector designed to record the Askaryan electric field signature of cosmogenic neutrino interactions in ice. To understand the inherent radio-frequency (RF) neutrino signature, the time-domain response of the ARIANNA RF receiver must be measured. ARIANNA uses Create CLP5130-2N log-periodic dipole arrays (LPDAs). The associated effective height operator converts incident electric fields to voltage waveforms at the LDPA terminals. The effective height versus time and incident angle was measured, along with t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.0820","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":""},"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":"2026-05-18T02:39:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CiVFh2lWG+AKi6WxczmD8lkYGzCbc8BGQFke4pxkEQ9593efUnQ7XggzHT6RxttCuIIFiLGxt0u8wOu8fRlAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:04:48.508977Z"},"content_sha256":"d814db788015e4dd2f7ffd3e799e8b66de6473b928da1c3cae646b94f4500721","schema_version":"1.0","event_id":"sha256:d814db788015e4dd2f7ffd3e799e8b66de6473b928da1c3cae646b94f4500721"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IY4DJVKFT7IXDWB7FJF4RGQ3UU/bundle.json","state_url":"https://pith.science/pith/IY4DJVKFT7IXDWB7FJF4RGQ3UU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IY4DJVKFT7IXDWB7FJF4RGQ3UU/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":"2026-05-19T09:04:48Z","links":{"resolver":"https://pith.science/pith/IY4DJVKFT7IXDWB7FJF4RGQ3UU","bundle":"https://pith.science/pith/IY4DJVKFT7IXDWB7FJF4RGQ3UU/bundle.json","state":"https://pith.science/pith/IY4DJVKFT7IXDWB7FJF4RGQ3UU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IY4DJVKFT7IXDWB7FJF4RGQ3UU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IY4DJVKFT7IXDWB7FJF4RGQ3UU","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":"c8014c0594da41c1df897f5e54ac9c873d8c1a08f904983a0062719882cda9dd","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-06-03T19:20:45Z","title_canon_sha256":"2c1ff29c9b017a76eb94b46f4f51386b10eedada8c81df54169fba4beb85747a"},"schema_version":"1.0","source":{"id":"1406.0820","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.0820","created_at":"2026-05-18T02:39:48Z"},{"alias_kind":"arxiv_version","alias_value":"1406.0820v2","created_at":"2026-05-18T02:39:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.0820","created_at":"2026-05-18T02:39:48Z"},{"alias_kind":"pith_short_12","alias_value":"IY4DJVKFT7IX","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IY4DJVKFT7IXDWB7","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IY4DJVKF","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:d814db788015e4dd2f7ffd3e799e8b66de6473b928da1c3cae646b94f4500721","target":"graph","created_at":"2026-05-18T02:39:48Z","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":"The Antarctic Ross Ice Shelf Antenna Neutrino Array (ARIANNA) is a high-energy neutrino detector designed to record the Askaryan electric field signature of cosmogenic neutrino interactions in ice. To understand the inherent radio-frequency (RF) neutrino signature, the time-domain response of the ARIANNA RF receiver must be measured. ARIANNA uses Create CLP5130-2N log-periodic dipole arrays (LPDAs). The associated effective height operator converts incident electric fields to voltage waveforms at the LDPA terminals. The effective height versus time and incident angle was measured, along with t","authors_text":"C. Reed, D.Z. Besson, E.C. Berg, J.C. Hanson, J. Tatar, J. Walker, K. Ratzlaff, L. Zou, M. Piasecki, M. Roumi, R. Young, S.A. Kleinfelder, S.R. Klein, S.W. Barwick, T. Stezelberger","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-06-03T19:20:45Z","title":"Time Domain Response of the ARIANNA Detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.0820","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":"sha256:75fb473ba814da85d989e7e15961834189d4232c8270f076f465569d9a7d775e","target":"record","created_at":"2026-05-18T02:39:48Z","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":"c8014c0594da41c1df897f5e54ac9c873d8c1a08f904983a0062719882cda9dd","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-06-03T19:20:45Z","title_canon_sha256":"2c1ff29c9b017a76eb94b46f4f51386b10eedada8c81df54169fba4beb85747a"},"schema_version":"1.0","source":{"id":"1406.0820","kind":"arxiv","version":2}},"canonical_sha256":"463834d5459fd171d83f2a4bc89a1ba53363af9308dfd862427fa6a125c6c3c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"463834d5459fd171d83f2a4bc89a1ba53363af9308dfd862427fa6a125c6c3c2","first_computed_at":"2026-05-18T02:39:48.144137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:48.144137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zGYtQelUIf4eFrE5Xcsi2TV9BWr9gusGa2A88M8fN7xTMxvwrl8LIRSQgH/raVXldrQp7gfx0cjt58XbuonDBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:48.144616Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.0820","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75fb473ba814da85d989e7e15961834189d4232c8270f076f465569d9a7d775e","sha256:d814db788015e4dd2f7ffd3e799e8b66de6473b928da1c3cae646b94f4500721"],"state_sha256":"52b6d145b82682d5813f444eb38bc6fc81d0f56ff256437477a6e44090505436"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6gLm6ANip/4OAcDO3q5AM5GJ6Cm84KFKGFSl/1RGgmI/STmLKfunjRysFjLJ+y2HN+ANBl4NS3zEjB83PjTeAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T09:04:48.512351Z","bundle_sha256":"eeecb4f2b3ce83b2a5250089ec9984f6201efb692401af44511438bb068093b5"}}