{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:DX2MAOVUUDLLPXYXNXYEXQ2XLG","short_pith_number":"pith:DX2MAOVU","canonical_record":{"source":{"id":"1410.7369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-10-27T19:44:33Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"e09f6eda7cd9aec7d18d44f84e5dde6b5c3211c4743ed39a824ab1bb5ad781ab","abstract_canon_sha256":"93d71e7da1dbbf1741a936d7484039a8f0747fbc1ddcc7fcae2cf20a7782c234"},"schema_version":"1.0"},"canonical_sha256":"1df4c03ab4a0d6b7df176df04bc3575991c8cbf07b05814c324b5815b9b462a4","source":{"kind":"arxiv","id":"1410.7369","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7369","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7369v1","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7369","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"pith_short_12","alias_value":"DX2MAOVUUDLL","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DX2MAOVUUDLLPXYX","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DX2MAOVU","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:DX2MAOVUUDLLPXYXNXYEXQ2XLG","target":"record","payload":{"canonical_record":{"source":{"id":"1410.7369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-10-27T19:44:33Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"e09f6eda7cd9aec7d18d44f84e5dde6b5c3211c4743ed39a824ab1bb5ad781ab","abstract_canon_sha256":"93d71e7da1dbbf1741a936d7484039a8f0747fbc1ddcc7fcae2cf20a7782c234"},"schema_version":"1.0"},"canonical_sha256":"1df4c03ab4a0d6b7df176df04bc3575991c8cbf07b05814c324b5815b9b462a4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:17.495740Z","signature_b64":"+/kzJBgB+7HfwR9Y2g512TJbqkdml8t7rOOvTq0ZkZDA4cf9mS0+VgxWJvpsCkJhARcR3mFHocHRMvnPs9xOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1df4c03ab4a0d6b7df176df04bc3575991c8cbf07b05814c324b5815b9b462a4","last_reissued_at":"2026-05-18T02:39:17.495308Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:17.495308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.7369","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":"2026-05-18T02:39:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zeg4JBY3lOR7upcdorwfULknm7LgoUs1kBSAPom3NWFFhR+f0YAaqWb5jWOMZi3fLFTPdJe+8OKjScS+QBQ0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:31:43.585396Z"},"content_sha256":"1a96139fc6fbd563e3a7b6d698cd035cc6533afd2f13cbcddc7b7a2aa3b89d30","schema_version":"1.0","event_id":"sha256:1a96139fc6fbd563e3a7b6d698cd035cc6533afd2f13cbcddc7b7a2aa3b89d30"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:DX2MAOVUUDLLPXYXNXYEXQ2XLG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design and Performance of the ARIANNA Hexagonal Radio Array Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"A. Samanta, C. Reed, D. Z. Besson, E. C. Berg, E. Cheim, 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. Duffin, T. Prakash, T. Stezelberger","submitted_at":"2014-10-27T19:44:33Z","abstract_excerpt":"We report on the development, installation and operation of the first three of seven stations deployed at the ARIANNA site's pilot Hexagonal Radio Array in Antarctica. The primary goal of the ARIANNA project is to observe ultra-high energy (>100 PeV) cosmogenic neutrino signatures using a large array of autonomous stations each dispersed 1 km apart on the surface of the Ross Ice Shelf. Sensing radio emissions of 100 MHz to 1 GHz, each station in the array contains RF antennas, amplifiers, 1.92 G-sample/s, 850 MHz bandwidth signal acquisition circuitry, pattern-matching trigger capabilities, an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7369","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":""},"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":"2026-05-18T02:39:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZoiXLybTX88OCkZfboXtjMEUJ/wP7DarN4TOQ1W21I74GNzu5Ysztxi0jX+Fu3+q3G0IEJW6gr5hq7O5IXfuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T06:31:43.586029Z"},"content_sha256":"8c57e19c39d3b5c7404a51575576580d1ab74afa5da03b51bffc8e818c822e35","schema_version":"1.0","event_id":"sha256:8c57e19c39d3b5c7404a51575576580d1ab74afa5da03b51bffc8e818c822e35"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DX2MAOVUUDLLPXYXNXYEXQ2XLG/bundle.json","state_url":"https://pith.science/pith/DX2MAOVUUDLLPXYXNXYEXQ2XLG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DX2MAOVUUDLLPXYXNXYEXQ2XLG/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":"2026-05-27T06:31:43Z","links":{"resolver":"https://pith.science/pith/DX2MAOVUUDLLPXYXNXYEXQ2XLG","bundle":"https://pith.science/pith/DX2MAOVUUDLLPXYXNXYEXQ2XLG/bundle.json","state":"https://pith.science/pith/DX2MAOVUUDLLPXYXNXYEXQ2XLG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DX2MAOVUUDLLPXYXNXYEXQ2XLG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:DX2MAOVUUDLLPXYXNXYEXQ2XLG","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":"93d71e7da1dbbf1741a936d7484039a8f0747fbc1ddcc7fcae2cf20a7782c234","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-10-27T19:44:33Z","title_canon_sha256":"e09f6eda7cd9aec7d18d44f84e5dde6b5c3211c4743ed39a824ab1bb5ad781ab"},"schema_version":"1.0","source":{"id":"1410.7369","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7369","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7369v1","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7369","created_at":"2026-05-18T02:39:17Z"},{"alias_kind":"pith_short_12","alias_value":"DX2MAOVUUDLL","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DX2MAOVUUDLLPXYX","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DX2MAOVU","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:8c57e19c39d3b5c7404a51575576580d1ab74afa5da03b51bffc8e818c822e35","target":"graph","created_at":"2026-05-18T02:39:17Z","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":"We report on the development, installation and operation of the first three of seven stations deployed at the ARIANNA site's pilot Hexagonal Radio Array in Antarctica. The primary goal of the ARIANNA project is to observe ultra-high energy (>100 PeV) cosmogenic neutrino signatures using a large array of autonomous stations each dispersed 1 km apart on the surface of the Ross Ice Shelf. Sensing radio emissions of 100 MHz to 1 GHz, each station in the array contains RF antennas, amplifiers, 1.92 G-sample/s, 850 MHz bandwidth signal acquisition circuitry, pattern-matching trigger capabilities, an","authors_text":"A. Samanta, C. Reed, D. Z. Besson, E. C. Berg, E. Cheim, 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. Duffin, T. Prakash, T. Stezelberger","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-10-27T19:44:33Z","title":"Design and Performance of the ARIANNA Hexagonal Radio Array Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7369","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":"sha256:1a96139fc6fbd563e3a7b6d698cd035cc6533afd2f13cbcddc7b7a2aa3b89d30","target":"record","created_at":"2026-05-18T02:39:17Z","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":"93d71e7da1dbbf1741a936d7484039a8f0747fbc1ddcc7fcae2cf20a7782c234","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-10-27T19:44:33Z","title_canon_sha256":"e09f6eda7cd9aec7d18d44f84e5dde6b5c3211c4743ed39a824ab1bb5ad781ab"},"schema_version":"1.0","source":{"id":"1410.7369","kind":"arxiv","version":1}},"canonical_sha256":"1df4c03ab4a0d6b7df176df04bc3575991c8cbf07b05814c324b5815b9b462a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1df4c03ab4a0d6b7df176df04bc3575991c8cbf07b05814c324b5815b9b462a4","first_computed_at":"2026-05-18T02:39:17.495308Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:17.495308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+/kzJBgB+7HfwR9Y2g512TJbqkdml8t7rOOvTq0ZkZDA4cf9mS0+VgxWJvpsCkJhARcR3mFHocHRMvnPs9xOAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:17.495740Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.7369","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a96139fc6fbd563e3a7b6d698cd035cc6533afd2f13cbcddc7b7a2aa3b89d30","sha256:8c57e19c39d3b5c7404a51575576580d1ab74afa5da03b51bffc8e818c822e35"],"state_sha256":"2181cda3f8427b1d7bd7dad568ad09a34e50c3eca1b3e2c7bb4b0776498832b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZcB10IcgnTKwI2cNYaHVUbxpAXPEYJvJsZpqpdtq+viYRinm1aPuM9T6FPxX/Bz5+7EI07XGvP+TqJEBL6C/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T06:31:43.588783Z","bundle_sha256":"527809be698ae5d79d3c5f1c813f13f24bcfa1905bbb2412e228c76c6fb2f6b8"}}