{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:AY6XXRQN3ZIGWYFQCCLCAPGPZG","short_pith_number":"pith:AY6XXRQN","canonical_record":{"source":{"id":"1711.11199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-30T03:06:17Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"5dbaee4adc8f1c74c93557ea5cd7359b198fb5e1daccc2bb139985f89782ed3e","abstract_canon_sha256":"064891e16acd0839834e9b7360127f7ce1a18d39297d4f41b9bd970ce430d883"},"schema_version":"1.0"},"canonical_sha256":"063d7bc60dde506b60b01096203ccfc9bfcc99bffda13667071f09b5406263cc","source":{"kind":"arxiv","id":"1711.11199","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.11199","created_at":"2026-05-18T00:26:23Z"},{"alias_kind":"arxiv_version","alias_value":"1711.11199v1","created_at":"2026-05-18T00:26:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.11199","created_at":"2026-05-18T00:26:23Z"},{"alias_kind":"pith_short_12","alias_value":"AY6XXRQN3ZIG","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"AY6XXRQN3ZIGWYFQ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"AY6XXRQN","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:AY6XXRQN3ZIGWYFQCCLCAPGPZG","target":"record","payload":{"canonical_record":{"source":{"id":"1711.11199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-30T03:06:17Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"5dbaee4adc8f1c74c93557ea5cd7359b198fb5e1daccc2bb139985f89782ed3e","abstract_canon_sha256":"064891e16acd0839834e9b7360127f7ce1a18d39297d4f41b9bd970ce430d883"},"schema_version":"1.0"},"canonical_sha256":"063d7bc60dde506b60b01096203ccfc9bfcc99bffda13667071f09b5406263cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:23.514852Z","signature_b64":"SR7srUgeAYWBHZU0qa3Kwm2CsSfNIFo09ACJ6cCAGMIkVAjyZIMW/VdfJ/buEGm6ssbX1vfWyAGDAuTuNqSTAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"063d7bc60dde506b60b01096203ccfc9bfcc99bffda13667071f09b5406263cc","last_reissued_at":"2026-05-18T00:26:23.514208Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:23.514208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.11199","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":"2026-05-18T00:26:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kKIe5OB9G6LwJ+NvtY0QW/3OjLklGLAQus8WPZIyILekPfkWbYS5dtKR1WZL8/jC0sVc9ejIb+A58U/bn/BDCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:37:27.348796Z"},"content_sha256":"87ba771358b6483668d9be09fb524d5ea87423c8ccb32f12b1e3898e9ba78d80","schema_version":"1.0","event_id":"sha256:87ba771358b6483668d9be09fb524d5ea87423c8ccb32f12b1e3898e9ba78d80"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:AY6XXRQN3ZIGWYFQCCLCAPGPZG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AMI-LA Observations of the SuperCLASS Super-cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. M. M. Scaife, B. Watson, C. A. Hales, C. Demetroullas, C. J. Riseley, C.-L. Hung, C. M. Casey, D. J. Titterington, I. Harrison, J. Hickish, K. J. B. Grainge, M. Birkinshaw, M. L. Brown, N. J. Jackson, N. Razavi-Ghods, P. F. Scott, P. J. Elwood, R. A. Battye, R. J. Beswick, S. H. Carey, T. M. Cantwell, T. Muxlow, T. Z. Jin, Y. C. Perrott","submitted_at":"2017-11-30T03:06:17Z","abstract_excerpt":"We present a deep survey of the SuperCLASS super-cluster - a region of sky known to contain five Abell clusters at redshift $z\\sim0.2$ - performed using the Arcminute Microkelvin Imager (AMI) Large Array (LA) at 15.5$~$GHz. Our survey covers an area of approximately 0.9 square degrees. We achieve a nominal sensitivity of $32.0~\\mu$Jy beam$^{-1}$ toward the field centre, finding 80 sources above a $5\\sigma$ threshold. We derive the radio colour-colour distribution for sources common to three surveys that cover the field and identify three sources with strongly curved spectra - a high-frequency-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.11199","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":"2026-05-18T00:26:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dTEsR4W/GxLHABn4sYo6ehTlGTcoaUlSc3w4FYvFGI4YkBLv/SLyuaUYMxcm5wymLC7jsl8+ZQSK+LsVa8xjBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:37:27.349458Z"},"content_sha256":"73ff3eba8d1abbfb4dd36508547b92bc5cb74b8e0aed5c2b34c9fe4c4f3ccfe4","schema_version":"1.0","event_id":"sha256:73ff3eba8d1abbfb4dd36508547b92bc5cb74b8e0aed5c2b34c9fe4c4f3ccfe4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AY6XXRQN3ZIGWYFQCCLCAPGPZG/bundle.json","state_url":"https://pith.science/pith/AY6XXRQN3ZIGWYFQCCLCAPGPZG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AY6XXRQN3ZIGWYFQCCLCAPGPZG/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":"2026-05-31T00:37:27Z","links":{"resolver":"https://pith.science/pith/AY6XXRQN3ZIGWYFQCCLCAPGPZG","bundle":"https://pith.science/pith/AY6XXRQN3ZIGWYFQCCLCAPGPZG/bundle.json","state":"https://pith.science/pith/AY6XXRQN3ZIGWYFQCCLCAPGPZG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AY6XXRQN3ZIGWYFQCCLCAPGPZG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:AY6XXRQN3ZIGWYFQCCLCAPGPZG","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":"064891e16acd0839834e9b7360127f7ce1a18d39297d4f41b9bd970ce430d883","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-30T03:06:17Z","title_canon_sha256":"5dbaee4adc8f1c74c93557ea5cd7359b198fb5e1daccc2bb139985f89782ed3e"},"schema_version":"1.0","source":{"id":"1711.11199","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.11199","created_at":"2026-05-18T00:26:23Z"},{"alias_kind":"arxiv_version","alias_value":"1711.11199v1","created_at":"2026-05-18T00:26:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.11199","created_at":"2026-05-18T00:26:23Z"},{"alias_kind":"pith_short_12","alias_value":"AY6XXRQN3ZIG","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"AY6XXRQN3ZIGWYFQ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"AY6XXRQN","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:73ff3eba8d1abbfb4dd36508547b92bc5cb74b8e0aed5c2b34c9fe4c4f3ccfe4","target":"graph","created_at":"2026-05-18T00:26:23Z","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 present a deep survey of the SuperCLASS super-cluster - a region of sky known to contain five Abell clusters at redshift $z\\sim0.2$ - performed using the Arcminute Microkelvin Imager (AMI) Large Array (LA) at 15.5$~$GHz. Our survey covers an area of approximately 0.9 square degrees. We achieve a nominal sensitivity of $32.0~\\mu$Jy beam$^{-1}$ toward the field centre, finding 80 sources above a $5\\sigma$ threshold. We derive the radio colour-colour distribution for sources common to three surveys that cover the field and identify three sources with strongly curved spectra - a high-frequency-","authors_text":"A. M. M. Scaife, B. Watson, C. A. Hales, C. Demetroullas, C. J. Riseley, C.-L. Hung, C. M. Casey, D. J. Titterington, I. Harrison, J. Hickish, K. J. B. Grainge, M. Birkinshaw, M. L. Brown, N. J. Jackson, N. Razavi-Ghods, P. F. Scott, P. J. Elwood, R. A. Battye, R. J. Beswick, S. H. Carey, T. M. Cantwell, T. Muxlow, T. Z. Jin, Y. C. Perrott","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-30T03:06:17Z","title":"AMI-LA Observations of the SuperCLASS Super-cluster"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.11199","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":"sha256:87ba771358b6483668d9be09fb524d5ea87423c8ccb32f12b1e3898e9ba78d80","target":"record","created_at":"2026-05-18T00:26:23Z","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":"064891e16acd0839834e9b7360127f7ce1a18d39297d4f41b9bd970ce430d883","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-30T03:06:17Z","title_canon_sha256":"5dbaee4adc8f1c74c93557ea5cd7359b198fb5e1daccc2bb139985f89782ed3e"},"schema_version":"1.0","source":{"id":"1711.11199","kind":"arxiv","version":1}},"canonical_sha256":"063d7bc60dde506b60b01096203ccfc9bfcc99bffda13667071f09b5406263cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"063d7bc60dde506b60b01096203ccfc9bfcc99bffda13667071f09b5406263cc","first_computed_at":"2026-05-18T00:26:23.514208Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:23.514208Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SR7srUgeAYWBHZU0qa3Kwm2CsSfNIFo09ACJ6cCAGMIkVAjyZIMW/VdfJ/buEGm6ssbX1vfWyAGDAuTuNqSTAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:23.514852Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.11199","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87ba771358b6483668d9be09fb524d5ea87423c8ccb32f12b1e3898e9ba78d80","sha256:73ff3eba8d1abbfb4dd36508547b92bc5cb74b8e0aed5c2b34c9fe4c4f3ccfe4"],"state_sha256":"92aa2b0ac8772a62cf5efc0058a6c646a253dc4e92be8068af16fc0c69c83fa1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yJAPDzf6r3VQYjoLcPUNoddMYBGTukkRGEFrFHc1+cAoIHUzsLYZtgNxfGlf/boOr+0bFDMt7ZYETwhGuQx6AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:37:27.352406Z","bundle_sha256":"6f557c12acda5a82d8fd40c438d61fe063c3761e9cd912d4cc7aafa4cd9659fc"}}