{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YVY42RD3KQFUKDWG5TA3PX66UQ","short_pith_number":"pith:YVY42RD3","canonical_record":{"source":{"id":"2306.06046","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-09T17:14:27Z","cross_cats_sorted":[],"title_canon_sha256":"87df34c881949ac4a85727c8f5933d90016005dbb7c36faf7b8801f4d56bdd0d","abstract_canon_sha256":"08a9815b87dadeaedba52709e89b1228cdcbf4069a07e02e2aa8223256dc1f15"},"schema_version":"1.0"},"canonical_sha256":"c571cd447b540b450ec6ecc1b7dfdea4146d98f3d1dedc0625d5002cb5a1b067","source":{"kind":"arxiv","id":"2306.06046","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.06046","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"arxiv_version","alias_value":"2306.06046v1","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.06046","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"pith_short_12","alias_value":"YVY42RD3KQFU","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"pith_short_16","alias_value":"YVY42RD3KQFUKDWG","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"pith_short_8","alias_value":"YVY42RD3","created_at":"2026-07-05T06:19:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YVY42RD3KQFUKDWG5TA3PX66UQ","target":"record","payload":{"canonical_record":{"source":{"id":"2306.06046","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-09T17:14:27Z","cross_cats_sorted":[],"title_canon_sha256":"87df34c881949ac4a85727c8f5933d90016005dbb7c36faf7b8801f4d56bdd0d","abstract_canon_sha256":"08a9815b87dadeaedba52709e89b1228cdcbf4069a07e02e2aa8223256dc1f15"},"schema_version":"1.0"},"canonical_sha256":"c571cd447b540b450ec6ecc1b7dfdea4146d98f3d1dedc0625d5002cb5a1b067","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:19:13.114975Z","signature_b64":"SJ5ts+7+/Dp3IiVQdwrl9Dgz7ksgvX8VUfVLjPzVIXPpKnVdN5980Y4mIiN4VkdWvgBolXMbp2++yUeHH2UZDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c571cd447b540b450ec6ecc1b7dfdea4146d98f3d1dedc0625d5002cb5a1b067","last_reissued_at":"2026-07-05T06:19:13.114555Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:19:13.114555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.06046","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":"2026-07-05T06:19:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/vcl5F77Zg82xWjYb3E8erEDfjHL/6qD3FHJOZj9hqHqn9ZDeNhyE6pTpu+Xj4bPtjldep78GXGYD6oeX/AjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T10:14:55.332873Z"},"content_sha256":"85061e59f16cc0b086659217c9a0255d4e1245ea6f2f4d7239b6b445ecb3ce91","schema_version":"1.0","event_id":"sha256:85061e59f16cc0b086659217c9a0255d4e1245ea6f2f4d7239b6b445ecb3ce91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YVY42RD3KQFUKDWG5TA3PX66UQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Redeveloping a CLEAN Deconvolution Algorithm for Scatter-Broadened Radio Pulsar Signals","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Michael Lam, Olivia Young","submitted_at":"2023-06-09T17:14:27Z","abstract_excerpt":"Broadband radio waves emitted from pulsars are distorted and delayed as they propagate toward the Earth due to interactions with the free electrons that compose the interstellar medium, with lower radio frequencies being more impacted than higher frequencies. Multipath propagation in the interstellar medium results in both later times of arrival for the lower frequencies and causes the observed pulse to arrive with a broadened tail described via the pulse broadening function. We employ the CLEAN deconvolution technique to recover both the intrinsic pulse shape and pulse broadening function. Th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.06046","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/2306.06046/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":"2026-07-05T06:19:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x1GxZd9II7drZBT+Zx0A8nfgmg1dGRYwhrWEJ5oQYkt6OA4xsWVZ+TXpCDAiDJWZ/5u2A6yOYYwPX1Pq0aQADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T10:14:55.333213Z"},"content_sha256":"11adf3a0c0518d8e385902c2fa08b96653b5cf863b735ab280b7ec1cd27d913a","schema_version":"1.0","event_id":"sha256:11adf3a0c0518d8e385902c2fa08b96653b5cf863b735ab280b7ec1cd27d913a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YVY42RD3KQFUKDWG5TA3PX66UQ/bundle.json","state_url":"https://pith.science/pith/YVY42RD3KQFUKDWG5TA3PX66UQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YVY42RD3KQFUKDWG5TA3PX66UQ/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":"2026-08-18T10:14:55Z","links":{"resolver":"https://pith.science/pith/YVY42RD3KQFUKDWG5TA3PX66UQ","bundle":"https://pith.science/pith/YVY42RD3KQFUKDWG5TA3PX66UQ/bundle.json","state":"https://pith.science/pith/YVY42RD3KQFUKDWG5TA3PX66UQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YVY42RD3KQFUKDWG5TA3PX66UQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YVY42RD3KQFUKDWG5TA3PX66UQ","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":"08a9815b87dadeaedba52709e89b1228cdcbf4069a07e02e2aa8223256dc1f15","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-09T17:14:27Z","title_canon_sha256":"87df34c881949ac4a85727c8f5933d90016005dbb7c36faf7b8801f4d56bdd0d"},"schema_version":"1.0","source":{"id":"2306.06046","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.06046","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"arxiv_version","alias_value":"2306.06046v1","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.06046","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"pith_short_12","alias_value":"YVY42RD3KQFU","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"pith_short_16","alias_value":"YVY42RD3KQFUKDWG","created_at":"2026-07-05T06:19:13Z"},{"alias_kind":"pith_short_8","alias_value":"YVY42RD3","created_at":"2026-07-05T06:19:13Z"}],"graph_snapshots":[{"event_id":"sha256:11adf3a0c0518d8e385902c2fa08b96653b5cf863b735ab280b7ec1cd27d913a","target":"graph","created_at":"2026-07-05T06:19:13Z","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/2306.06046/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Broadband radio waves emitted from pulsars are distorted and delayed as they propagate toward the Earth due to interactions with the free electrons that compose the interstellar medium, with lower radio frequencies being more impacted than higher frequencies. Multipath propagation in the interstellar medium results in both later times of arrival for the lower frequencies and causes the observed pulse to arrive with a broadened tail described via the pulse broadening function. We employ the CLEAN deconvolution technique to recover both the intrinsic pulse shape and pulse broadening function. Th","authors_text":"Michael Lam, Olivia Young","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-09T17:14:27Z","title":"Redeveloping a CLEAN Deconvolution Algorithm for Scatter-Broadened Radio Pulsar Signals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.06046","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":"sha256:85061e59f16cc0b086659217c9a0255d4e1245ea6f2f4d7239b6b445ecb3ce91","target":"record","created_at":"2026-07-05T06:19:13Z","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":"08a9815b87dadeaedba52709e89b1228cdcbf4069a07e02e2aa8223256dc1f15","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-06-09T17:14:27Z","title_canon_sha256":"87df34c881949ac4a85727c8f5933d90016005dbb7c36faf7b8801f4d56bdd0d"},"schema_version":"1.0","source":{"id":"2306.06046","kind":"arxiv","version":1}},"canonical_sha256":"c571cd447b540b450ec6ecc1b7dfdea4146d98f3d1dedc0625d5002cb5a1b067","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c571cd447b540b450ec6ecc1b7dfdea4146d98f3d1dedc0625d5002cb5a1b067","first_computed_at":"2026-07-05T06:19:13.114555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:19:13.114555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SJ5ts+7+/Dp3IiVQdwrl9Dgz7ksgvX8VUfVLjPzVIXPpKnVdN5980Y4mIiN4VkdWvgBolXMbp2++yUeHH2UZDw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:19:13.114975Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.06046","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85061e59f16cc0b086659217c9a0255d4e1245ea6f2f4d7239b6b445ecb3ce91","sha256:11adf3a0c0518d8e385902c2fa08b96653b5cf863b735ab280b7ec1cd27d913a"],"state_sha256":"abbca9ddfcf2b721f021bb5f7de7aa55275a85d6b94f1472a79a058f4111b264"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V6OaIp60EvUK2jWBVAqgfN3Ta8yMIIRftOuzryUXZHI3JNWxR0Cl2euBzbv9rFDCrFRPkniJ8Jm3Ad7msY91BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T10:14:55.336811Z","bundle_sha256":"fb2ee44e4c008415a67731b8e87bcb895a6b5773024511b97cf153cf167f7cb8"}}