{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2LUC6AZHLAGVEAPUKA4VBZWQBJ","short_pith_number":"pith:2LUC6AZH","canonical_record":{"source":{"id":"2512.11969","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-12T19:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"a0f536155a3b2a48a9be286c4a04d43a63bea5fe97fbcec9271a50bbadf08baf","abstract_canon_sha256":"fd6e2c97d2ecbda3f03581f0a5f1b9b76a718aad17d7e26125a9dbe93f9d9941"},"schema_version":"1.0"},"canonical_sha256":"d2e82f0327580d5201f4503950e6d00a54c0b3a15a8b3225ab1365df69246997","source":{"kind":"arxiv","id":"2512.11969","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.11969","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"2512.11969v1","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.11969","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"2LUC6AZHLAGV","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"pith_short_16","alias_value":"2LUC6AZHLAGVEAPU","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"pith_short_8","alias_value":"2LUC6AZH","created_at":"2026-06-03T01:05:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2LUC6AZHLAGVEAPUKA4VBZWQBJ","target":"record","payload":{"canonical_record":{"source":{"id":"2512.11969","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-12T19:00:06Z","cross_cats_sorted":[],"title_canon_sha256":"a0f536155a3b2a48a9be286c4a04d43a63bea5fe97fbcec9271a50bbadf08baf","abstract_canon_sha256":"fd6e2c97d2ecbda3f03581f0a5f1b9b76a718aad17d7e26125a9dbe93f9d9941"},"schema_version":"1.0"},"canonical_sha256":"d2e82f0327580d5201f4503950e6d00a54c0b3a15a8b3225ab1365df69246997","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T01:05:46.908757Z","signature_b64":"sd8Pav1lRdYnY1cL+yKXORPQsIcXwNuyRiaLI+YyAcfPHnQKZWgXJ+Yyn7vBX2Yag1mDRdhZWRmP3AsLy8d+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2e82f0327580d5201f4503950e6d00a54c0b3a15a8b3225ab1365df69246997","last_reissued_at":"2026-06-03T01:05:46.908270Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T01:05:46.908270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.11969","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":"2026-06-03T01:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"75xAbLYUXAYfy66RVcIcZ6stSd9exFuFFgV/e+l9tCvoB1smpXFUdaCMpc5RCAN5Lu6RPwnp7iWrL22QK7dGBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:54:25.230563Z"},"content_sha256":"52c1f22901672cc7543fe4561fc32490a6c61eff1194970901ac5d1761853657","schema_version":"1.0","event_id":"sha256:52c1f22901672cc7543fe4561fc32490a6c61eff1194970901ac5d1761853657"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2LUC6AZHLAGVEAPUKA4VBZWQBJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of Partial Coherence due to Multipath Propagation for FRB 20220413B with CHIME/FRB","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Afrokk Khan, Calvin Leung, Evan Davies-Velie, Kenzie Nimmo, Kiyoshi W. Masui, Matt Dobbs, Mawson Sammons, Robert Main, Ue-Li Pen, Zarif Kader","submitted_at":"2025-12-12T19:00:06Z","abstract_excerpt":"Fast radio bursts (FRBs) are a $\\sim$ millisecond-long transient phenomenon that propagate across extragalactic distances and are effectively a point source. Radio wave propagation through inhomogeneous distributions of plasma can act as a lens, generating multiple images of the emitted electric field. A lens can produce images of a point source where the phase of the electric field between images remains coherent when observed by a radio telescope. FRB 20220413B shows a complicated pulse structure with time separated components that may be image copies of the main components due to plasma len"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.11969","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/2512.11969/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":"2026-06-03T01:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wo8wqcEEpRyRd47mf/9eBhxHJAFZ0u9xe5QV6SjCt3Z8M4meLScC7VC8xioslftk+b45+OU98u3vkvciOc5JBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T04:54:25.231127Z"},"content_sha256":"11467d0bb299efd16cbb44b3a0dd50e66fb879c0c8e1393d651d88cb6e78b2b6","schema_version":"1.0","event_id":"sha256:11467d0bb299efd16cbb44b3a0dd50e66fb879c0c8e1393d651d88cb6e78b2b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2LUC6AZHLAGVEAPUKA4VBZWQBJ/bundle.json","state_url":"https://pith.science/pith/2LUC6AZHLAGVEAPUKA4VBZWQBJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2LUC6AZHLAGVEAPUKA4VBZWQBJ/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":"2026-08-04T04:54:25Z","links":{"resolver":"https://pith.science/pith/2LUC6AZHLAGVEAPUKA4VBZWQBJ","bundle":"https://pith.science/pith/2LUC6AZHLAGVEAPUKA4VBZWQBJ/bundle.json","state":"https://pith.science/pith/2LUC6AZHLAGVEAPUKA4VBZWQBJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2LUC6AZHLAGVEAPUKA4VBZWQBJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2LUC6AZHLAGVEAPUKA4VBZWQBJ","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":"fd6e2c97d2ecbda3f03581f0a5f1b9b76a718aad17d7e26125a9dbe93f9d9941","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-12T19:00:06Z","title_canon_sha256":"a0f536155a3b2a48a9be286c4a04d43a63bea5fe97fbcec9271a50bbadf08baf"},"schema_version":"1.0","source":{"id":"2512.11969","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.11969","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"2512.11969v1","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.11969","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"2LUC6AZHLAGV","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"pith_short_16","alias_value":"2LUC6AZHLAGVEAPU","created_at":"2026-06-03T01:05:46Z"},{"alias_kind":"pith_short_8","alias_value":"2LUC6AZH","created_at":"2026-06-03T01:05:46Z"}],"graph_snapshots":[{"event_id":"sha256:11467d0bb299efd16cbb44b3a0dd50e66fb879c0c8e1393d651d88cb6e78b2b6","target":"graph","created_at":"2026-06-03T01:05:46Z","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/2512.11969/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast radio bursts (FRBs) are a $\\sim$ millisecond-long transient phenomenon that propagate across extragalactic distances and are effectively a point source. Radio wave propagation through inhomogeneous distributions of plasma can act as a lens, generating multiple images of the emitted electric field. A lens can produce images of a point source where the phase of the electric field between images remains coherent when observed by a radio telescope. FRB 20220413B shows a complicated pulse structure with time separated components that may be image copies of the main components due to plasma len","authors_text":"Afrokk Khan, Calvin Leung, Evan Davies-Velie, Kenzie Nimmo, Kiyoshi W. Masui, Matt Dobbs, Mawson Sammons, Robert Main, Ue-Li Pen, Zarif Kader","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-12T19:00:06Z","title":"Detection of Partial Coherence due to Multipath Propagation for FRB 20220413B with CHIME/FRB"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.11969","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":"sha256:52c1f22901672cc7543fe4561fc32490a6c61eff1194970901ac5d1761853657","target":"record","created_at":"2026-06-03T01:05:46Z","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":"fd6e2c97d2ecbda3f03581f0a5f1b9b76a718aad17d7e26125a9dbe93f9d9941","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-12-12T19:00:06Z","title_canon_sha256":"a0f536155a3b2a48a9be286c4a04d43a63bea5fe97fbcec9271a50bbadf08baf"},"schema_version":"1.0","source":{"id":"2512.11969","kind":"arxiv","version":1}},"canonical_sha256":"d2e82f0327580d5201f4503950e6d00a54c0b3a15a8b3225ab1365df69246997","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2e82f0327580d5201f4503950e6d00a54c0b3a15a8b3225ab1365df69246997","first_computed_at":"2026-06-03T01:05:46.908270Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T01:05:46.908270Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sd8Pav1lRdYnY1cL+yKXORPQsIcXwNuyRiaLI+YyAcfPHnQKZWgXJ+Yyn7vBX2Yag1mDRdhZWRmP3AsLy8d+BQ==","signature_status":"signed_v1","signed_at":"2026-06-03T01:05:46.908757Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.11969","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52c1f22901672cc7543fe4561fc32490a6c61eff1194970901ac5d1761853657","sha256:11467d0bb299efd16cbb44b3a0dd50e66fb879c0c8e1393d651d88cb6e78b2b6"],"state_sha256":"57184765271179c2f4746d1d662c4449ee3b4b47295ddc813d9265d243de6881"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Et4ssFT7NITYBiOhyWg1c/nSiqfQCn5MsoB9vaIaAdQ2CeI7iXYQh1uZhik1KWbUAIME/AqpSXOMOjWJFLNlDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T04:54:25.235137Z","bundle_sha256":"4e10a6a2a13008a47e8b60f7e5173e0ff485b64b7f099876855d349b5e4cdc6c"}}