{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QXZOCHJSSTUF7Z5TL5HXXRCMTZ","short_pith_number":"pith:QXZOCHJS","canonical_record":{"source":{"id":"1703.06580","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-03-20T03:12:51Z","cross_cats_sorted":[],"title_canon_sha256":"6ec725ffe17382e4aea5567cf5221c5534462003695bd24fc8a68e5e603550b2","abstract_canon_sha256":"373d72c0286c2b7ac670838cd66a321fd12ec1467470a9e590afa6710d92d9f3"},"schema_version":"1.0"},"canonical_sha256":"85f2e11d3294e85fe7b35f4f7bc44c9e7794493eb70faa5124c533e6dc520371","source":{"kind":"arxiv","id":"1703.06580","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.06580","created_at":"2026-05-18T00:41:36Z"},{"alias_kind":"arxiv_version","alias_value":"1703.06580v1","created_at":"2026-05-18T00:41:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.06580","created_at":"2026-05-18T00:41:36Z"},{"alias_kind":"pith_short_12","alias_value":"QXZOCHJSSTUF","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QXZOCHJSSTUF7Z5T","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QXZOCHJS","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QXZOCHJSSTUF7Z5TL5HXXRCMTZ","target":"record","payload":{"canonical_record":{"source":{"id":"1703.06580","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-03-20T03:12:51Z","cross_cats_sorted":[],"title_canon_sha256":"6ec725ffe17382e4aea5567cf5221c5534462003695bd24fc8a68e5e603550b2","abstract_canon_sha256":"373d72c0286c2b7ac670838cd66a321fd12ec1467470a9e590afa6710d92d9f3"},"schema_version":"1.0"},"canonical_sha256":"85f2e11d3294e85fe7b35f4f7bc44c9e7794493eb70faa5124c533e6dc520371","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:36.290309Z","signature_b64":"1qpVZ9mweLgaBpvsec2wiJe1TiyPI/38rsp451ljE1dJTW/d1QM1dhrNm1KBe9qN88oo9+fNh1P/rjmu0txGCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85f2e11d3294e85fe7b35f4f7bc44c9e7794493eb70faa5124c533e6dc520371","last_reissued_at":"2026-05-18T00:41:36.289693Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:36.289693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.06580","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":"2026-05-18T00:41:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oIWk06ZopwGDeVPTYVWYX5O+rTPl/GJa4veofCKUH2nrNFDw8zYCHsz3cpzweE8ogzB0ex3ursXc8KzuT7M0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T21:38:17.153690Z"},"content_sha256":"d3e7a06c8055c151d01de9711fd1ef35c2b2c02550b5552eaa68ee64802c95ca","schema_version":"1.0","event_id":"sha256:d3e7a06c8055c151d01de9711fd1ef35c2b2c02550b5552eaa68ee64802c95ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QXZOCHJSSTUF7Z5TL5HXXRCMTZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lensing of Fast Radio Bursts by Plasma Structures in Host Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"I. Wasserman, J. M. Cordes, J.W.T. Hessels, R. S. Wharton, S. Chatterjee, T.J.W. Lazio","submitted_at":"2017-03-20T03:12:51Z","abstract_excerpt":"Plasma lenses in the host galaxies of fast radio bursts (FRBs) can strongly modulate FRB amplitudes for a wide range of distances, including the $\\sim $ Gpc distance of the repeater FRB121102. To produce caustics, the lens' dispersion-measure depth (${\\rm DM}_{\\ell}$), scale size ($a$), and distance from the source ($d_{\\rm sl}$) must satisfy ${\\rm DM}_{\\ell} d_{\\rm sl} / a^2 \\gtrsim 0.65~ {\\rm pc^2 \\ AU^{-2} \\ cm^{-3}}$. Caustics produce strong magnifications ($\\lesssim 10^2$) on short time scales ($\\sim$ hours to days and perhaps shorter) along with narrow, epoch dependent spectral peaks (0."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.06580","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":"2026-05-18T00:41:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WY+ESCdFVNVGQ0HUTbDcVugy6tLwuzF3Xwpda9LNZdvlr0wHUh4z7vxbtqsWjpS9aoTc08PySrv19LYae9RKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T21:38:17.154066Z"},"content_sha256":"f7e0bf2aff6904b3f7833fc3c006f52d75412f4597a7deb2d5b36cd93da3a8d3","schema_version":"1.0","event_id":"sha256:f7e0bf2aff6904b3f7833fc3c006f52d75412f4597a7deb2d5b36cd93da3a8d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QXZOCHJSSTUF7Z5TL5HXXRCMTZ/bundle.json","state_url":"https://pith.science/pith/QXZOCHJSSTUF7Z5TL5HXXRCMTZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QXZOCHJSSTUF7Z5TL5HXXRCMTZ/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":"2026-05-20T21:38:17Z","links":{"resolver":"https://pith.science/pith/QXZOCHJSSTUF7Z5TL5HXXRCMTZ","bundle":"https://pith.science/pith/QXZOCHJSSTUF7Z5TL5HXXRCMTZ/bundle.json","state":"https://pith.science/pith/QXZOCHJSSTUF7Z5TL5HXXRCMTZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QXZOCHJSSTUF7Z5TL5HXXRCMTZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QXZOCHJSSTUF7Z5TL5HXXRCMTZ","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":"373d72c0286c2b7ac670838cd66a321fd12ec1467470a9e590afa6710d92d9f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-03-20T03:12:51Z","title_canon_sha256":"6ec725ffe17382e4aea5567cf5221c5534462003695bd24fc8a68e5e603550b2"},"schema_version":"1.0","source":{"id":"1703.06580","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.06580","created_at":"2026-05-18T00:41:36Z"},{"alias_kind":"arxiv_version","alias_value":"1703.06580v1","created_at":"2026-05-18T00:41:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.06580","created_at":"2026-05-18T00:41:36Z"},{"alias_kind":"pith_short_12","alias_value":"QXZOCHJSSTUF","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QXZOCHJSSTUF7Z5T","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QXZOCHJS","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:f7e0bf2aff6904b3f7833fc3c006f52d75412f4597a7deb2d5b36cd93da3a8d3","target":"graph","created_at":"2026-05-18T00:41:36Z","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":"Plasma lenses in the host galaxies of fast radio bursts (FRBs) can strongly modulate FRB amplitudes for a wide range of distances, including the $\\sim $ Gpc distance of the repeater FRB121102. To produce caustics, the lens' dispersion-measure depth (${\\rm DM}_{\\ell}$), scale size ($a$), and distance from the source ($d_{\\rm sl}$) must satisfy ${\\rm DM}_{\\ell} d_{\\rm sl} / a^2 \\gtrsim 0.65~ {\\rm pc^2 \\ AU^{-2} \\ cm^{-3}}$. Caustics produce strong magnifications ($\\lesssim 10^2$) on short time scales ($\\sim$ hours to days and perhaps shorter) along with narrow, epoch dependent spectral peaks (0.","authors_text":"I. Wasserman, J. M. Cordes, J.W.T. Hessels, R. S. Wharton, S. Chatterjee, T.J.W. Lazio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-03-20T03:12:51Z","title":"Lensing of Fast Radio Bursts by Plasma Structures in Host Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.06580","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:d3e7a06c8055c151d01de9711fd1ef35c2b2c02550b5552eaa68ee64802c95ca","target":"record","created_at":"2026-05-18T00:41:36Z","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":"373d72c0286c2b7ac670838cd66a321fd12ec1467470a9e590afa6710d92d9f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-03-20T03:12:51Z","title_canon_sha256":"6ec725ffe17382e4aea5567cf5221c5534462003695bd24fc8a68e5e603550b2"},"schema_version":"1.0","source":{"id":"1703.06580","kind":"arxiv","version":1}},"canonical_sha256":"85f2e11d3294e85fe7b35f4f7bc44c9e7794493eb70faa5124c533e6dc520371","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85f2e11d3294e85fe7b35f4f7bc44c9e7794493eb70faa5124c533e6dc520371","first_computed_at":"2026-05-18T00:41:36.289693Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:36.289693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1qpVZ9mweLgaBpvsec2wiJe1TiyPI/38rsp451ljE1dJTW/d1QM1dhrNm1KBe9qN88oo9+fNh1P/rjmu0txGCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:36.290309Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.06580","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3e7a06c8055c151d01de9711fd1ef35c2b2c02550b5552eaa68ee64802c95ca","sha256:f7e0bf2aff6904b3f7833fc3c006f52d75412f4597a7deb2d5b36cd93da3a8d3"],"state_sha256":"e29b2284c2764969692751ace39b0142c9dde2d3b8cd148399c6876ca019df9c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aW8P1DPIFPER8UinvD82xKxRTkSE3Fg05724A9vESwTq6NHK2IsP3aM9a2RaLrW/eVc2qT/Uf+wMiAaC8zqFBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T21:38:17.157662Z","bundle_sha256":"5597758bac65aefed8f168554245348357abd8ddec31772abb2b2109685f6f41"}}