{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IKAFZ46YYJ6XLIKE2JA4DKNZDR","short_pith_number":"pith:IKAFZ46Y","canonical_record":{"source":{"id":"1504.03651","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-04-14T18:21:34Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"83883e7fc52bd9fac5752bee461239098d90ba1bfde682888b3dc4743d10549c","abstract_canon_sha256":"6f17bbb8a5194ced624649f575b6dcad4370566ed05a57e0df991c18e32a3871"},"schema_version":"1.0"},"canonical_sha256":"42805cf3d8c27d75a144d241c1a9b91c6d33dd39c57e6542afca7854673274f8","source":{"kind":"arxiv","id":"1504.03651","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.03651","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"arxiv_version","alias_value":"1504.03651v1","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.03651","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"pith_short_12","alias_value":"IKAFZ46YYJ6X","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IKAFZ46YYJ6XLIKE","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IKAFZ46Y","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IKAFZ46YYJ6XLIKE2JA4DKNZDR","target":"record","payload":{"canonical_record":{"source":{"id":"1504.03651","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-04-14T18:21:34Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"83883e7fc52bd9fac5752bee461239098d90ba1bfde682888b3dc4743d10549c","abstract_canon_sha256":"6f17bbb8a5194ced624649f575b6dcad4370566ed05a57e0df991c18e32a3871"},"schema_version":"1.0"},"canonical_sha256":"42805cf3d8c27d75a144d241c1a9b91c6d33dd39c57e6542afca7854673274f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:54.784660Z","signature_b64":"4iQJjJqe6BN/oO5iwD9LdlYimXeqTgelOCnuy2KI9RUbSTt3pk6EURbo3wVL3XFakCleCrpd/nZPamddynOuBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42805cf3d8c27d75a144d241c1a9b91c6d33dd39c57e6542afca7854673274f8","last_reissued_at":"2026-05-18T01:34:54.783583Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:54.783583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.03651","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":"2026-05-18T01:34:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mrnjTJCLqM1qqnb/lrjZRBCiSu+i6YRl13jF+OKO7RXBcC5/Hpft4Oma0kie0pXl5Iia1kXfV/+awsqSNYtlCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:09:12.833540Z"},"content_sha256":"220542bec49e55327b5f9cf56400c3d24a97a67b1be5aee26333621429ef15b5","schema_version":"1.0","event_id":"sha256:220542bec49e55327b5f9cf56400c3d24a97a67b1be5aee26333621429ef15b5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IKAFZ46YYJ6XLIKE2JA4DKNZDR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of line broadening on the performance of Faraday filters","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.atom-ph","authors_text":"Charles S. Adams, Daniel J. Whiting, Ifan G. Hughes, James Keaveney, Mark A. Zentile, Renju S. Mathew","submitted_at":"2015-04-14T18:21:34Z","abstract_excerpt":"We show that homogeneous line broadening drastically affects the performance of atomic Faraday filters. We use a computerized optimization algorithm to find the best magnetic field and temperature for Faraday filters with a range of cell lengths. The effect of self-broadening is found to be particularly important for short vapour cells, and for `wing-type' filters. Experimentally we realize a Faraday filter using a micro-fabricated $^{87}$Rb vapour cell. By modelling the filter spectrum using the ElecSus program we show that additional homogeneous line broadening due to the background buffer-g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.03651","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":"2026-05-18T01:34:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xltNl8f0nvFhQmUFd8OEFDETKSKrFnPIUCeOhEB4f4Bn32nQYL+Rm7oHNZeOtjPDmO6szGXdwiv94rYFly52Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:09:12.833890Z"},"content_sha256":"694795f89f20cc59e8808b101baecb5dbe1ba131331b893a2d05b846b24b95b0","schema_version":"1.0","event_id":"sha256:694795f89f20cc59e8808b101baecb5dbe1ba131331b893a2d05b846b24b95b0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IKAFZ46YYJ6XLIKE2JA4DKNZDR/bundle.json","state_url":"https://pith.science/pith/IKAFZ46YYJ6XLIKE2JA4DKNZDR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IKAFZ46YYJ6XLIKE2JA4DKNZDR/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":"2026-05-30T12:09:12Z","links":{"resolver":"https://pith.science/pith/IKAFZ46YYJ6XLIKE2JA4DKNZDR","bundle":"https://pith.science/pith/IKAFZ46YYJ6XLIKE2JA4DKNZDR/bundle.json","state":"https://pith.science/pith/IKAFZ46YYJ6XLIKE2JA4DKNZDR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IKAFZ46YYJ6XLIKE2JA4DKNZDR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IKAFZ46YYJ6XLIKE2JA4DKNZDR","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":"6f17bbb8a5194ced624649f575b6dcad4370566ed05a57e0df991c18e32a3871","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-04-14T18:21:34Z","title_canon_sha256":"83883e7fc52bd9fac5752bee461239098d90ba1bfde682888b3dc4743d10549c"},"schema_version":"1.0","source":{"id":"1504.03651","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.03651","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"arxiv_version","alias_value":"1504.03651v1","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.03651","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"pith_short_12","alias_value":"IKAFZ46YYJ6X","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IKAFZ46YYJ6XLIKE","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IKAFZ46Y","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:694795f89f20cc59e8808b101baecb5dbe1ba131331b893a2d05b846b24b95b0","target":"graph","created_at":"2026-05-18T01:34:54Z","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 show that homogeneous line broadening drastically affects the performance of atomic Faraday filters. We use a computerized optimization algorithm to find the best magnetic field and temperature for Faraday filters with a range of cell lengths. The effect of self-broadening is found to be particularly important for short vapour cells, and for `wing-type' filters. Experimentally we realize a Faraday filter using a micro-fabricated $^{87}$Rb vapour cell. By modelling the filter spectrum using the ElecSus program we show that additional homogeneous line broadening due to the background buffer-g","authors_text":"Charles S. Adams, Daniel J. Whiting, Ifan G. Hughes, James Keaveney, Mark A. Zentile, Renju S. Mathew","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-04-14T18:21:34Z","title":"Effect of line broadening on the performance of Faraday filters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.03651","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":"sha256:220542bec49e55327b5f9cf56400c3d24a97a67b1be5aee26333621429ef15b5","target":"record","created_at":"2026-05-18T01:34:54Z","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":"6f17bbb8a5194ced624649f575b6dcad4370566ed05a57e0df991c18e32a3871","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-04-14T18:21:34Z","title_canon_sha256":"83883e7fc52bd9fac5752bee461239098d90ba1bfde682888b3dc4743d10549c"},"schema_version":"1.0","source":{"id":"1504.03651","kind":"arxiv","version":1}},"canonical_sha256":"42805cf3d8c27d75a144d241c1a9b91c6d33dd39c57e6542afca7854673274f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42805cf3d8c27d75a144d241c1a9b91c6d33dd39c57e6542afca7854673274f8","first_computed_at":"2026-05-18T01:34:54.783583Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:54.783583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4iQJjJqe6BN/oO5iwD9LdlYimXeqTgelOCnuy2KI9RUbSTt3pk6EURbo3wVL3XFakCleCrpd/nZPamddynOuBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:54.784660Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.03651","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:220542bec49e55327b5f9cf56400c3d24a97a67b1be5aee26333621429ef15b5","sha256:694795f89f20cc59e8808b101baecb5dbe1ba131331b893a2d05b846b24b95b0"],"state_sha256":"39b4e181a871d49d1b49ea8407d6431b89d92994d52a6c33f558de605f7bb4af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JOM7sZfNqdjKMS3xXYzZJA68cQTe8rYmPTPqOxWuOk/4HbGUlIhpS4HqswXI2urdDhQy76uy9PU2WptO5KzUBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:09:12.836001Z","bundle_sha256":"20be5c435741fe151415bfd5b4be0920a1e3811551fcf66e1f64a145e195b27b"}}