{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:N5EAE5XQLPZWXCNMYIF4SQZKUG","short_pith_number":"pith:N5EAE5XQ","canonical_record":{"source":{"id":"1210.6801","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-25T11:51:57Z","cross_cats_sorted":[],"title_canon_sha256":"2478d72f7fb4aa3c29840c55b9677d379a4eafd46bd9fef19dabfb13e6c6d5cb","abstract_canon_sha256":"e425523ee7925a690c299bf2f4e5f1a5e4ba32c5af0f3c61e9a7284686b4d186"},"schema_version":"1.0"},"canonical_sha256":"6f480276f05bf36b89acc20bc9432aa1852de4fa4f4330357934221e1a9e5049","source":{"kind":"arxiv","id":"1210.6801","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.6801","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.6801v2","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6801","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"N5EAE5XQLPZW","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"N5EAE5XQLPZWXCNM","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"N5EAE5XQ","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:N5EAE5XQLPZWXCNMYIF4SQZKUG","target":"record","payload":{"canonical_record":{"source":{"id":"1210.6801","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-25T11:51:57Z","cross_cats_sorted":[],"title_canon_sha256":"2478d72f7fb4aa3c29840c55b9677d379a4eafd46bd9fef19dabfb13e6c6d5cb","abstract_canon_sha256":"e425523ee7925a690c299bf2f4e5f1a5e4ba32c5af0f3c61e9a7284686b4d186"},"schema_version":"1.0"},"canonical_sha256":"6f480276f05bf36b89acc20bc9432aa1852de4fa4f4330357934221e1a9e5049","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:37.788857Z","signature_b64":"HOG+JidFfG+ciZH1sPe30GVm2bPp5PlrG3o4MRYTroNy0O5Pva8NBsD6uvcUSnsYLQRLrypM4UCCYi6094ysDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f480276f05bf36b89acc20bc9432aa1852de4fa4f4330357934221e1a9e5049","last_reissued_at":"2026-05-18T01:53:37.788397Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:37.788397Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.6801","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oepKraRnGLf5tRdErGZOfcbeYNdET28orrX7hffLEPKoNG64Xydr6X7VUW1Ke4jv0xmw15r5/n7MrAQ6NEQYAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:16:04.193697Z"},"content_sha256":"f94343b47da980513ec09a557b64ed2d54c900ea7503593ef400f7b74d368b56","schema_version":"1.0","event_id":"sha256:f94343b47da980513ec09a557b64ed2d54c900ea7503593ef400f7b74d368b56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:N5EAE5XQLPZWXCNMYIF4SQZKUG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rotation measure synthesis at the 2 m wavelength of the FAN region: Unveiling screens and bubbles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"1), 2), (2) ASTRON, (3) Radboud University Nijmegen), Marco Iacobelli (1, Marijke Haverkorn (3, Peter Katgert (1) ((1) Leiden University, the Netherlands Institute for Radio Astronomy","submitted_at":"2012-10-25T11:51:57Z","abstract_excerpt":"Rotation Measure synthesis (RM synthesis) of the Westerbork Synthesis Radio Telescope (WSRT) observations at 2 m wavelength of the FAN region at l=137deg, b=+7deg shows the morphology of structures in the ionized interstellar medium. We interpret the diffuse polarized synchrotron emission in terms of coherent structures in the interstellar medium and the properties of the interstellar magnetic field. For the first time, cross-correlation is applied to identify and characterize polarized structures in Faraday depth space. Complementary information about the medium are derived from H$\\alpha$ emi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6801","kind":"arxiv","version":2},"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":"2026-05-18T01:53:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2g0zgGqnU8chN2QM+7E/jW4cbCT1E7MNbdY1ea+/Fbr/LVuam4a7FbIj3BKkndSHQk2WeYvTxwhou8/yJNDgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:16:04.194381Z"},"content_sha256":"45f16bc26c25801aadbffb700797d7831e79f9a1f83a233795a825bdb99d34b7","schema_version":"1.0","event_id":"sha256:45f16bc26c25801aadbffb700797d7831e79f9a1f83a233795a825bdb99d34b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N5EAE5XQLPZWXCNMYIF4SQZKUG/bundle.json","state_url":"https://pith.science/pith/N5EAE5XQLPZWXCNMYIF4SQZKUG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N5EAE5XQLPZWXCNMYIF4SQZKUG/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":"2026-05-25T20:16:04Z","links":{"resolver":"https://pith.science/pith/N5EAE5XQLPZWXCNMYIF4SQZKUG","bundle":"https://pith.science/pith/N5EAE5XQLPZWXCNMYIF4SQZKUG/bundle.json","state":"https://pith.science/pith/N5EAE5XQLPZWXCNMYIF4SQZKUG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N5EAE5XQLPZWXCNMYIF4SQZKUG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:N5EAE5XQLPZWXCNMYIF4SQZKUG","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":"e425523ee7925a690c299bf2f4e5f1a5e4ba32c5af0f3c61e9a7284686b4d186","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-25T11:51:57Z","title_canon_sha256":"2478d72f7fb4aa3c29840c55b9677d379a4eafd46bd9fef19dabfb13e6c6d5cb"},"schema_version":"1.0","source":{"id":"1210.6801","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.6801","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"arxiv_version","alias_value":"1210.6801v2","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.6801","created_at":"2026-05-18T01:53:37Z"},{"alias_kind":"pith_short_12","alias_value":"N5EAE5XQLPZW","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"N5EAE5XQLPZWXCNM","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"N5EAE5XQ","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:45f16bc26c25801aadbffb700797d7831e79f9a1f83a233795a825bdb99d34b7","target":"graph","created_at":"2026-05-18T01:53:37Z","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":"Rotation Measure synthesis (RM synthesis) of the Westerbork Synthesis Radio Telescope (WSRT) observations at 2 m wavelength of the FAN region at l=137deg, b=+7deg shows the morphology of structures in the ionized interstellar medium. We interpret the diffuse polarized synchrotron emission in terms of coherent structures in the interstellar medium and the properties of the interstellar magnetic field. For the first time, cross-correlation is applied to identify and characterize polarized structures in Faraday depth space. Complementary information about the medium are derived from H$\\alpha$ emi","authors_text":"1), 2), (2) ASTRON, (3) Radboud University Nijmegen), Marco Iacobelli (1, Marijke Haverkorn (3, Peter Katgert (1) ((1) Leiden University, the Netherlands Institute for Radio Astronomy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-25T11:51:57Z","title":"Rotation measure synthesis at the 2 m wavelength of the FAN region: Unveiling screens and bubbles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.6801","kind":"arxiv","version":2},"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:f94343b47da980513ec09a557b64ed2d54c900ea7503593ef400f7b74d368b56","target":"record","created_at":"2026-05-18T01:53:37Z","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":"e425523ee7925a690c299bf2f4e5f1a5e4ba32c5af0f3c61e9a7284686b4d186","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-10-25T11:51:57Z","title_canon_sha256":"2478d72f7fb4aa3c29840c55b9677d379a4eafd46bd9fef19dabfb13e6c6d5cb"},"schema_version":"1.0","source":{"id":"1210.6801","kind":"arxiv","version":2}},"canonical_sha256":"6f480276f05bf36b89acc20bc9432aa1852de4fa4f4330357934221e1a9e5049","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f480276f05bf36b89acc20bc9432aa1852de4fa4f4330357934221e1a9e5049","first_computed_at":"2026-05-18T01:53:37.788397Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:37.788397Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HOG+JidFfG+ciZH1sPe30GVm2bPp5PlrG3o4MRYTroNy0O5Pva8NBsD6uvcUSnsYLQRLrypM4UCCYi6094ysDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:37.788857Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.6801","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f94343b47da980513ec09a557b64ed2d54c900ea7503593ef400f7b74d368b56","sha256:45f16bc26c25801aadbffb700797d7831e79f9a1f83a233795a825bdb99d34b7"],"state_sha256":"81ee49de4c6b9795585c4de31566677950359e106299530543bc5407a6bea0d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oEZ03XlOr8OSl72+Zq3aXOAoxU619/7rMohoYQlKvCqk/U590JXZFIzHB7HO9BK58yhVEm4pmp6oEkeA57Z1Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:16:04.198939Z","bundle_sha256":"42f9c2aefb2f41425073ac9fd7e092f8194fdfd08f5650af81bb6d11d8359b1c"}}