{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:IBLK27LSB47QCWGQ6GKSO7EJPC","short_pith_number":"pith:IBLK27LS","schema_version":"1.0","canonical_sha256":"4056ad7d720f3f0158d0f195277c897880fe9801cd1479f308de9b25e33c8773","source":{"kind":"arxiv","id":"1512.08908","version":1},"attestation_state":"computed","paper":{"title":"Scintillation arcs in low-frequency observations of the timing-array millisecond pulsar J0437-4715","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"2), 2) ((1) International Centre for Radio Astronomy Research, (2) ARC Centre of Excellence for All-sky Astrophysics (CAASTRO)), Australia, Bentley, Curtin University, N. D. R. Bhat (1, S. E. Tremblay (1, S. J. McSweeney (1, S. J. Tingay (1, S. M. Ord (1, WA 6102","submitted_at":"2015-12-30T11:07:14Z","abstract_excerpt":"Low-frequency observations of pulsars provide a powerful means for probing the microstructure in the turbulent interstellar medium (ISM). Here we report on high-resolution dynamic spectral analysis of our observations of the timing-array millisecond pulsar J0437-4715 with the Murchison Widefield Array (MWA), enabled by our recently commissioned tied-array beam processing pipeline for voltage data recorded from the high time resolution mode of the MWA. A secondary spectral analysis reveals faint parabolic arcs, akin to those seen in high-frequency observations of pulsars with the Green Bank and"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1512.08908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-12-30T11:07:14Z","cross_cats_sorted":["astro-ph.HE","astro-ph.IM"],"title_canon_sha256":"1d10d68608d91e18a31642604ff825802a53236d9d83ea2e4765808284e2dea5","abstract_canon_sha256":"a20f28c3d26b5ae8ee78f44b7521ca7e877aa7ef48aea95c513f208227f87d9c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:40.752808Z","signature_b64":"NKj+hMPtmaG8hsRoR7Stq/zHTkEh1Nn/ZXgWzBS/r1uG1GrkmYpHq3FWTrDaqOEWO2F+eH+4KiEq2a9JvqGVCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4056ad7d720f3f0158d0f195277c897880fe9801cd1479f308de9b25e33c8773","last_reissued_at":"2026-05-18T01:20:40.752177Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:40.752177Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Scintillation arcs in low-frequency observations of the timing-array millisecond pulsar J0437-4715","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"2), 2) ((1) International Centre for Radio Astronomy Research, (2) ARC Centre of Excellence for All-sky Astrophysics (CAASTRO)), Australia, Bentley, Curtin University, N. D. R. Bhat (1, S. E. Tremblay (1, S. J. McSweeney (1, S. J. Tingay (1, S. M. Ord (1, WA 6102","submitted_at":"2015-12-30T11:07:14Z","abstract_excerpt":"Low-frequency observations of pulsars provide a powerful means for probing the microstructure in the turbulent interstellar medium (ISM). Here we report on high-resolution dynamic spectral analysis of our observations of the timing-array millisecond pulsar J0437-4715 with the Murchison Widefield Array (MWA), enabled by our recently commissioned tied-array beam processing pipeline for voltage data recorded from the high time resolution mode of the MWA. A secondary spectral analysis reveals faint parabolic arcs, akin to those seen in high-frequency observations of pulsars with the Green Bank and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.08908","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1512.08908","created_at":"2026-05-18T01:20:40.752266+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.08908v1","created_at":"2026-05-18T01:20:40.752266+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.08908","created_at":"2026-05-18T01:20:40.752266+00:00"},{"alias_kind":"pith_short_12","alias_value":"IBLK27LSB47Q","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_16","alias_value":"IBLK27LSB47QCWGQ","created_at":"2026-05-18T12:29:25.134429+00:00"},{"alias_kind":"pith_short_8","alias_value":"IBLK27LS","created_at":"2026-05-18T12:29:25.134429+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC","json":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC.json","graph_json":"https://pith.science/api/pith-number/IBLK27LSB47QCWGQ6GKSO7EJPC/graph.json","events_json":"https://pith.science/api/pith-number/IBLK27LSB47QCWGQ6GKSO7EJPC/events.json","paper":"https://pith.science/paper/IBLK27LS"},"agent_actions":{"view_html":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC","download_json":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC.json","view_paper":"https://pith.science/paper/IBLK27LS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.08908&json=true","fetch_graph":"https://pith.science/api/pith-number/IBLK27LSB47QCWGQ6GKSO7EJPC/graph.json","fetch_events":"https://pith.science/api/pith-number/IBLK27LSB47QCWGQ6GKSO7EJPC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC/action/storage_attestation","attest_author":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC/action/author_attestation","sign_citation":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC/action/citation_signature","submit_replication":"https://pith.science/pith/IBLK27LSB47QCWGQ6GKSO7EJPC/action/replication_record"}},"created_at":"2026-05-18T01:20:40.752266+00:00","updated_at":"2026-05-18T01:20:40.752266+00:00"}