{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:TU5WHEJJZZLMWAHAJZT3OWWAYJ","short_pith_number":"pith:TU5WHEJJ","schema_version":"1.0","canonical_sha256":"9d3b639129ce56cb00e04e67b75ac0c276f0b11e0c01d33ed56eda56db1bf2b0","source":{"kind":"arxiv","id":"1604.00958","version":2},"attestation_state":"computed","paper":{"title":"Radioactive Iron Rain: Transporting $^{60}$Fe in Supernova Dust to the Ocean Floor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Brian D. Fields, Brian J. Fry, John R. Ellis","submitted_at":"2016-04-04T17:36:00Z","abstract_excerpt":"Several searches have found evidence of $^{60}$Fe deposition, presumably from a near-Earth supernova (SN), with concentrations that vary in different locations on Earth. This paper examines various influences on the path of interstellar dust carrying $^{60}$Fe from a SN through the heliosphere, with the aim of estimating the final global distribution on the ocean floor. We study the influences of magnetic fields, angle of arrival, wind and ocean cycling of SN material on the concentrations at different locations. We find that the passage of SN material through the mesosphere/lower thermosphere"},"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":"1604.00958","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-04-04T17:36:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"a092d9ebeed8338812c77e666a3f14da3ae19176e5f601929121809a62b58b23","abstract_canon_sha256":"1369fdf98ff50021f5c5550ce8fab5a18dfffb33c59223c03a4e5abd2dba85be"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:42.117825Z","signature_b64":"mbS+HKGhhFEwtpLm4F+zAg1YWHuy8zC7OYz707wymb4qNc7TZuOOZg1X1N7o+DllefhAMMXszye9uyk+mY67Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d3b639129ce56cb00e04e67b75ac0c276f0b11e0c01d33ed56eda56db1bf2b0","last_reissued_at":"2026-05-18T01:08:42.117285Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:42.117285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Radioactive Iron Rain: Transporting $^{60}$Fe in Supernova Dust to the Ocean Floor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Brian D. Fields, Brian J. Fry, John R. Ellis","submitted_at":"2016-04-04T17:36:00Z","abstract_excerpt":"Several searches have found evidence of $^{60}$Fe deposition, presumably from a near-Earth supernova (SN), with concentrations that vary in different locations on Earth. This paper examines various influences on the path of interstellar dust carrying $^{60}$Fe from a SN through the heliosphere, with the aim of estimating the final global distribution on the ocean floor. We study the influences of magnetic fields, angle of arrival, wind and ocean cycling of SN material on the concentrations at different locations. We find that the passage of SN material through the mesosphere/lower thermosphere"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.00958","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1604.00958","created_at":"2026-05-18T01:08:42.117402+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.00958v2","created_at":"2026-05-18T01:08:42.117402+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.00958","created_at":"2026-05-18T01:08:42.117402+00:00"},{"alias_kind":"pith_short_12","alias_value":"TU5WHEJJZZLM","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_16","alias_value":"TU5WHEJJZZLMWAHA","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_8","alias_value":"TU5WHEJJ","created_at":"2026-05-18T12:30:46.583412+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.09524","citing_title":"Gardening on the Moon: An Advection-Diffusion Model to Guide the Search for Supernova Debris in the Lunar Regolith","ref_index":24,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ","json":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ.json","graph_json":"https://pith.science/api/pith-number/TU5WHEJJZZLMWAHAJZT3OWWAYJ/graph.json","events_json":"https://pith.science/api/pith-number/TU5WHEJJZZLMWAHAJZT3OWWAYJ/events.json","paper":"https://pith.science/paper/TU5WHEJJ"},"agent_actions":{"view_html":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ","download_json":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ.json","view_paper":"https://pith.science/paper/TU5WHEJJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.00958&json=true","fetch_graph":"https://pith.science/api/pith-number/TU5WHEJJZZLMWAHAJZT3OWWAYJ/graph.json","fetch_events":"https://pith.science/api/pith-number/TU5WHEJJZZLMWAHAJZT3OWWAYJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ/action/storage_attestation","attest_author":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ/action/author_attestation","sign_citation":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ/action/citation_signature","submit_replication":"https://pith.science/pith/TU5WHEJJZZLMWAHAJZT3OWWAYJ/action/replication_record"}},"created_at":"2026-05-18T01:08:42.117402+00:00","updated_at":"2026-05-18T01:08:42.117402+00:00"}