{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:ANCWSKQM2KIGTXJKPCVZCTBH2I","short_pith_number":"pith:ANCWSKQM","schema_version":"1.0","canonical_sha256":"0345692a0cd29069dd2a78ab914c27d23cf1451d833237f0321c7d5a7a67a1cd","source":{"kind":"arxiv","id":"1512.05138","version":2},"attestation_state":"computed","paper":{"title":"On the behaviour of streams in angle and frequency spaces in different potentials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amina Helmi, Hans J.T. Buist","submitted_at":"2015-12-16T11:46:26Z","abstract_excerpt":"We have studied the behaviour of stellar streams in the Aquarius fully cosmological N-body simulations of the formation of Milky Way halos. In particular, we have characterised the streams in angle/frequency spaces derived using an approximate but generally well-fitting spherical potential. We have also run several test-particle simulations to understand and guide our interpretation of the different features we see in the Aquarius streams. Our goal is both to establish which deviations of the expected action-angle behaviour of streams exist because of the approximations made on the potential, "},"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":"1512.05138","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-16T11:46:26Z","cross_cats_sorted":[],"title_canon_sha256":"6ee80850088daa02a05df4edc658708109c1f9b7b9b92ef067596a156d827461","abstract_canon_sha256":"f386c5ca6e54b5eda6c425315c4c0877d772384992d09e1819324d00acee963a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:36.536907Z","signature_b64":"MHiH+cj/HRu2gwFkHRFzc8E/5cCzUFrgm0RbZKZqI2JIV7dfN9OUTMSG3+q/q5cT43dnjGLbvF0OPmaomOmyBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0345692a0cd29069dd2a78ab914c27d23cf1451d833237f0321c7d5a7a67a1cd","last_reissued_at":"2026-05-18T00:45:36.536407Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:36.536407Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the behaviour of streams in angle and frequency spaces in different potentials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Amina Helmi, Hans J.T. Buist","submitted_at":"2015-12-16T11:46:26Z","abstract_excerpt":"We have studied the behaviour of stellar streams in the Aquarius fully cosmological N-body simulations of the formation of Milky Way halos. In particular, we have characterised the streams in angle/frequency spaces derived using an approximate but generally well-fitting spherical potential. We have also run several test-particle simulations to understand and guide our interpretation of the different features we see in the Aquarius streams. Our goal is both to establish which deviations of the expected action-angle behaviour of streams exist because of the approximations made on the potential, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05138","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":"1512.05138","created_at":"2026-05-18T00:45:36.536486+00:00"},{"alias_kind":"arxiv_version","alias_value":"1512.05138v2","created_at":"2026-05-18T00:45:36.536486+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05138","created_at":"2026-05-18T00:45:36.536486+00:00"},{"alias_kind":"pith_short_12","alias_value":"ANCWSKQM2KIG","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_16","alias_value":"ANCWSKQM2KIGTXJK","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_8","alias_value":"ANCWSKQM","created_at":"2026-05-18T12:29:10.953037+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1907.00987","citing_title":"Applying Liouville's Theorem to Gaia Data","ref_index":53,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I","json":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I.json","graph_json":"https://pith.science/api/pith-number/ANCWSKQM2KIGTXJKPCVZCTBH2I/graph.json","events_json":"https://pith.science/api/pith-number/ANCWSKQM2KIGTXJKPCVZCTBH2I/events.json","paper":"https://pith.science/paper/ANCWSKQM"},"agent_actions":{"view_html":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I","download_json":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I.json","view_paper":"https://pith.science/paper/ANCWSKQM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1512.05138&json=true","fetch_graph":"https://pith.science/api/pith-number/ANCWSKQM2KIGTXJKPCVZCTBH2I/graph.json","fetch_events":"https://pith.science/api/pith-number/ANCWSKQM2KIGTXJKPCVZCTBH2I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I/action/storage_attestation","attest_author":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I/action/author_attestation","sign_citation":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I/action/citation_signature","submit_replication":"https://pith.science/pith/ANCWSKQM2KIGTXJKPCVZCTBH2I/action/replication_record"}},"created_at":"2026-05-18T00:45:36.536486+00:00","updated_at":"2026-05-18T00:45:36.536486+00:00"}