{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:BWAJIW4QFDWTFS5XP42KNRIFDY","short_pith_number":"pith:BWAJIW4Q","schema_version":"1.0","canonical_sha256":"0d80945b9028ed32cbb77f34a6c5051e258d123325af077aee8545c23884a692","source":{"kind":"arxiv","id":"0909.4540","version":1},"attestation_state":"computed","paper":{"title":"The SPLASH Survey: A Spectroscopic Portrait of Andromeda's Giant Southern Stream","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Evan N. Kirby, Jason S. Kalirai, Karoline M. Gilbert, Marla C. Geha, Priya Kollipara, Puragra Guhathakurta, Rachael L. Beaton, Richard J. Patterson, Steven R. Majewski","submitted_at":"2009-09-25T04:30:58Z","abstract_excerpt":"The giant southern stream (GSS) is the most prominent tidal debris feature in M31's stellar halo. The GSS is composed of a relatively metal-rich, high surface-brightness \"core\" and a lower metallicity, lower surface brightness \"envelope.\" We present Keck/DEIMOS spectroscopy of red giant stars in six fields in the vicinity of M31's GSS and one field on Stream C, an arc-like feature on M31's SE minor axis at R=60 kpc. Several GSS-related findings and measurements are presented here. We present the innermost kinematical detection of the GSS core to date (R=17 kpc). This field also contains the co"},"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":"0909.4540","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-09-25T04:30:58Z","cross_cats_sorted":[],"title_canon_sha256":"f2b3c864c57a9c44943466590bc4ec6700a45bce40a615e0c66c5c56ee627426","abstract_canon_sha256":"014b4d1196115211a480b52f684468b3d168ac8dc7e58beeb6762ddc39e2c47c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:27.736482Z","signature_b64":"wSloIYpxKQQ9iqIHxlSRvuBaTaJ/eiU5OsHhUjivJvDELU2MGZ49jLaGXr1TRr3NT7iu64QInS8vj1B7xkzBBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d80945b9028ed32cbb77f34a6c5051e258d123325af077aee8545c23884a692","last_reissued_at":"2026-05-18T02:34:27.735982Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:27.735982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The SPLASH Survey: A Spectroscopic Portrait of Andromeda's Giant Southern Stream","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Evan N. Kirby, Jason S. Kalirai, Karoline M. Gilbert, Marla C. Geha, Priya Kollipara, Puragra Guhathakurta, Rachael L. Beaton, Richard J. Patterson, Steven R. Majewski","submitted_at":"2009-09-25T04:30:58Z","abstract_excerpt":"The giant southern stream (GSS) is the most prominent tidal debris feature in M31's stellar halo. The GSS is composed of a relatively metal-rich, high surface-brightness \"core\" and a lower metallicity, lower surface brightness \"envelope.\" We present Keck/DEIMOS spectroscopy of red giant stars in six fields in the vicinity of M31's GSS and one field on Stream C, an arc-like feature on M31's SE minor axis at R=60 kpc. Several GSS-related findings and measurements are presented here. We present the innermost kinematical detection of the GSS core to date (R=17 kpc). This field also contains the co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.4540","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":"0909.4540","created_at":"2026-05-18T02:34:27.736057+00:00"},{"alias_kind":"arxiv_version","alias_value":"0909.4540v1","created_at":"2026-05-18T02:34:27.736057+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.4540","created_at":"2026-05-18T02:34:27.736057+00:00"},{"alias_kind":"pith_short_12","alias_value":"BWAJIW4QFDWT","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"BWAJIW4QFDWTFS5X","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"BWAJIW4Q","created_at":"2026-05-18T12:25:58.837520+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/BWAJIW4QFDWTFS5XP42KNRIFDY","json":"https://pith.science/pith/BWAJIW4QFDWTFS5XP42KNRIFDY.json","graph_json":"https://pith.science/api/pith-number/BWAJIW4QFDWTFS5XP42KNRIFDY/graph.json","events_json":"https://pith.science/api/pith-number/BWAJIW4QFDWTFS5XP42KNRIFDY/events.json","paper":"https://pith.science/paper/BWAJIW4Q"},"agent_actions":{"view_html":"https://pith.science/pith/BWAJIW4QFDWTFS5XP42KNRIFDY","download_json":"https://pith.science/pith/BWAJIW4QFDWTFS5XP42KNRIFDY.json","view_paper":"https://pith.science/paper/BWAJIW4Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0909.4540&json=true","fetch_graph":"https://pith.science/api/pith-number/BWAJIW4QFDWTFS5XP42KNRIFDY/graph.json","fetch_events":"https://pith.science/api/pith-number/BWAJIW4QFDWTFS5XP42KNRIFDY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BWAJIW4QFDWTFS5XP42KNRIFDY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BWAJIW4QFDWTFS5XP42KNRIFDY/action/storage_attestation","attest_author":"https://pith.science/pith/BWAJIW4QFDWTFS5XP42KNRIFDY/action/author_attestation","sign_citation":"https://pith.science/pith/BWAJIW4QFDWTFS5XP42KNRIFDY/action/citation_signature","submit_replication":"https://pith.science/pith/BWAJIW4QFDWTFS5XP42KNRIFDY/action/replication_record"}},"created_at":"2026-05-18T02:34:27.736057+00:00","updated_at":"2026-05-18T02:34:27.736057+00:00"}