{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:IQK6OGMBJXIMAMDBGLD7G7NIJ7","short_pith_number":"pith:IQK6OGMB","schema_version":"1.0","canonical_sha256":"4415e719814dd0c0306132c7f37da84ff85a62c6625bf6639475c507036b0534","source":{"kind":"arxiv","id":"1202.4454","version":1},"attestation_state":"computed","paper":{"title":"Loops formed by tidal tails as fossil records of a major merger","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2), Chinese Academy of Sciences (NAOC) (3) LAM Observatoire Astronomique de Marseille), E. Athanassoula (3), F. Hammer (1), H. Flores (1) ((1) Laboratoire GEPI, J. Wang (1, M. Puech (1), Observatoire de Paris (2) National Astronomical Observatories, Y. Yang (1","submitted_at":"2012-02-20T21:00:02Z","abstract_excerpt":"Many haloes of nearby disc galaxies contain faint and extended features, including loops, which are often interpreted as relics of satellite infall in the main galaxy's potential well. In most cases, however, the residual nucleus of the satellite is not seen, although it is predicted by numerical simulations. We test whether such faint and extended features can be associated to gas-rich, major mergers, which may also lead to disc rebuilding and thus be a corner stone for the formation of spiral galaxies. Using the TreeSPH code GADGET-2, we model the formation of an almost bulge-less galaxy sim"},"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":"1202.4454","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-20T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"314f33dbceb6316117015d120d6fe1f7e1a8dc41779b4152e7e6d2fd7ecd6754","abstract_canon_sha256":"6795df6f6c9f0eaa6d47b4effe7d45a8dce6c66304ff8d4b9c598ef6a68f6e38"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:01:50.579894Z","signature_b64":"Gai6fRoHEIfGh+Q8rnCviV9w7n9DjUA/IvjKbfyoKhVn9gQdJ4Wc9kgfTF30lM0yr3icrEvH8c9Ox6yoRR/5DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4415e719814dd0c0306132c7f37da84ff85a62c6625bf6639475c507036b0534","last_reissued_at":"2026-05-18T04:01:50.579434Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:01:50.579434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Loops formed by tidal tails as fossil records of a major merger","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"2), Chinese Academy of Sciences (NAOC) (3) LAM Observatoire Astronomique de Marseille), E. Athanassoula (3), F. Hammer (1), H. Flores (1) ((1) Laboratoire GEPI, J. Wang (1, M. Puech (1), Observatoire de Paris (2) National Astronomical Observatories, Y. Yang (1","submitted_at":"2012-02-20T21:00:02Z","abstract_excerpt":"Many haloes of nearby disc galaxies contain faint and extended features, including loops, which are often interpreted as relics of satellite infall in the main galaxy's potential well. In most cases, however, the residual nucleus of the satellite is not seen, although it is predicted by numerical simulations. We test whether such faint and extended features can be associated to gas-rich, major mergers, which may also lead to disc rebuilding and thus be a corner stone for the formation of spiral galaxies. Using the TreeSPH code GADGET-2, we model the formation of an almost bulge-less galaxy sim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.4454","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":"1202.4454","created_at":"2026-05-18T04:01:50.579496+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.4454v1","created_at":"2026-05-18T04:01:50.579496+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.4454","created_at":"2026-05-18T04:01:50.579496+00:00"},{"alias_kind":"pith_short_12","alias_value":"IQK6OGMBJXIM","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"IQK6OGMBJXIMAMDB","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"IQK6OGMB","created_at":"2026-05-18T12:27:09.501522+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/IQK6OGMBJXIMAMDBGLD7G7NIJ7","json":"https://pith.science/pith/IQK6OGMBJXIMAMDBGLD7G7NIJ7.json","graph_json":"https://pith.science/api/pith-number/IQK6OGMBJXIMAMDBGLD7G7NIJ7/graph.json","events_json":"https://pith.science/api/pith-number/IQK6OGMBJXIMAMDBGLD7G7NIJ7/events.json","paper":"https://pith.science/paper/IQK6OGMB"},"agent_actions":{"view_html":"https://pith.science/pith/IQK6OGMBJXIMAMDBGLD7G7NIJ7","download_json":"https://pith.science/pith/IQK6OGMBJXIMAMDBGLD7G7NIJ7.json","view_paper":"https://pith.science/paper/IQK6OGMB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.4454&json=true","fetch_graph":"https://pith.science/api/pith-number/IQK6OGMBJXIMAMDBGLD7G7NIJ7/graph.json","fetch_events":"https://pith.science/api/pith-number/IQK6OGMBJXIMAMDBGLD7G7NIJ7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IQK6OGMBJXIMAMDBGLD7G7NIJ7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IQK6OGMBJXIMAMDBGLD7G7NIJ7/action/storage_attestation","attest_author":"https://pith.science/pith/IQK6OGMBJXIMAMDBGLD7G7NIJ7/action/author_attestation","sign_citation":"https://pith.science/pith/IQK6OGMBJXIMAMDBGLD7G7NIJ7/action/citation_signature","submit_replication":"https://pith.science/pith/IQK6OGMBJXIMAMDBGLD7G7NIJ7/action/replication_record"}},"created_at":"2026-05-18T04:01:50.579496+00:00","updated_at":"2026-05-18T04:01:50.579496+00:00"}