{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:GQAKZPFMF5GAGXESOJSD5ZVKNM","short_pith_number":"pith:GQAKZPFM","schema_version":"1.0","canonical_sha256":"3400acbcac2f4c035c9272643ee6aa6b029a967abfe7f2e323dbc9d1d99d785e","source":{"kind":"arxiv","id":"1505.05510","version":2},"attestation_state":"computed","paper":{"title":"Closed tachyon solitons in type II string theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Angel M. Uranga, I\\~naki Garc\\'ia-Etxebarria, Miguel Montero","submitted_at":"2015-05-20T20:00:36Z","abstract_excerpt":"Type II theories can be described as the endpoint of closed string tachyon condensation in certain orbifolds of supercritical type 0 theories. In this paper, we study solitons of this closed string tachyon and analyze the nature of the resulting defects in critical type II theories. The solitons are classified by the real K-theory groups KO of bundles associated to pairs of supercritical dimensions. For real codimension 4 and 8, corresponding to $KO({\\bf S}^4)={\\bf Z}$ and $KO({\\bf S}^8)={\\bf Z}$, the defects correspond to a gravitational instanton and a fundamental string, respectively. We ap"},"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":"1505.05510","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-20T20:00:36Z","cross_cats_sorted":[],"title_canon_sha256":"402c8366b28553171469acff6fa7c36d738c0a5a42a9c6ef7fdd58eb128c59fd","abstract_canon_sha256":"d11e73ae034085d4e18b8d99950d93f41632b801f1d2c562f965d4cf233a4f39"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:17.928268Z","signature_b64":"NTo3Cf/ChC31q0qqq2y5gQYxLeLY1MdO89vdeaJfo6JPdKgNR7xL7Ri23lQaqdmRUaVvfimwjwOjROIPtYaaBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3400acbcac2f4c035c9272643ee6aa6b029a967abfe7f2e323dbc9d1d99d785e","last_reissued_at":"2026-05-18T01:36:17.927657Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:17.927657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Closed tachyon solitons in type II string theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Angel M. Uranga, I\\~naki Garc\\'ia-Etxebarria, Miguel Montero","submitted_at":"2015-05-20T20:00:36Z","abstract_excerpt":"Type II theories can be described as the endpoint of closed string tachyon condensation in certain orbifolds of supercritical type 0 theories. In this paper, we study solitons of this closed string tachyon and analyze the nature of the resulting defects in critical type II theories. The solitons are classified by the real K-theory groups KO of bundles associated to pairs of supercritical dimensions. For real codimension 4 and 8, corresponding to $KO({\\bf S}^4)={\\bf Z}$ and $KO({\\bf S}^8)={\\bf Z}$, the defects correspond to a gravitational instanton and a fundamental string, respectively. We ap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05510","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":"1505.05510","created_at":"2026-05-18T01:36:17.927747+00:00"},{"alias_kind":"arxiv_version","alias_value":"1505.05510v2","created_at":"2026-05-18T01:36:17.927747+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05510","created_at":"2026-05-18T01:36:17.927747+00:00"},{"alias_kind":"pith_short_12","alias_value":"GQAKZPFMF5GA","created_at":"2026-05-18T12:29:22.688609+00:00"},{"alias_kind":"pith_short_16","alias_value":"GQAKZPFMF5GAGXES","created_at":"2026-05-18T12:29:22.688609+00:00"},{"alias_kind":"pith_short_8","alias_value":"GQAKZPFM","created_at":"2026-05-18T12:29:22.688609+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2410.21372","citing_title":"Morse-Bott inequalities, Topology Change and Cobordisms to Nothing","ref_index":68,"is_internal_anchor":true},{"citing_arxiv_id":"2603.24667","citing_title":"The Art of Branching: Cobordism Junctions of 10d String Theories","ref_index":40,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM","json":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM.json","graph_json":"https://pith.science/api/pith-number/GQAKZPFMF5GAGXESOJSD5ZVKNM/graph.json","events_json":"https://pith.science/api/pith-number/GQAKZPFMF5GAGXESOJSD5ZVKNM/events.json","paper":"https://pith.science/paper/GQAKZPFM"},"agent_actions":{"view_html":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM","download_json":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM.json","view_paper":"https://pith.science/paper/GQAKZPFM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1505.05510&json=true","fetch_graph":"https://pith.science/api/pith-number/GQAKZPFMF5GAGXESOJSD5ZVKNM/graph.json","fetch_events":"https://pith.science/api/pith-number/GQAKZPFMF5GAGXESOJSD5ZVKNM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/action/storage_attestation","attest_author":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/action/author_attestation","sign_citation":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/action/citation_signature","submit_replication":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/action/replication_record"}},"created_at":"2026-05-18T01:36:17.927747+00:00","updated_at":"2026-05-18T01:36:17.927747+00:00"}