{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:GQAKZPFMF5GAGXESOJSD5ZVKNM","short_pith_number":"pith:GQAKZPFM","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"},"canonical_sha256":"3400acbcac2f4c035c9272643ee6aa6b029a967abfe7f2e323dbc9d1d99d785e","source":{"kind":"arxiv","id":"1505.05510","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05510","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05510v2","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05510","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"pith_short_12","alias_value":"GQAKZPFMF5GA","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GQAKZPFMF5GAGXES","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GQAKZPFM","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:GQAKZPFMF5GAGXESOJSD5ZVKNM","target":"record","payload":{"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"},"canonical_sha256":"3400acbcac2f4c035c9272643ee6aa6b029a967abfe7f2e323dbc9d1d99d785e","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"},"source_kind":"arxiv","source_id":"1505.05510","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:36:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"idnuSuNja7+xSvUQL2G0Iutpky7K/0fXUzVDLs3DStAEe4k41dA3EhuZr5fGNxYpapayr7qpvq3JkJTEPN9yAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:35:09.021260Z"},"content_sha256":"d712bb42702850194a213c86944d546ff44b31c69eac5439597f47a204f12d8e","schema_version":"1.0","event_id":"sha256:d712bb42702850194a213c86944d546ff44b31c69eac5439597f47a204f12d8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:GQAKZPFMF5GAGXESOJSD5ZVKNM","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:36:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MZrB35oepIGNsptVRBza4+MZ+DCpw+wUPyzwdclKbKbjNycF1iMN1a0hmidO7UCaQxIQMxIzQ/hhT+AboCfCCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:35:09.021956Z"},"content_sha256":"601c8492bc9da2823d6c3366ec72d16f409a7590d24b6d8f757f285907c5fede","schema_version":"1.0","event_id":"sha256:601c8492bc9da2823d6c3366ec72d16f409a7590d24b6d8f757f285907c5fede"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/bundle.json","state_url":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T15:35:09Z","links":{"resolver":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM","bundle":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/bundle.json","state":"https://pith.science/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GQAKZPFMF5GAGXESOJSD5ZVKNM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:GQAKZPFMF5GAGXESOJSD5ZVKNM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"d11e73ae034085d4e18b8d99950d93f41632b801f1d2c562f965d4cf233a4f39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-20T20:00:36Z","title_canon_sha256":"402c8366b28553171469acff6fa7c36d738c0a5a42a9c6ef7fdd58eb128c59fd"},"schema_version":"1.0","source":{"id":"1505.05510","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.05510","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"arxiv_version","alias_value":"1505.05510v2","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.05510","created_at":"2026-05-18T01:36:17Z"},{"alias_kind":"pith_short_12","alias_value":"GQAKZPFMF5GA","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"GQAKZPFMF5GAGXES","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"GQAKZPFM","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:601c8492bc9da2823d6c3366ec72d16f409a7590d24b6d8f757f285907c5fede","target":"graph","created_at":"2026-05-18T01:36:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"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","authors_text":"Angel M. Uranga, I\\~naki Garc\\'ia-Etxebarria, Miguel Montero","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-20T20:00:36Z","title":"Closed tachyon solitons in type II string theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.05510","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d712bb42702850194a213c86944d546ff44b31c69eac5439597f47a204f12d8e","target":"record","created_at":"2026-05-18T01:36:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"d11e73ae034085d4e18b8d99950d93f41632b801f1d2c562f965d4cf233a4f39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-05-20T20:00:36Z","title_canon_sha256":"402c8366b28553171469acff6fa7c36d738c0a5a42a9c6ef7fdd58eb128c59fd"},"schema_version":"1.0","source":{"id":"1505.05510","kind":"arxiv","version":2}},"canonical_sha256":"3400acbcac2f4c035c9272643ee6aa6b029a967abfe7f2e323dbc9d1d99d785e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3400acbcac2f4c035c9272643ee6aa6b029a967abfe7f2e323dbc9d1d99d785e","first_computed_at":"2026-05-18T01:36:17.927657Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:17.927657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NTo3Cf/ChC31q0qqq2y5gQYxLeLY1MdO89vdeaJfo6JPdKgNR7xL7Ri23lQaqdmRUaVvfimwjwOjROIPtYaaBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:17.928268Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.05510","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d712bb42702850194a213c86944d546ff44b31c69eac5439597f47a204f12d8e","sha256:601c8492bc9da2823d6c3366ec72d16f409a7590d24b6d8f757f285907c5fede"],"state_sha256":"b4f40ed5d59cb4d1b4745e4d3c7beb44c7d50961880ae32c21ec671cf2ecbb94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CykxP5wshva+9XxbV392k6oUju9bX3quJWe/9TpO6oKtveTGIRqhAX/lpgtqQFUmvC8cU1hIH6k7K3iVsBrLBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:35:09.026046Z","bundle_sha256":"4043f51e0833672a41e6f37143dfbd4f5741d30849f571d4ae9651101c96b37d"}}