{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:J75MGLQFHWIL7LVTFYBDLSVHTC","short_pith_number":"pith:J75MGLQF","canonical_record":{"source":{"id":"0804.0553","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-04-03T13:30:31Z","cross_cats_sorted":[],"title_canon_sha256":"a2f2ffe1d240584541aba65dfcc6f0371e218b5dd33bef82e04721b7045c0f7a","abstract_canon_sha256":"a64f0025697353f061f0180243740ced4275a776f0256e9def74fb9ed1448cc4"},"schema_version":"1.0"},"canonical_sha256":"4ffac32e053d90bfaeb32e0235caa798acf6ca748ddd135ebef09d40bc08e319","source":{"kind":"arxiv","id":"0804.0553","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0804.0553","created_at":"2026-05-18T04:38:48Z"},{"alias_kind":"arxiv_version","alias_value":"0804.0553v1","created_at":"2026-05-18T04:38:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.0553","created_at":"2026-05-18T04:38:48Z"},{"alias_kind":"pith_short_12","alias_value":"J75MGLQFHWIL","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"J75MGLQFHWIL7LVT","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"J75MGLQF","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:J75MGLQFHWIL7LVTFYBDLSVHTC","target":"record","payload":{"canonical_record":{"source":{"id":"0804.0553","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-04-03T13:30:31Z","cross_cats_sorted":[],"title_canon_sha256":"a2f2ffe1d240584541aba65dfcc6f0371e218b5dd33bef82e04721b7045c0f7a","abstract_canon_sha256":"a64f0025697353f061f0180243740ced4275a776f0256e9def74fb9ed1448cc4"},"schema_version":"1.0"},"canonical_sha256":"4ffac32e053d90bfaeb32e0235caa798acf6ca748ddd135ebef09d40bc08e319","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:48.778614Z","signature_b64":"uuOIlPP+nJf9jUq5biCxY2CQn5NRBNC3DZQ4skzGLIJm4Nb1dfSIu9Wggc9npr6jHhzXaQKOeGzEGRpyRRaZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ffac32e053d90bfaeb32e0235caa798acf6ca748ddd135ebef09d40bc08e319","last_reissued_at":"2026-05-18T04:38:48.778174Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:48.778174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0804.0553","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:38:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YJVAazs6QuZ1h2WdWHKVGNO2l/MSYSrvdySgnTSjk6OkehuKw4PZ6HABtYRsru1W09MFfBAuCL4U6kVfWgFjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T19:41:17.022803Z"},"content_sha256":"03939652bfa8dea8c03205452c78f2736c77b1cc9c5f972b3d8d86d24b55aeba","schema_version":"1.0","event_id":"sha256:03939652bfa8dea8c03205452c78f2736c77b1cc9c5f972b3d8d86d24b55aeba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:J75MGLQFHWIL7LVTFYBDLSVHTC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-minimally Coupled Quintom Model Inspired by String Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"A. Banijamali, F. Milani, J. Sadeghi, M. R. Setare","submitted_at":"2008-04-03T13:30:31Z","abstract_excerpt":"In this paper we consider a quintom model of dark energy with a single scalar field $T$ given by a Lagrangian which inspired by tachyonic Lagrangian in string theory. We consider non-minimal coupling of tachyon field to the scalar curvature, then we obtain the equation of state (EoS), and the condition required for the model parameters when $\\omega$ crosses over -1."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.0553","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:38:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mS42ABcb2mqcOa5MyseYgaej2Ad//3Qa7c9KLvgebEGRoGQz0k9UymUgwtHdj/jZfMMKb9NQ6ola15aCNZJuDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T19:41:17.023373Z"},"content_sha256":"d7fa109d3c97ed59b4019d047a2262249ad9f25a0e5ac2daf489042d3c465826","schema_version":"1.0","event_id":"sha256:d7fa109d3c97ed59b4019d047a2262249ad9f25a0e5ac2daf489042d3c465826"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J75MGLQFHWIL7LVTFYBDLSVHTC/bundle.json","state_url":"https://pith.science/pith/J75MGLQFHWIL7LVTFYBDLSVHTC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J75MGLQFHWIL7LVTFYBDLSVHTC/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":"2026-06-05T19:41:17Z","links":{"resolver":"https://pith.science/pith/J75MGLQFHWIL7LVTFYBDLSVHTC","bundle":"https://pith.science/pith/J75MGLQFHWIL7LVTFYBDLSVHTC/bundle.json","state":"https://pith.science/pith/J75MGLQFHWIL7LVTFYBDLSVHTC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J75MGLQFHWIL7LVTFYBDLSVHTC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:J75MGLQFHWIL7LVTFYBDLSVHTC","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":"a64f0025697353f061f0180243740ced4275a776f0256e9def74fb9ed1448cc4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-04-03T13:30:31Z","title_canon_sha256":"a2f2ffe1d240584541aba65dfcc6f0371e218b5dd33bef82e04721b7045c0f7a"},"schema_version":"1.0","source":{"id":"0804.0553","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0804.0553","created_at":"2026-05-18T04:38:48Z"},{"alias_kind":"arxiv_version","alias_value":"0804.0553v1","created_at":"2026-05-18T04:38:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.0553","created_at":"2026-05-18T04:38:48Z"},{"alias_kind":"pith_short_12","alias_value":"J75MGLQFHWIL","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"J75MGLQFHWIL7LVT","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"J75MGLQF","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:d7fa109d3c97ed59b4019d047a2262249ad9f25a0e5ac2daf489042d3c465826","target":"graph","created_at":"2026-05-18T04:38:48Z","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":"In this paper we consider a quintom model of dark energy with a single scalar field $T$ given by a Lagrangian which inspired by tachyonic Lagrangian in string theory. We consider non-minimal coupling of tachyon field to the scalar curvature, then we obtain the equation of state (EoS), and the condition required for the model parameters when $\\omega$ crosses over -1.","authors_text":"A. Banijamali, F. Milani, J. Sadeghi, M. R. Setare","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-04-03T13:30:31Z","title":"Non-minimally Coupled Quintom Model Inspired by String Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.0553","kind":"arxiv","version":1},"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":"sha256:03939652bfa8dea8c03205452c78f2736c77b1cc9c5f972b3d8d86d24b55aeba","target":"record","created_at":"2026-05-18T04:38:48Z","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":"a64f0025697353f061f0180243740ced4275a776f0256e9def74fb9ed1448cc4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2008-04-03T13:30:31Z","title_canon_sha256":"a2f2ffe1d240584541aba65dfcc6f0371e218b5dd33bef82e04721b7045c0f7a"},"schema_version":"1.0","source":{"id":"0804.0553","kind":"arxiv","version":1}},"canonical_sha256":"4ffac32e053d90bfaeb32e0235caa798acf6ca748ddd135ebef09d40bc08e319","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ffac32e053d90bfaeb32e0235caa798acf6ca748ddd135ebef09d40bc08e319","first_computed_at":"2026-05-18T04:38:48.778174Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:48.778174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uuOIlPP+nJf9jUq5biCxY2CQn5NRBNC3DZQ4skzGLIJm4Nb1dfSIu9Wggc9npr6jHhzXaQKOeGzEGRpyRRaZDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:48.778614Z","signed_message":"canonical_sha256_bytes"},"source_id":"0804.0553","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03939652bfa8dea8c03205452c78f2736c77b1cc9c5f972b3d8d86d24b55aeba","sha256:d7fa109d3c97ed59b4019d047a2262249ad9f25a0e5ac2daf489042d3c465826"],"state_sha256":"1e7a1f984d8c9af081f40df188568269760dbf0003db2e2f2df2d10221439c64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E54upHm/O8AdFfSSqha6MZOPfe3TCPVMUZzZsAlaBtE+jCFt677aFkZzUjhsocqVzl0JG9Rnm+6MVA3c+j92AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T19:41:17.027438Z","bundle_sha256":"952ef9a1078c8e0908bc4cfbd629681c0e4bf7e266f91395d858271478a37ee3"}}