{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WAVYVT5RSF6EZJE7V7WDM4CX46","short_pith_number":"pith:WAVYVT5R","canonical_record":{"source":{"id":"2411.18455","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-11-27T15:45:55Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"064d5188c8deac0857ce9ee9993e8af4543eb354903d9b2275a54a629441667a","abstract_canon_sha256":"327b7ea6eb37cc3d031cb893e8bbfd2b6e7da4da23c184d3ecab4189d989a269"},"schema_version":"1.0"},"canonical_sha256":"b02b8acfb1917c4ca49fafec367057e7bb9a7cff7b00d682c7174ee4b1912171","source":{"kind":"arxiv","id":"2411.18455","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.18455","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"arxiv_version","alias_value":"2411.18455v2","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.18455","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"pith_short_12","alias_value":"WAVYVT5RSF6E","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"pith_short_16","alias_value":"WAVYVT5RSF6EZJE7","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"pith_short_8","alias_value":"WAVYVT5R","created_at":"2026-07-05T10:02:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WAVYVT5RSF6EZJE7V7WDM4CX46","target":"record","payload":{"canonical_record":{"source":{"id":"2411.18455","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-11-27T15:45:55Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"064d5188c8deac0857ce9ee9993e8af4543eb354903d9b2275a54a629441667a","abstract_canon_sha256":"327b7ea6eb37cc3d031cb893e8bbfd2b6e7da4da23c184d3ecab4189d989a269"},"schema_version":"1.0"},"canonical_sha256":"b02b8acfb1917c4ca49fafec367057e7bb9a7cff7b00d682c7174ee4b1912171","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:02:55.372671Z","signature_b64":"viSnznVGSZErp1SwufR9GD2nkkD8jX5Z5zGWxWyxOSh9nozOjGMeva+9ueXdbDIx3pyvDh6c6tR5JQyw658lCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b02b8acfb1917c4ca49fafec367057e7bb9a7cff7b00d682c7174ee4b1912171","last_reissued_at":"2026-07-05T10:02:55.372047Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:02:55.372047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2411.18455","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":"2026-07-05T10:02:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ErT4wjq9Qd6xJ+cMdV8r9j6400MAgvFP8nL4htSfTmu67xhQxReJ6p972a8eh4HB/qWLasiqA/DewfBPz1clCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T13:56:31.417843Z"},"content_sha256":"cae4a3e2f0c725f3c163383351af623dab62debbf5eb8136eff46943bb9641fb","schema_version":"1.0","event_id":"sha256:cae4a3e2f0c725f3c163383351af623dab62debbf5eb8136eff46943bb9641fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WAVYVT5RSF6EZJE7V7WDM4CX46","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological solutions in teleparallel $F(T,B)$ gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"Alexandre Landry, Fateme Gholami","submitted_at":"2024-11-27T15:45:55Z","abstract_excerpt":"In this paper, we find several teleparallel $F(T,B)$ solutions for a Robertson--Walker (TRW) cosmological spacetime. We first set and solve the $F(T,B)$-type field equations for a linear perfect fluid. Using similar techniques, we then find new $F(T,B)$ solutions for non-linear perfect fluids with a weak quadratic correction term to the linear equation of state (EoS). Finally, we solve for new classes of $F(T,B)$ solutions for a scalar field source by assuming a power-law scalar field and then an exponential scalar field in terms of the time coordinate. For flat cosmological cases ($k=0$ cases"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.18455","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.18455/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:02:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2nudzgBoW8D32WfLzM33CkvI+9/1/fmfvJ02XEFZGLgCIuh87N68JGn9gRIXTn4/+rlRJvsjSWqDQGOCyGqEBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T13:56:31.418765Z"},"content_sha256":"bfe8ce14bb0ddc971f38cebbbb47dcb9e8f15e6c38f299f22369a995251ee9aa","schema_version":"1.0","event_id":"sha256:bfe8ce14bb0ddc971f38cebbbb47dcb9e8f15e6c38f299f22369a995251ee9aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WAVYVT5RSF6EZJE7V7WDM4CX46/bundle.json","state_url":"https://pith.science/pith/WAVYVT5RSF6EZJE7V7WDM4CX46/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WAVYVT5RSF6EZJE7V7WDM4CX46/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":"2026-08-08T13:56:31Z","links":{"resolver":"https://pith.science/pith/WAVYVT5RSF6EZJE7V7WDM4CX46","bundle":"https://pith.science/pith/WAVYVT5RSF6EZJE7V7WDM4CX46/bundle.json","state":"https://pith.science/pith/WAVYVT5RSF6EZJE7V7WDM4CX46/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WAVYVT5RSF6EZJE7V7WDM4CX46/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WAVYVT5RSF6EZJE7V7WDM4CX46","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":"327b7ea6eb37cc3d031cb893e8bbfd2b6e7da4da23c184d3ecab4189d989a269","cross_cats_sorted":["math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-11-27T15:45:55Z","title_canon_sha256":"064d5188c8deac0857ce9ee9993e8af4543eb354903d9b2275a54a629441667a"},"schema_version":"1.0","source":{"id":"2411.18455","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.18455","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"arxiv_version","alias_value":"2411.18455v2","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.18455","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"pith_short_12","alias_value":"WAVYVT5RSF6E","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"pith_short_16","alias_value":"WAVYVT5RSF6EZJE7","created_at":"2026-07-05T10:02:55Z"},{"alias_kind":"pith_short_8","alias_value":"WAVYVT5R","created_at":"2026-07-05T10:02:55Z"}],"graph_snapshots":[{"event_id":"sha256:bfe8ce14bb0ddc971f38cebbbb47dcb9e8f15e6c38f299f22369a995251ee9aa","target":"graph","created_at":"2026-07-05T10:02:55Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2411.18455/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we find several teleparallel $F(T,B)$ solutions for a Robertson--Walker (TRW) cosmological spacetime. We first set and solve the $F(T,B)$-type field equations for a linear perfect fluid. Using similar techniques, we then find new $F(T,B)$ solutions for non-linear perfect fluids with a weak quadratic correction term to the linear equation of state (EoS). Finally, we solve for new classes of $F(T,B)$ solutions for a scalar field source by assuming a power-law scalar field and then an exponential scalar field in terms of the time coordinate. For flat cosmological cases ($k=0$ cases","authors_text":"Alexandre Landry, Fateme Gholami","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-11-27T15:45:55Z","title":"Cosmological solutions in teleparallel $F(T,B)$ gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.18455","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:cae4a3e2f0c725f3c163383351af623dab62debbf5eb8136eff46943bb9641fb","target":"record","created_at":"2026-07-05T10:02:55Z","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":"327b7ea6eb37cc3d031cb893e8bbfd2b6e7da4da23c184d3ecab4189d989a269","cross_cats_sorted":["math-ph","math.MP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2024-11-27T15:45:55Z","title_canon_sha256":"064d5188c8deac0857ce9ee9993e8af4543eb354903d9b2275a54a629441667a"},"schema_version":"1.0","source":{"id":"2411.18455","kind":"arxiv","version":2}},"canonical_sha256":"b02b8acfb1917c4ca49fafec367057e7bb9a7cff7b00d682c7174ee4b1912171","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b02b8acfb1917c4ca49fafec367057e7bb9a7cff7b00d682c7174ee4b1912171","first_computed_at":"2026-07-05T10:02:55.372047Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:02:55.372047Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"viSnznVGSZErp1SwufR9GD2nkkD8jX5Z5zGWxWyxOSh9nozOjGMeva+9ueXdbDIx3pyvDh6c6tR5JQyw658lCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:02:55.372671Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.18455","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cae4a3e2f0c725f3c163383351af623dab62debbf5eb8136eff46943bb9641fb","sha256:bfe8ce14bb0ddc971f38cebbbb47dcb9e8f15e6c38f299f22369a995251ee9aa"],"state_sha256":"5978c05e5ddb961ef2cf286f7d82ad719de2e92623a7f3107d31af35b5b04aa7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cQhS8xpVCSvmX1w3/d1I1mj6RzgGDokuVjIWo7hDROfUv3Coch/eV+cUrj/U69+JJn0cWBtY56kI2OH0hBa9AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T13:56:31.424744Z","bundle_sha256":"3fd4465dec47eed3035771af4860c6d76c445a6ef8816ec2231bb801b2a2b182"}}