{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:6QRMW5V4SFEWOAVE3RK6DHNJ5Z","short_pith_number":"pith:6QRMW5V4","canonical_record":{"source":{"id":"1311.2173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-11-09T14:31:13Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"e155bb052fb855a754031b70bdc796365e7f48f9e0481030c2d9d533c651240e","abstract_canon_sha256":"21ae9b144dd8ce35a166753efcb0acb35344bb1eb04d107b2ef6c68f219d3b8c"},"schema_version":"1.0"},"canonical_sha256":"f422cb76bc91496702a4dc55e19da9ee642b8724947674138ce4630cde223dda","source":{"kind":"arxiv","id":"1311.2173","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2173","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2173v1","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2173","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"pith_short_12","alias_value":"6QRMW5V4SFEW","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6QRMW5V4SFEWOAVE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6QRMW5V4","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:6QRMW5V4SFEWOAVE3RK6DHNJ5Z","target":"record","payload":{"canonical_record":{"source":{"id":"1311.2173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-11-09T14:31:13Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"e155bb052fb855a754031b70bdc796365e7f48f9e0481030c2d9d533c651240e","abstract_canon_sha256":"21ae9b144dd8ce35a166753efcb0acb35344bb1eb04d107b2ef6c68f219d3b8c"},"schema_version":"1.0"},"canonical_sha256":"f422cb76bc91496702a4dc55e19da9ee642b8724947674138ce4630cde223dda","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:32.662120Z","signature_b64":"zb7cDefX/nfkjlSxREfwC+nTBOyg7d06rtrOakjU4N2IKSv1ywngAye4ocenwnSNwR6/BrPGVpIsvlif3W0vCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f422cb76bc91496702a4dc55e19da9ee642b8724947674138ce4630cde223dda","last_reissued_at":"2026-05-18T01:46:32.661594Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:32.661594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.2173","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":"2026-05-18T01:46:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4a7zU2HjTyIJdG2sui6FR4+8l2rP4aknEQWyvfIRappsrJkyPLedoO7NNS9jt60N/bvqUwM2wSVewc+jpJoCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T23:21:47.625037Z"},"content_sha256":"2472d00e45c48a33353ac74f997454fa6d68dbcbffe0ad72a986c870c780bda1","schema_version":"1.0","event_id":"sha256:2472d00e45c48a33353ac74f997454fa6d68dbcbffe0ad72a986c870c780bda1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:6QRMW5V4SFEWOAVE3RK6DHNJ5Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Noether symmetries and analytical solutions in f(T)-cosmology: A complete study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"A. Paliathanasis, M. De Laurentis, M. Tsamparlis, S. Basilakos, S. Capozziello","submitted_at":"2013-11-09T14:31:13Z","abstract_excerpt":"We investigate the main features of the flat Friedmann-Lema{\\i}tre-Robertson-Walker cosmological models in the f(T) teleparallel gravity. In particular, a general approach to find out exact cosmological solutions in f (T) gravity is discussed. Instead of taking into account phenomenological models, we consider as a selection criterion, the existence of Noether symmetries in the cosmological f(T) point-like Lagrangian. We find that only power-law models admit extra Noether symmetries. A complete analysis of such cosmological models is developed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2173","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":"2026-05-18T01:46:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cY2GOTMamqSzb+w72ptfIDt6BnLIVSPCnfOwems8zRk7nPLy6nJBaSmLpapKO6X5iM3ncYzXf3EPasf1UhJ3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-21T23:21:47.625400Z"},"content_sha256":"da2051d16d2b934c1609a8d6e41946a67b0708ad1b61093f710facd0b5faa763","schema_version":"1.0","event_id":"sha256:da2051d16d2b934c1609a8d6e41946a67b0708ad1b61093f710facd0b5faa763"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6QRMW5V4SFEWOAVE3RK6DHNJ5Z/bundle.json","state_url":"https://pith.science/pith/6QRMW5V4SFEWOAVE3RK6DHNJ5Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6QRMW5V4SFEWOAVE3RK6DHNJ5Z/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":"2026-06-21T23:21:47Z","links":{"resolver":"https://pith.science/pith/6QRMW5V4SFEWOAVE3RK6DHNJ5Z","bundle":"https://pith.science/pith/6QRMW5V4SFEWOAVE3RK6DHNJ5Z/bundle.json","state":"https://pith.science/pith/6QRMW5V4SFEWOAVE3RK6DHNJ5Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6QRMW5V4SFEWOAVE3RK6DHNJ5Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:6QRMW5V4SFEWOAVE3RK6DHNJ5Z","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":"21ae9b144dd8ce35a166753efcb0acb35344bb1eb04d107b2ef6c68f219d3b8c","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-11-09T14:31:13Z","title_canon_sha256":"e155bb052fb855a754031b70bdc796365e7f48f9e0481030c2d9d533c651240e"},"schema_version":"1.0","source":{"id":"1311.2173","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2173","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2173v1","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2173","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"pith_short_12","alias_value":"6QRMW5V4SFEW","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"6QRMW5V4SFEWOAVE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"6QRMW5V4","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:da2051d16d2b934c1609a8d6e41946a67b0708ad1b61093f710facd0b5faa763","target":"graph","created_at":"2026-05-18T01:46:32Z","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":"We investigate the main features of the flat Friedmann-Lema{\\i}tre-Robertson-Walker cosmological models in the f(T) teleparallel gravity. In particular, a general approach to find out exact cosmological solutions in f (T) gravity is discussed. Instead of taking into account phenomenological models, we consider as a selection criterion, the existence of Noether symmetries in the cosmological f(T) point-like Lagrangian. We find that only power-law models admit extra Noether symmetries. A complete analysis of such cosmological models is developed.","authors_text":"A. Paliathanasis, M. De Laurentis, M. Tsamparlis, S. Basilakos, S. Capozziello","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-11-09T14:31:13Z","title":"Noether symmetries and analytical solutions in f(T)-cosmology: A complete study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2173","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":"sha256:2472d00e45c48a33353ac74f997454fa6d68dbcbffe0ad72a986c870c780bda1","target":"record","created_at":"2026-05-18T01:46:32Z","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":"21ae9b144dd8ce35a166753efcb0acb35344bb1eb04d107b2ef6c68f219d3b8c","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-11-09T14:31:13Z","title_canon_sha256":"e155bb052fb855a754031b70bdc796365e7f48f9e0481030c2d9d533c651240e"},"schema_version":"1.0","source":{"id":"1311.2173","kind":"arxiv","version":1}},"canonical_sha256":"f422cb76bc91496702a4dc55e19da9ee642b8724947674138ce4630cde223dda","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f422cb76bc91496702a4dc55e19da9ee642b8724947674138ce4630cde223dda","first_computed_at":"2026-05-18T01:46:32.661594Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:32.661594Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zb7cDefX/nfkjlSxREfwC+nTBOyg7d06rtrOakjU4N2IKSv1ywngAye4ocenwnSNwR6/BrPGVpIsvlif3W0vCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:32.662120Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.2173","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2472d00e45c48a33353ac74f997454fa6d68dbcbffe0ad72a986c870c780bda1","sha256:da2051d16d2b934c1609a8d6e41946a67b0708ad1b61093f710facd0b5faa763"],"state_sha256":"e722ad737ba07ed67da959a7a85bbda489e11ec85a434fd51a011e2188caf02a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yKL2+ZMvDc5E5CfgJieriypGLY7YNac4qlwgx9adwwoUhBXeuusOh3+JUPKAUJInLEydu+A9Y9Q7LG9ip3EtAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-21T23:21:47.627348Z","bundle_sha256":"e29acd6a340b3591b90327af4c30467621115832ff51dbb1d74d9b4c8ee224d1"}}