{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:6B3HX7TTIKYJNXPKBYR2IOJFDY","short_pith_number":"pith:6B3HX7TT","canonical_record":{"source":{"id":"2011.08377","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-11-17T02:32:21Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"91f03b18f4efb80d92b072b49605654be389250528920c59d2c4b1ae3687bb22","abstract_canon_sha256":"30b78661c2d4f260aa674c5e822e92b95e9ee1a3af0930a599ea939bbb33cdc3"},"schema_version":"1.0"},"canonical_sha256":"f0767bfe7342b096ddea0e23a439251e24ae92df6d296492707a7142e11e1cec","source":{"kind":"arxiv","id":"2011.08377","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.08377","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"2011.08377v4","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.08377","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"6B3HX7TTIKYJ","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"pith_short_16","alias_value":"6B3HX7TTIKYJNXPK","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"pith_short_8","alias_value":"6B3HX7TT","created_at":"2026-07-05T02:49:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:6B3HX7TTIKYJNXPKBYR2IOJFDY","target":"record","payload":{"canonical_record":{"source":{"id":"2011.08377","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-11-17T02:32:21Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"91f03b18f4efb80d92b072b49605654be389250528920c59d2c4b1ae3687bb22","abstract_canon_sha256":"30b78661c2d4f260aa674c5e822e92b95e9ee1a3af0930a599ea939bbb33cdc3"},"schema_version":"1.0"},"canonical_sha256":"f0767bfe7342b096ddea0e23a439251e24ae92df6d296492707a7142e11e1cec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:49:20.793480Z","signature_b64":"K44rSqF/S48Kc1Yz/S3hRRZCGZ9C7y6s3ofNhjObkyPWvh6rzR8bRg1MjEDAgY6Y+jNMkDis1dCRqVNagoqjAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f0767bfe7342b096ddea0e23a439251e24ae92df6d296492707a7142e11e1cec","last_reissued_at":"2026-07-05T02:49:20.793024Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:49:20.793024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.08377","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:49:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zkCH8XKfdA6biWn4YFxebD65o/oRS1ZRasRiWkmri+dJloUI8ZN/tlcgSmLKlaw5XUgQIJJaL2TBszu7fivLBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T23:15:33.426974Z"},"content_sha256":"1363282381d701f79e185bbe40ea8eecd5d2db01c5b6964cf79788d2ad776029","schema_version":"1.0","event_id":"sha256:1363282381d701f79e185bbe40ea8eecd5d2db01c5b6964cf79788d2ad776029"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:6B3HX7TTIKYJNXPKBYR2IOJFDY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological dynamics of dark energy in scalar-torsion $f(T,\\phi)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Giovanni Otalora, Manuel Gonzalez-Espinoza","submitted_at":"2020-11-17T02:32:21Z","abstract_excerpt":"It is investigated the cosmological dynamics of scalar-torsion $f(T,\\phi)$ gravity as a dark energy model, where $T$ is the torsion scalar of teleparallel gravity and $\\phi$ is a canonical scalar field. In this context, we are concerned with the phenomenology of the class of models with non-linear coupling to gravity and exponential potential. We obtain the critical points of the autonomous system, along with the stability conditions of each one of them and their cosmological properties. Particularly, we show the existence of new attractors with accelerated expansion, as well as, new scaling s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.08377","kind":"arxiv","version":4},"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/2011.08377/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":"2026-07-05T02:49:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VTTvBoQmEncZTChg4GzsJb5hgi3rz0Eb3CW/Gf+ZMdiZETZ/TX0rjoLHe11Pp22RYw6XOWERPe7EEDHCo1lNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T23:15:33.427775Z"},"content_sha256":"ea002d101cc4038e01b12630b6f895494df3b454efd1a15a958e49a89f077627","schema_version":"1.0","event_id":"sha256:ea002d101cc4038e01b12630b6f895494df3b454efd1a15a958e49a89f077627"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6B3HX7TTIKYJNXPKBYR2IOJFDY/bundle.json","state_url":"https://pith.science/pith/6B3HX7TTIKYJNXPKBYR2IOJFDY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6B3HX7TTIKYJNXPKBYR2IOJFDY/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":"2026-08-05T23:15:33Z","links":{"resolver":"https://pith.science/pith/6B3HX7TTIKYJNXPKBYR2IOJFDY","bundle":"https://pith.science/pith/6B3HX7TTIKYJNXPKBYR2IOJFDY/bundle.json","state":"https://pith.science/pith/6B3HX7TTIKYJNXPKBYR2IOJFDY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6B3HX7TTIKYJNXPKBYR2IOJFDY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:6B3HX7TTIKYJNXPKBYR2IOJFDY","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":"30b78661c2d4f260aa674c5e822e92b95e9ee1a3af0930a599ea939bbb33cdc3","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-11-17T02:32:21Z","title_canon_sha256":"91f03b18f4efb80d92b072b49605654be389250528920c59d2c4b1ae3687bb22"},"schema_version":"1.0","source":{"id":"2011.08377","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.08377","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"arxiv_version","alias_value":"2011.08377v4","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.08377","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"pith_short_12","alias_value":"6B3HX7TTIKYJ","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"pith_short_16","alias_value":"6B3HX7TTIKYJNXPK","created_at":"2026-07-05T02:49:20Z"},{"alias_kind":"pith_short_8","alias_value":"6B3HX7TT","created_at":"2026-07-05T02:49:20Z"}],"graph_snapshots":[{"event_id":"sha256:ea002d101cc4038e01b12630b6f895494df3b454efd1a15a958e49a89f077627","target":"graph","created_at":"2026-07-05T02:49:20Z","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/2011.08377/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"It is investigated the cosmological dynamics of scalar-torsion $f(T,\\phi)$ gravity as a dark energy model, where $T$ is the torsion scalar of teleparallel gravity and $\\phi$ is a canonical scalar field. In this context, we are concerned with the phenomenology of the class of models with non-linear coupling to gravity and exponential potential. We obtain the critical points of the autonomous system, along with the stability conditions of each one of them and their cosmological properties. Particularly, we show the existence of new attractors with accelerated expansion, as well as, new scaling s","authors_text":"Giovanni Otalora, Manuel Gonzalez-Espinoza","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-11-17T02:32:21Z","title":"Cosmological dynamics of dark energy in scalar-torsion $f(T,\\phi)$ gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.08377","kind":"arxiv","version":4},"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":"sha256:1363282381d701f79e185bbe40ea8eecd5d2db01c5b6964cf79788d2ad776029","target":"record","created_at":"2026-07-05T02:49:20Z","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":"30b78661c2d4f260aa674c5e822e92b95e9ee1a3af0930a599ea939bbb33cdc3","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-11-17T02:32:21Z","title_canon_sha256":"91f03b18f4efb80d92b072b49605654be389250528920c59d2c4b1ae3687bb22"},"schema_version":"1.0","source":{"id":"2011.08377","kind":"arxiv","version":4}},"canonical_sha256":"f0767bfe7342b096ddea0e23a439251e24ae92df6d296492707a7142e11e1cec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f0767bfe7342b096ddea0e23a439251e24ae92df6d296492707a7142e11e1cec","first_computed_at":"2026-07-05T02:49:20.793024Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:49:20.793024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K44rSqF/S48Kc1Yz/S3hRRZCGZ9C7y6s3ofNhjObkyPWvh6rzR8bRg1MjEDAgY6Y+jNMkDis1dCRqVNagoqjAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:49:20.793480Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.08377","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1363282381d701f79e185bbe40ea8eecd5d2db01c5b6964cf79788d2ad776029","sha256:ea002d101cc4038e01b12630b6f895494df3b454efd1a15a958e49a89f077627"],"state_sha256":"53c43c165da2fcb3c7af4706e07968916d1ccc9e2d83bda72a430dfd1db5413c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hufyEngMEcJ2chphiA0OIs2NgAR0xnl8/mA8AcRAvh6M+oGj2qpemH4UhxyBVwV4sX9/l9xjEaGLJJtXNktAAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T23:15:33.433819Z","bundle_sha256":"9c7417d170e7123efbc3ab841b08cfe754d9c77e2b2276d28cb7ba835ddb5fe2"}}