{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:DNXTGUDQMPXC6MBORB57G45VMI","short_pith_number":"pith:DNXTGUDQ","canonical_record":{"source":{"id":"1504.05678","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-04-22T07:43:48Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"972ba71619034e471995fa75d2317b029e3dcddbbb0029c161a93777a68be6e8","abstract_canon_sha256":"bf20f37884439df816d2c0e94525b15d4d0e8f43bf1dd7fbfa3865a844abfa6b"},"schema_version":"1.0"},"canonical_sha256":"1b6f33507063ee2f302e887bf373b5621f3f65c38e0b3d7860743937615c9f32","source":{"kind":"arxiv","id":"1504.05678","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05678","created_at":"2026-05-18T01:02:57Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05678v5","created_at":"2026-05-18T01:02:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05678","created_at":"2026-05-18T01:02:57Z"},{"alias_kind":"pith_short_12","alias_value":"DNXTGUDQMPXC","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DNXTGUDQMPXC6MBO","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DNXTGUDQ","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:DNXTGUDQMPXC6MBORB57G45VMI","target":"record","payload":{"canonical_record":{"source":{"id":"1504.05678","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-04-22T07:43:48Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"972ba71619034e471995fa75d2317b029e3dcddbbb0029c161a93777a68be6e8","abstract_canon_sha256":"bf20f37884439df816d2c0e94525b15d4d0e8f43bf1dd7fbfa3865a844abfa6b"},"schema_version":"1.0"},"canonical_sha256":"1b6f33507063ee2f302e887bf373b5621f3f65c38e0b3d7860743937615c9f32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:57.038090Z","signature_b64":"PmPE7ymermIud5YHHQJKrlblP15NI8oKm6wN9ItmMnGlnxmMhpQjqkK139lJx0g3mwhxsLARk3xawxuxyzveBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b6f33507063ee2f302e887bf373b5621f3f65c38e0b3d7860743937615c9f32","last_reissued_at":"2026-05-18T01:02:57.037618Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:57.037618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.05678","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:02:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nIQPAQTQEaN4l79UDmRcAQtaqSsu1EbitC5AVJDrG/6+yt/6lCPkWFiqMcd2LfDvsUOsNrbsgF25BjHpkzBvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T21:29:44.047500Z"},"content_sha256":"d499a18c5ddacb3917e20a83f8b2af0ceb78991001388864cc7813d371f625eb","schema_version":"1.0","event_id":"sha256:d499a18c5ddacb3917e20a83f8b2af0ceb78991001388864cc7813d371f625eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:DNXTGUDQMPXC6MBORB57G45VMI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry breaking and the onset of cosmic acceleration in scalar field models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"H. Mohseni Sadjadi, H. R. Sepangi, M. Honardoost","submitted_at":"2015-04-22T07:43:48Z","abstract_excerpt":"We propose a new scenario for the onset of positive acceleration of our Universe based on symmetry breaking in coupled dark energy scalar field model. In a symmetry breaking process where the scalar field rolls down its own potential, the potential reduction is not in favor of acceleration. In our model, when dark matter density becomes less than a critical value, the shape of the effective potential is changed and, the quintessence field climbs up along {\\it{its own potential}} while rolls down the effective potential. We show that this procedure may establish the positivity of the potential "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05678","kind":"arxiv","version":5},"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":"2026-05-18T01:02:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YQ/2FeXrgLVIi43VEis2OlCUyXJIhjvCXs6zne+4d8fKp+P+7qDdGvDhF2S6LbpGoegSTCOPmPEq/t/cHVGYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T21:29:44.048212Z"},"content_sha256":"e64fa1e40acd3e0d78a2320af5dbcd99e29f076535093720c5a1331f2059535c","schema_version":"1.0","event_id":"sha256:e64fa1e40acd3e0d78a2320af5dbcd99e29f076535093720c5a1331f2059535c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DNXTGUDQMPXC6MBORB57G45VMI/bundle.json","state_url":"https://pith.science/pith/DNXTGUDQMPXC6MBORB57G45VMI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DNXTGUDQMPXC6MBORB57G45VMI/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":"2026-06-07T21:29:44Z","links":{"resolver":"https://pith.science/pith/DNXTGUDQMPXC6MBORB57G45VMI","bundle":"https://pith.science/pith/DNXTGUDQMPXC6MBORB57G45VMI/bundle.json","state":"https://pith.science/pith/DNXTGUDQMPXC6MBORB57G45VMI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DNXTGUDQMPXC6MBORB57G45VMI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DNXTGUDQMPXC6MBORB57G45VMI","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":"bf20f37884439df816d2c0e94525b15d4d0e8f43bf1dd7fbfa3865a844abfa6b","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-04-22T07:43:48Z","title_canon_sha256":"972ba71619034e471995fa75d2317b029e3dcddbbb0029c161a93777a68be6e8"},"schema_version":"1.0","source":{"id":"1504.05678","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05678","created_at":"2026-05-18T01:02:57Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05678v5","created_at":"2026-05-18T01:02:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05678","created_at":"2026-05-18T01:02:57Z"},{"alias_kind":"pith_short_12","alias_value":"DNXTGUDQMPXC","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DNXTGUDQMPXC6MBO","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DNXTGUDQ","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:e64fa1e40acd3e0d78a2320af5dbcd99e29f076535093720c5a1331f2059535c","target":"graph","created_at":"2026-05-18T01:02:57Z","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 propose a new scenario for the onset of positive acceleration of our Universe based on symmetry breaking in coupled dark energy scalar field model. In a symmetry breaking process where the scalar field rolls down its own potential, the potential reduction is not in favor of acceleration. In our model, when dark matter density becomes less than a critical value, the shape of the effective potential is changed and, the quintessence field climbs up along {\\it{its own potential}} while rolls down the effective potential. We show that this procedure may establish the positivity of the potential ","authors_text":"H. Mohseni Sadjadi, H. R. Sepangi, M. Honardoost","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-04-22T07:43:48Z","title":"Symmetry breaking and the onset of cosmic acceleration in scalar field models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05678","kind":"arxiv","version":5},"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:d499a18c5ddacb3917e20a83f8b2af0ceb78991001388864cc7813d371f625eb","target":"record","created_at":"2026-05-18T01:02:57Z","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":"bf20f37884439df816d2c0e94525b15d4d0e8f43bf1dd7fbfa3865a844abfa6b","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-04-22T07:43:48Z","title_canon_sha256":"972ba71619034e471995fa75d2317b029e3dcddbbb0029c161a93777a68be6e8"},"schema_version":"1.0","source":{"id":"1504.05678","kind":"arxiv","version":5}},"canonical_sha256":"1b6f33507063ee2f302e887bf373b5621f3f65c38e0b3d7860743937615c9f32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b6f33507063ee2f302e887bf373b5621f3f65c38e0b3d7860743937615c9f32","first_computed_at":"2026-05-18T01:02:57.037618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:57.037618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PmPE7ymermIud5YHHQJKrlblP15NI8oKm6wN9ItmMnGlnxmMhpQjqkK139lJx0g3mwhxsLARk3xawxuxyzveBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:57.038090Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.05678","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d499a18c5ddacb3917e20a83f8b2af0ceb78991001388864cc7813d371f625eb","sha256:e64fa1e40acd3e0d78a2320af5dbcd99e29f076535093720c5a1331f2059535c"],"state_sha256":"3ad6c7b09ab4a5fd19d6208b99ff6fa7a20800b0770ce48bb835049f6865c77b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bcfStuCLTCvO2MuvfGN1qevT6KpAEbia6By2ZLz25SgnGHhEi/iSyP0qOUJiq2AuOIvnbuVfMj3b2ztTPeUUAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T21:29:44.052893Z","bundle_sha256":"7425785dc0857db6fb41d88e1d55ccecae4183065066fe4e2e2b2d0c2a472f72"}}