{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:QYJUSPUCGJKUA3Y7DOKR3S67GU","short_pith_number":"pith:QYJUSPUC","canonical_record":{"source":{"id":"1103.3354","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-03-17T08:08:26Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"5b5f74034ed64ecb33add48b91fc966e7a0815a630f64f06c50c53b41998a577","abstract_canon_sha256":"fa6429eee402d035b84ed10b518abc85295fa3ab19db6e4b5cd0288069acebd5"},"schema_version":"1.0"},"canonical_sha256":"8613493e823255406f1f1b951dcbdf352ae3d255277c6c552f4e5f1f2c340b71","source":{"kind":"arxiv","id":"1103.3354","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.3354","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"arxiv_version","alias_value":"1103.3354v1","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.3354","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"pith_short_12","alias_value":"QYJUSPUCGJKU","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QYJUSPUCGJKUA3Y7","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QYJUSPUC","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:QYJUSPUCGJKUA3Y7DOKR3S67GU","target":"record","payload":{"canonical_record":{"source":{"id":"1103.3354","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-03-17T08:08:26Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"5b5f74034ed64ecb33add48b91fc966e7a0815a630f64f06c50c53b41998a577","abstract_canon_sha256":"fa6429eee402d035b84ed10b518abc85295fa3ab19db6e4b5cd0288069acebd5"},"schema_version":"1.0"},"canonical_sha256":"8613493e823255406f1f1b951dcbdf352ae3d255277c6c552f4e5f1f2c340b71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:50.420481Z","signature_b64":"xET9oLRQu8Rg4tXAYUTMxc+29gEHGEy3C+rf8BY6L4R2PElCAMZBY6jtSMvm/hLM+eVQIZ4C6yLamjFufEuYBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8613493e823255406f1f1b951dcbdf352ae3d255277c6c552f4e5f1f2c340b71","last_reissued_at":"2026-05-18T02:02:50.419860Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:50.419860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.3354","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":"2026-05-18T02:02:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z6cr977TT/4JT5L7rhKHMhUtBeQgopMX01EbebSS4P/kFGvRLxrjZWwzn38ZykRBfzN2YkIlSt0DYqzu/kxKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T09:08:27.796986Z"},"content_sha256":"5b37d209bdae952b96629808a3903f46c06f8d382d0748398c4ee4c8b1586d91","schema_version":"1.0","event_id":"sha256:5b37d209bdae952b96629808a3903f46c06f8d382d0748398c4ee4c8b1586d91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:QYJUSPUCGJKUA3Y7DOKR3S67GU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\Lambda$CDM, $\\Lambda$DGP and extended phantom-like cosmologies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Faeze Kiani, Kourosh Nozari","submitted_at":"2011-03-17T08:08:26Z","abstract_excerpt":"In this paper we compare outcomes of some extended phantom-like cosmologies with each other and also with $\\Lambda$CDM\\, and $\\Lambda$DGP. We focus on the variation of the luminosity distances, the age of the universe and the deceleration parameter versus the redshift in these scenarios. In a dynamical system approach, we show that the accelerating phase of the universe in the $f(R)$-DGP scenario is stable if one consider the \\emph{curvature fluid} as a phantom scalar field in the equivalent scalar-tensor theory, otherwise it is a transient and unstable phenomenon. Up to the parameters values "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.3354","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":"2026-05-18T02:02:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a83YtG5Xypz7DAcnxmc2vlPhffqrEukb/HmaDI76OprfA7e5TrC0nFIgti/zzGAYDReOkPYF4rHLELASF9u+BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T09:08:27.797396Z"},"content_sha256":"cd4e49c6dd92b09ec123fe467c483e458d8e988b9ebce08a23f5bf2d50114398","schema_version":"1.0","event_id":"sha256:cd4e49c6dd92b09ec123fe467c483e458d8e988b9ebce08a23f5bf2d50114398"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QYJUSPUCGJKUA3Y7DOKR3S67GU/bundle.json","state_url":"https://pith.science/pith/QYJUSPUCGJKUA3Y7DOKR3S67GU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QYJUSPUCGJKUA3Y7DOKR3S67GU/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":"2026-06-04T09:08:27Z","links":{"resolver":"https://pith.science/pith/QYJUSPUCGJKUA3Y7DOKR3S67GU","bundle":"https://pith.science/pith/QYJUSPUCGJKUA3Y7DOKR3S67GU/bundle.json","state":"https://pith.science/pith/QYJUSPUCGJKUA3Y7DOKR3S67GU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QYJUSPUCGJKUA3Y7DOKR3S67GU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QYJUSPUCGJKUA3Y7DOKR3S67GU","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":"fa6429eee402d035b84ed10b518abc85295fa3ab19db6e4b5cd0288069acebd5","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-03-17T08:08:26Z","title_canon_sha256":"5b5f74034ed64ecb33add48b91fc966e7a0815a630f64f06c50c53b41998a577"},"schema_version":"1.0","source":{"id":"1103.3354","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.3354","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"arxiv_version","alias_value":"1103.3354v1","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.3354","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"pith_short_12","alias_value":"QYJUSPUCGJKU","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QYJUSPUCGJKUA3Y7","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QYJUSPUC","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:cd4e49c6dd92b09ec123fe467c483e458d8e988b9ebce08a23f5bf2d50114398","target":"graph","created_at":"2026-05-18T02:02:50Z","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 compare outcomes of some extended phantom-like cosmologies with each other and also with $\\Lambda$CDM\\, and $\\Lambda$DGP. We focus on the variation of the luminosity distances, the age of the universe and the deceleration parameter versus the redshift in these scenarios. In a dynamical system approach, we show that the accelerating phase of the universe in the $f(R)$-DGP scenario is stable if one consider the \\emph{curvature fluid} as a phantom scalar field in the equivalent scalar-tensor theory, otherwise it is a transient and unstable phenomenon. Up to the parameters values ","authors_text":"Faeze Kiani, Kourosh Nozari","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-03-17T08:08:26Z","title":"$\\Lambda$CDM, $\\Lambda$DGP and extended phantom-like cosmologies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.3354","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":"sha256:5b37d209bdae952b96629808a3903f46c06f8d382d0748398c4ee4c8b1586d91","target":"record","created_at":"2026-05-18T02:02:50Z","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":"fa6429eee402d035b84ed10b518abc85295fa3ab19db6e4b5cd0288069acebd5","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-03-17T08:08:26Z","title_canon_sha256":"5b5f74034ed64ecb33add48b91fc966e7a0815a630f64f06c50c53b41998a577"},"schema_version":"1.0","source":{"id":"1103.3354","kind":"arxiv","version":1}},"canonical_sha256":"8613493e823255406f1f1b951dcbdf352ae3d255277c6c552f4e5f1f2c340b71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8613493e823255406f1f1b951dcbdf352ae3d255277c6c552f4e5f1f2c340b71","first_computed_at":"2026-05-18T02:02:50.419860Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:50.419860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xET9oLRQu8Rg4tXAYUTMxc+29gEHGEy3C+rf8BY6L4R2PElCAMZBY6jtSMvm/hLM+eVQIZ4C6yLamjFufEuYBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:50.420481Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.3354","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b37d209bdae952b96629808a3903f46c06f8d382d0748398c4ee4c8b1586d91","sha256:cd4e49c6dd92b09ec123fe467c483e458d8e988b9ebce08a23f5bf2d50114398"],"state_sha256":"0c381255bef3c5109bba36f9a80967b9c90202e532fe5f705b9e53a5e24827bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z37WOkCsj2LUq74/Wv9TNE3LzLUeG4UTxvOmCo6+8LQolaJdY6/WkeolfYyBybeTk968tCunZL4tE5bH0CHpDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T09:08:27.800052Z","bundle_sha256":"96e20b7875a3fe5911b452646c5c42d6ab460703bf2c8006b06cefe0983de401"}}