{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:W6TI6V55YQLKBLWABZPU2YGKE4","short_pith_number":"pith:W6TI6V55","canonical_record":{"source":{"id":"0907.5458","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-th","submitted_at":"2009-07-31T02:41:18Z","cross_cats_sorted":[],"title_canon_sha256":"77df07fed37da61e0b8ec655431fe8c539ae1e899fc5753ceba993f4a32921a1","abstract_canon_sha256":"a9d111eac5440ba56856744a707e610f6e9fcff4e7af85b54c054f7b185154fc"},"schema_version":"1.0"},"canonical_sha256":"b7a68f57bdc416a0aec00e5f4d60ca2717dcbdb4bd00f9f1318604727ef402f0","source":{"kind":"arxiv","id":"0907.5458","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.5458","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"arxiv_version","alias_value":"0907.5458v4","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.5458","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"pith_short_12","alias_value":"W6TI6V55YQLK","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"pith_short_16","alias_value":"W6TI6V55YQLKBLWA","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"pith_short_8","alias_value":"W6TI6V55","created_at":"2026-07-04T16:21:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:W6TI6V55YQLKBLWABZPU2YGKE4","target":"record","payload":{"canonical_record":{"source":{"id":"0907.5458","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-th","submitted_at":"2009-07-31T02:41:18Z","cross_cats_sorted":[],"title_canon_sha256":"77df07fed37da61e0b8ec655431fe8c539ae1e899fc5753ceba993f4a32921a1","abstract_canon_sha256":"a9d111eac5440ba56856744a707e610f6e9fcff4e7af85b54c054f7b185154fc"},"schema_version":"1.0"},"canonical_sha256":"b7a68f57bdc416a0aec00e5f4d60ca2717dcbdb4bd00f9f1318604727ef402f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:21:43.465436Z","signature_b64":"kz7U9nm52OxBnpeu2+24mJNIeF7WeEGt6te/dzTipRbFC8qKubdumsVGb9LJhKAJ/7D3oxpOX+C6uM+EH7lZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7a68f57bdc416a0aec00e5f4d60ca2717dcbdb4bd00f9f1318604727ef402f0","last_reissued_at":"2026-07-04T16:21:43.465059Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:21:43.465059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.5458","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":"2026-07-04T16:21:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"txDQFDYHZAw+umkHzzG8MmaHi3H1H2fSDTh6yUPZKRNRdGCIogiPbbbRXs7a+alsJFilwCOt8q+1SUrpeEetDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:20:29.072057Z"},"content_sha256":"4ab5a7e0682d7b298282ef236dcc17cc7f6dd49eb327e0961fe6b3da8c2a8052","schema_version":"1.0","event_id":"sha256:4ab5a7e0682d7b298282ef236dcc17cc7f6dd49eb327e0961fe6b3da8c2a8052"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:W6TI6V55YQLKBLWABZPU2YGKE4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interacting holographic dark energy in Brans-Dicke theory","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Ahmad Sheykhi","submitted_at":"2009-07-31T02:41:18Z","abstract_excerpt":"We study cosmological application of interacting holographic energy density in the framework of Brans-Dicke cosmology. We obtain the equation of state and the deceleration parameter of the holographic dark energy in a non-flat universe. As system's IR cutoff we choose the radius of the event horizon measured on the sphere of the horizon, defined as $L=ar(t)$. We find that the combination of Brans-Dicke field and holographic dark energy can accommodate $w_D = -1 $ crossing for the equation of state of \\textit{noninteracting} holographic dark energy. When an interaction between dark energy and d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.5458","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/0907.5458/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":"2026-07-04T16:21:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5Fo9v4gHIQN0/KPoli98wKQvmsSemk9vMEKnnnPNn21BvQ0sqDWt4EXCna0X0kE6T+t4vywlG3T5I5V4IFG5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:20:29.073231Z"},"content_sha256":"ff02d6ba855909400598e780f7830b1cc6fbe93387f73aaa2ee7e4479eaefc87","schema_version":"1.0","event_id":"sha256:ff02d6ba855909400598e780f7830b1cc6fbe93387f73aaa2ee7e4479eaefc87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W6TI6V55YQLKBLWABZPU2YGKE4/bundle.json","state_url":"https://pith.science/pith/W6TI6V55YQLKBLWABZPU2YGKE4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W6TI6V55YQLKBLWABZPU2YGKE4/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":"2026-08-10T14:20:29Z","links":{"resolver":"https://pith.science/pith/W6TI6V55YQLKBLWABZPU2YGKE4","bundle":"https://pith.science/pith/W6TI6V55YQLKBLWABZPU2YGKE4/bundle.json","state":"https://pith.science/pith/W6TI6V55YQLKBLWABZPU2YGKE4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W6TI6V55YQLKBLWABZPU2YGKE4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:W6TI6V55YQLKBLWABZPU2YGKE4","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":"a9d111eac5440ba56856744a707e610f6e9fcff4e7af85b54c054f7b185154fc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-th","submitted_at":"2009-07-31T02:41:18Z","title_canon_sha256":"77df07fed37da61e0b8ec655431fe8c539ae1e899fc5753ceba993f4a32921a1"},"schema_version":"1.0","source":{"id":"0907.5458","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.5458","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"arxiv_version","alias_value":"0907.5458v4","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.5458","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"pith_short_12","alias_value":"W6TI6V55YQLK","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"pith_short_16","alias_value":"W6TI6V55YQLKBLWA","created_at":"2026-07-04T16:21:43Z"},{"alias_kind":"pith_short_8","alias_value":"W6TI6V55","created_at":"2026-07-04T16:21:43Z"}],"graph_snapshots":[{"event_id":"sha256:ff02d6ba855909400598e780f7830b1cc6fbe93387f73aaa2ee7e4479eaefc87","target":"graph","created_at":"2026-07-04T16:21:43Z","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/0907.5458/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study cosmological application of interacting holographic energy density in the framework of Brans-Dicke cosmology. We obtain the equation of state and the deceleration parameter of the holographic dark energy in a non-flat universe. As system's IR cutoff we choose the radius of the event horizon measured on the sphere of the horizon, defined as $L=ar(t)$. We find that the combination of Brans-Dicke field and holographic dark energy can accommodate $w_D = -1 $ crossing for the equation of state of \\textit{noninteracting} holographic dark energy. When an interaction between dark energy and d","authors_text":"Ahmad Sheykhi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-th","submitted_at":"2009-07-31T02:41:18Z","title":"Interacting holographic dark energy in Brans-Dicke theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.5458","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":"sha256:4ab5a7e0682d7b298282ef236dcc17cc7f6dd49eb327e0961fe6b3da8c2a8052","target":"record","created_at":"2026-07-04T16:21:43Z","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":"a9d111eac5440ba56856744a707e610f6e9fcff4e7af85b54c054f7b185154fc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-th","submitted_at":"2009-07-31T02:41:18Z","title_canon_sha256":"77df07fed37da61e0b8ec655431fe8c539ae1e899fc5753ceba993f4a32921a1"},"schema_version":"1.0","source":{"id":"0907.5458","kind":"arxiv","version":4}},"canonical_sha256":"b7a68f57bdc416a0aec00e5f4d60ca2717dcbdb4bd00f9f1318604727ef402f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7a68f57bdc416a0aec00e5f4d60ca2717dcbdb4bd00f9f1318604727ef402f0","first_computed_at":"2026-07-04T16:21:43.465059Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:21:43.465059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kz7U9nm52OxBnpeu2+24mJNIeF7WeEGt6te/dzTipRbFC8qKubdumsVGb9LJhKAJ/7D3oxpOX+C6uM+EH7lZCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:21:43.465436Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.5458","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ab5a7e0682d7b298282ef236dcc17cc7f6dd49eb327e0961fe6b3da8c2a8052","sha256:ff02d6ba855909400598e780f7830b1cc6fbe93387f73aaa2ee7e4479eaefc87"],"state_sha256":"8efdbf894c92dc70504bc2b694dbcc873242567704eed247d856796e0117906d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TpkofB0S7OUjAaSmnbA1DMogecQrFEHxXFzKAtyPiyfuR0C9Z/FRKezXE7Kr1pK+Q3JOiAs8Z5JSlibCYJY7BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T14:20:29.079267Z","bundle_sha256":"95354902b4cc503c209dc6b64be4018050117a5c2accfa16f690eff0e8b50c16"}}