{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:RGBFLU5MOOXCAT4FR65GKGAQZQ","short_pith_number":"pith:RGBFLU5M","canonical_record":{"source":{"id":"1004.4350","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-04-25T13:07:39Z","cross_cats_sorted":[],"title_canon_sha256":"97079657f0fac6dfa1181d3c84880658e80b549fcc305f33a9375aa4e7e826ae","abstract_canon_sha256":"e3bc2ee621367eb481faedceea5bc6eb5b0ae86f08f4c5e3c08d3b22db22481a"},"schema_version":"1.0"},"canonical_sha256":"898255d3ac73ae204f858fba651810cc18d8e28e5bca0e945debc1926a04b84e","source":{"kind":"arxiv","id":"1004.4350","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.4350","created_at":"2026-05-18T02:33:33Z"},{"alias_kind":"arxiv_version","alias_value":"1004.4350v1","created_at":"2026-05-18T02:33:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.4350","created_at":"2026-05-18T02:33:33Z"},{"alias_kind":"pith_short_12","alias_value":"RGBFLU5MOOXC","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RGBFLU5MOOXCAT4F","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RGBFLU5M","created_at":"2026-05-18T12:26:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:RGBFLU5MOOXCAT4FR65GKGAQZQ","target":"record","payload":{"canonical_record":{"source":{"id":"1004.4350","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-04-25T13:07:39Z","cross_cats_sorted":[],"title_canon_sha256":"97079657f0fac6dfa1181d3c84880658e80b549fcc305f33a9375aa4e7e826ae","abstract_canon_sha256":"e3bc2ee621367eb481faedceea5bc6eb5b0ae86f08f4c5e3c08d3b22db22481a"},"schema_version":"1.0"},"canonical_sha256":"898255d3ac73ae204f858fba651810cc18d8e28e5bca0e945debc1926a04b84e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:33.545664Z","signature_b64":"ILziAPord4Om+IoAzhAjJJEiybmLOKYWmrEGUiBVS6RTVuRoGq5iB3Lg3mOgZW5SkBQzmlTYxMFHLqzpZcVLCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"898255d3ac73ae204f858fba651810cc18d8e28e5bca0e945debc1926a04b84e","last_reissued_at":"2026-05-18T02:33:33.545138Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:33.545138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.4350","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":"2026-05-18T02:33:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9SRm9PP3Qy92wN7ThOOxudr48hQVWRBfsW7GGTaHTBoTDRwCf1/67rzhANlus+fbgQVHvV6HAjiT5rMelRhmBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:24:08.680885Z"},"content_sha256":"c8f3dc60d82f3cfa0ba0983b97c3d1ebbae5eea71e63e739bcaace468b979246","schema_version":"1.0","event_id":"sha256:c8f3dc60d82f3cfa0ba0983b97c3d1ebbae5eea71e63e739bcaace468b979246"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:RGBFLU5MOOXCAT4FR65GKGAQZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark Energy Interacting with Dark Matter in Classical Einstein and Loop Quantum Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Song Li, Yongge Ma","submitted_at":"2010-04-25T13:07:39Z","abstract_excerpt":"The cosmological model of dark energy interacting with cold dark matter without coupling to the baryonic matter, is studied in the background of both classical Einstein and loop quantum cosmology. We consider two types of interacting models. In the former model, the interaction is a linear combination of the densities of two dark sectors, while in the latter model, the interaction with a constant transfer rate depends only on the density of cold dark matter. It is shown that the dynamical results in loop quantum cosmology are different from those in classical Einstein cosmology for both two ki"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.4350","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":"2026-05-18T02:33:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eKG/MkqkFumaElULj3tvD3qnxjOyE3Emo6GfQPdrWbnCt4w1VqEsoLE1pn0p6aS/SQnNbvcXxtJUtxCM5je4CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:24:08.681283Z"},"content_sha256":"e9894b17e2e8092a4bb8cecda69b9aadfadfe7a61d97d00d55319697b7e04856","schema_version":"1.0","event_id":"sha256:e9894b17e2e8092a4bb8cecda69b9aadfadfe7a61d97d00d55319697b7e04856"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RGBFLU5MOOXCAT4FR65GKGAQZQ/bundle.json","state_url":"https://pith.science/pith/RGBFLU5MOOXCAT4FR65GKGAQZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RGBFLU5MOOXCAT4FR65GKGAQZQ/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":"2026-06-08T19:24:08Z","links":{"resolver":"https://pith.science/pith/RGBFLU5MOOXCAT4FR65GKGAQZQ","bundle":"https://pith.science/pith/RGBFLU5MOOXCAT4FR65GKGAQZQ/bundle.json","state":"https://pith.science/pith/RGBFLU5MOOXCAT4FR65GKGAQZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RGBFLU5MOOXCAT4FR65GKGAQZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:RGBFLU5MOOXCAT4FR65GKGAQZQ","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":"e3bc2ee621367eb481faedceea5bc6eb5b0ae86f08f4c5e3c08d3b22db22481a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-04-25T13:07:39Z","title_canon_sha256":"97079657f0fac6dfa1181d3c84880658e80b549fcc305f33a9375aa4e7e826ae"},"schema_version":"1.0","source":{"id":"1004.4350","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.4350","created_at":"2026-05-18T02:33:33Z"},{"alias_kind":"arxiv_version","alias_value":"1004.4350v1","created_at":"2026-05-18T02:33:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.4350","created_at":"2026-05-18T02:33:33Z"},{"alias_kind":"pith_short_12","alias_value":"RGBFLU5MOOXC","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_16","alias_value":"RGBFLU5MOOXCAT4F","created_at":"2026-05-18T12:26:13Z"},{"alias_kind":"pith_short_8","alias_value":"RGBFLU5M","created_at":"2026-05-18T12:26:13Z"}],"graph_snapshots":[{"event_id":"sha256:e9894b17e2e8092a4bb8cecda69b9aadfadfe7a61d97d00d55319697b7e04856","target":"graph","created_at":"2026-05-18T02:33:33Z","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":"The cosmological model of dark energy interacting with cold dark matter without coupling to the baryonic matter, is studied in the background of both classical Einstein and loop quantum cosmology. We consider two types of interacting models. In the former model, the interaction is a linear combination of the densities of two dark sectors, while in the latter model, the interaction with a constant transfer rate depends only on the density of cold dark matter. It is shown that the dynamical results in loop quantum cosmology are different from those in classical Einstein cosmology for both two ki","authors_text":"Song Li, Yongge Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-04-25T13:07:39Z","title":"Dark Energy Interacting with Dark Matter in Classical Einstein and Loop Quantum Cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.4350","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:c8f3dc60d82f3cfa0ba0983b97c3d1ebbae5eea71e63e739bcaace468b979246","target":"record","created_at":"2026-05-18T02:33:33Z","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":"e3bc2ee621367eb481faedceea5bc6eb5b0ae86f08f4c5e3c08d3b22db22481a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-04-25T13:07:39Z","title_canon_sha256":"97079657f0fac6dfa1181d3c84880658e80b549fcc305f33a9375aa4e7e826ae"},"schema_version":"1.0","source":{"id":"1004.4350","kind":"arxiv","version":1}},"canonical_sha256":"898255d3ac73ae204f858fba651810cc18d8e28e5bca0e945debc1926a04b84e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"898255d3ac73ae204f858fba651810cc18d8e28e5bca0e945debc1926a04b84e","first_computed_at":"2026-05-18T02:33:33.545138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:33.545138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ILziAPord4Om+IoAzhAjJJEiybmLOKYWmrEGUiBVS6RTVuRoGq5iB3Lg3mOgZW5SkBQzmlTYxMFHLqzpZcVLCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:33.545664Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.4350","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8f3dc60d82f3cfa0ba0983b97c3d1ebbae5eea71e63e739bcaace468b979246","sha256:e9894b17e2e8092a4bb8cecda69b9aadfadfe7a61d97d00d55319697b7e04856"],"state_sha256":"2d0472b44aab0ee6216ff5b8081ba92157feb8cb8844f6ec2dedaba02edf6852"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4daLHu3uiERD0/BUTj60N06oIhTWMmmWT7FOgntAeoxeM4OgconTN65dos3Jsy+RN1shG66Ty1qdZnGzBy34Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T19:24:08.683880Z","bundle_sha256":"cfe2dc36d7e6e8a80537d9b3b528fa2bb8ea435acf9df3a78600fcc74e72e5ac"}}