{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:L24MO3ZQTKBFXJMEZTR2H3LXNO","short_pith_number":"pith:L24MO3ZQ","canonical_record":{"source":{"id":"1610.01665","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-10-05T21:44:14Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"779076f33040bac891e22245f95c0285db785fcb44c5d8f4962e596ac6fe51cc","abstract_canon_sha256":"141797ff0ca5605ec09b62425c43da8dde3888b1510fc1f062795ce821f9418f"},"schema_version":"1.0"},"canonical_sha256":"5eb8c76f309a825ba584cce3a3ed776b9ae637fca359402b6ad1b5eaf22e9561","source":{"kind":"arxiv","id":"1610.01665","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.01665","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"arxiv_version","alias_value":"1610.01665v2","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01665","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"pith_short_12","alias_value":"L24MO3ZQTKBF","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"L24MO3ZQTKBFXJME","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"L24MO3ZQ","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:L24MO3ZQTKBFXJMEZTR2H3LXNO","target":"record","payload":{"canonical_record":{"source":{"id":"1610.01665","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-10-05T21:44:14Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"779076f33040bac891e22245f95c0285db785fcb44c5d8f4962e596ac6fe51cc","abstract_canon_sha256":"141797ff0ca5605ec09b62425c43da8dde3888b1510fc1f062795ce821f9418f"},"schema_version":"1.0"},"canonical_sha256":"5eb8c76f309a825ba584cce3a3ed776b9ae637fca359402b6ad1b5eaf22e9561","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:43.689675Z","signature_b64":"5FF/IhS99iiQyn9HLqADX2wNzTj+TCWh6lRQyLT3lmceDMrgkw9qp56UzJdG03c0tcOSvymKyvNJqbGjyFogBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5eb8c76f309a825ba584cce3a3ed776b9ae637fca359402b6ad1b5eaf22e9561","last_reissued_at":"2026-05-18T00:51:43.688920Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:43.688920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.01665","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:51:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zUPKxaFz5a37KWn7qEICBppTOdquG73zJrbDVVMt3T0pDv4ZRqHRPtOV0GjRuvPU8y6bLme+7of1jzMvWYWKBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T20:39:02.979478Z"},"content_sha256":"1ee7315f3eb60c4db0c1448bed8090ae13a98e385ca29a9cfea4e16e1b03727c","schema_version":"1.0","event_id":"sha256:1ee7315f3eb60c4db0c1448bed8090ae13a98e385ca29a9cfea4e16e1b03727c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:L24MO3ZQTKBFXJMEZTR2H3LXNO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CMB and matter power spectra with non-linear dark-sector interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"L. Casarini, R.F. vom Marttens, W.S. Hip\\'olito-Ricaldi, W. Zimdahl","submitted_at":"2016-10-05T21:44:14Z","abstract_excerpt":"An interaction between dark matter and dark energy, proportional to the product of their energy densities, results in a scaling behavior of the ratio of these densities with respect to the scale factor of the Robertson-Walker metric. This gives rise to a class of cosmological models which deviate from the standard model in an analytically tractable way. In particular, it becomes possible to quantify the role of potential dark-energy perturbations. We investigate the impact of this interaction on the structure formation process. Using the (modified) CAMB code we obtain the CMB spectrum as well "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01665","kind":"arxiv","version":2},"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":"2026-05-18T00:51:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+VE0QgaLEOJj3oOmbz520Cr3Eka+GJvVm4NTpkTFvS6O6tNxJYy5E1ESO/grByVkQpj52402f7LoC+q1sHJwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T20:39:02.979924Z"},"content_sha256":"c7239bd88bad6cf496bfd9d69a4658110b4aed3aad33635dbb44564f5d930916","schema_version":"1.0","event_id":"sha256:c7239bd88bad6cf496bfd9d69a4658110b4aed3aad33635dbb44564f5d930916"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L24MO3ZQTKBFXJMEZTR2H3LXNO/bundle.json","state_url":"https://pith.science/pith/L24MO3ZQTKBFXJMEZTR2H3LXNO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L24MO3ZQTKBFXJMEZTR2H3LXNO/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":"2026-05-21T20:39:02Z","links":{"resolver":"https://pith.science/pith/L24MO3ZQTKBFXJMEZTR2H3LXNO","bundle":"https://pith.science/pith/L24MO3ZQTKBFXJMEZTR2H3LXNO/bundle.json","state":"https://pith.science/pith/L24MO3ZQTKBFXJMEZTR2H3LXNO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L24MO3ZQTKBFXJMEZTR2H3LXNO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:L24MO3ZQTKBFXJMEZTR2H3LXNO","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":"141797ff0ca5605ec09b62425c43da8dde3888b1510fc1f062795ce821f9418f","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-10-05T21:44:14Z","title_canon_sha256":"779076f33040bac891e22245f95c0285db785fcb44c5d8f4962e596ac6fe51cc"},"schema_version":"1.0","source":{"id":"1610.01665","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.01665","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"arxiv_version","alias_value":"1610.01665v2","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.01665","created_at":"2026-05-18T00:51:43Z"},{"alias_kind":"pith_short_12","alias_value":"L24MO3ZQTKBF","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"L24MO3ZQTKBFXJME","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"L24MO3ZQ","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:c7239bd88bad6cf496bfd9d69a4658110b4aed3aad33635dbb44564f5d930916","target":"graph","created_at":"2026-05-18T00:51:43Z","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"},"paper":{"abstract_excerpt":"An interaction between dark matter and dark energy, proportional to the product of their energy densities, results in a scaling behavior of the ratio of these densities with respect to the scale factor of the Robertson-Walker metric. This gives rise to a class of cosmological models which deviate from the standard model in an analytically tractable way. In particular, it becomes possible to quantify the role of potential dark-energy perturbations. We investigate the impact of this interaction on the structure formation process. Using the (modified) CAMB code we obtain the CMB spectrum as well ","authors_text":"L. Casarini, R.F. vom Marttens, W.S. Hip\\'olito-Ricaldi, W. Zimdahl","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-10-05T21:44:14Z","title":"CMB and matter power spectra with non-linear dark-sector interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.01665","kind":"arxiv","version":2},"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":"sha256:1ee7315f3eb60c4db0c1448bed8090ae13a98e385ca29a9cfea4e16e1b03727c","target":"record","created_at":"2026-05-18T00:51:43Z","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":"141797ff0ca5605ec09b62425c43da8dde3888b1510fc1f062795ce821f9418f","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-10-05T21:44:14Z","title_canon_sha256":"779076f33040bac891e22245f95c0285db785fcb44c5d8f4962e596ac6fe51cc"},"schema_version":"1.0","source":{"id":"1610.01665","kind":"arxiv","version":2}},"canonical_sha256":"5eb8c76f309a825ba584cce3a3ed776b9ae637fca359402b6ad1b5eaf22e9561","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5eb8c76f309a825ba584cce3a3ed776b9ae637fca359402b6ad1b5eaf22e9561","first_computed_at":"2026-05-18T00:51:43.688920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:43.688920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5FF/IhS99iiQyn9HLqADX2wNzTj+TCWh6lRQyLT3lmceDMrgkw9qp56UzJdG03c0tcOSvymKyvNJqbGjyFogBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:43.689675Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.01665","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ee7315f3eb60c4db0c1448bed8090ae13a98e385ca29a9cfea4e16e1b03727c","sha256:c7239bd88bad6cf496bfd9d69a4658110b4aed3aad33635dbb44564f5d930916"],"state_sha256":"004e3d9b22a24c336079e7a5fbe6444b5f8b051bd0cc52621a62335ae805a65a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qZhLX4pM8suR0zxvQ4hQUSK0EYQ3x2QAT/FAoIQIv9Wqv+cRmDZyWlaI3CTYkwBx1LMMxE+RMZn0E4TdySrgDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T20:39:02.983485Z","bundle_sha256":"556924e41dc8d059a4cc662648cfabfd99a54e5fc7104bc9983e7107cf23bb4b"}}