{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:5WXEJNLODOLAHFAFEMSC24LUTQ","short_pith_number":"pith:5WXEJNLO","canonical_record":{"source":{"id":"astro-ph/0111535","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-11-28T17:29:07Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"e1daec1abdc3491987d3e75e561df674936387fbb4b4ee2888cdc12c2b95531c","abstract_canon_sha256":"43865e58d8fdad64b17c9fcbe3b0ad8a0406ede75a4ebfb24c17edd51019da36"},"schema_version":"1.0"},"canonical_sha256":"edae44b56e1b9603940523242d71749c2a76aee7843884da7b50d758da516588","source":{"kind":"arxiv","id":"astro-ph/0111535","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0111535","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0111535v2","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0111535","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"pith_short_12","alias_value":"5WXEJNLODOLA","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"pith_short_16","alias_value":"5WXEJNLODOLAHFAF","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"pith_short_8","alias_value":"5WXEJNLO","created_at":"2026-07-04T16:24:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:5WXEJNLODOLAHFAFEMSC24LUTQ","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0111535","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-11-28T17:29:07Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"e1daec1abdc3491987d3e75e561df674936387fbb4b4ee2888cdc12c2b95531c","abstract_canon_sha256":"43865e58d8fdad64b17c9fcbe3b0ad8a0406ede75a4ebfb24c17edd51019da36"},"schema_version":"1.0"},"canonical_sha256":"edae44b56e1b9603940523242d71749c2a76aee7843884da7b50d758da516588","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:24:32.628394Z","signature_b64":"D5sp7tFYl6yTnRwpRCFYsRZwgz65Ko9psGAxIh3PC5kumw9gRz/ApF6WoIiBhQr9Z/e9BiaYJ86Hds6VwmssCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"edae44b56e1b9603940523242d71749c2a76aee7843884da7b50d758da516588","last_reissued_at":"2026-07-04T16:24:32.627907Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:24:32.627907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0111535","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":"2026-07-04T16:24:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hV1FlkR8PG5MYKNQX05kmtsa42vx7Y/BaEgL4Atgfdwx6S4hRjBgKi1DrUn7gEfVxkX/1NkzV/h9QWW7YrjJCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T23:10:59.142855Z"},"content_sha256":"b65d1fd534a32b226218a35c64e8154838a389d46cfa2c46d6e4e15189c6a6d6","schema_version":"1.0","event_id":"sha256:b65d1fd534a32b226218a35c64e8154838a389d46cfa2c46d6e4e15189c6a6d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:5WXEJNLODOLAHFAFEMSC24LUTQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Baryon bias and structure formation in an accelerating universe","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Domenico Tocchini-Valentini (Osservatorio Astronomico di Roma, Italy), Luca Amendola","submitted_at":"2001-11-28T17:29:07Z","abstract_excerpt":"In most models of dark energy the structure formation stops when the accelerated expansion begins. In contrast, we show that the coupling of dark energy to dark matter may induce the growth of perturbations even in the accelerated regime. In particular, we show that this occurs in the models proposed to solve the cosmic coincidence problem, in which the ratio of dark energy to dark matter is constant. Depending on the parameters, the growth may be much faster than in a standard matter-dominated era. Moreover, if the dark energy couples only to dark matter and not to baryons, as requested by th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0111535","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0111535/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":"2026-07-04T16:24:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"USRBoaCSbpUZDTxKu+FeOvdf3nN8lKgMSe3TboITJBs1EICzayjpNuhbGLKBKqjHurZ3SWwQxMFaV73XX48cDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T23:10:59.143218Z"},"content_sha256":"a2dd3e473d9d1b420e92e90ee7b9296d71327c0db23970360e18176fac424e02","schema_version":"1.0","event_id":"sha256:a2dd3e473d9d1b420e92e90ee7b9296d71327c0db23970360e18176fac424e02"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5WXEJNLODOLAHFAFEMSC24LUTQ/bundle.json","state_url":"https://pith.science/pith/5WXEJNLODOLAHFAFEMSC24LUTQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5WXEJNLODOLAHFAFEMSC24LUTQ/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":"2026-07-04T23:10:59Z","links":{"resolver":"https://pith.science/pith/5WXEJNLODOLAHFAFEMSC24LUTQ","bundle":"https://pith.science/pith/5WXEJNLODOLAHFAFEMSC24LUTQ/bundle.json","state":"https://pith.science/pith/5WXEJNLODOLAHFAFEMSC24LUTQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5WXEJNLODOLAHFAFEMSC24LUTQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:5WXEJNLODOLAHFAFEMSC24LUTQ","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":"43865e58d8fdad64b17c9fcbe3b0ad8a0406ede75a4ebfb24c17edd51019da36","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2001-11-28T17:29:07Z","title_canon_sha256":"e1daec1abdc3491987d3e75e561df674936387fbb4b4ee2888cdc12c2b95531c"},"schema_version":"1.0","source":{"id":"astro-ph/0111535","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0111535","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0111535v2","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0111535","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"pith_short_12","alias_value":"5WXEJNLODOLA","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"pith_short_16","alias_value":"5WXEJNLODOLAHFAF","created_at":"2026-07-04T16:24:32Z"},{"alias_kind":"pith_short_8","alias_value":"5WXEJNLO","created_at":"2026-07-04T16:24:32Z"}],"graph_snapshots":[{"event_id":"sha256:a2dd3e473d9d1b420e92e90ee7b9296d71327c0db23970360e18176fac424e02","target":"graph","created_at":"2026-07-04T16:24:32Z","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/astro-ph/0111535/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In most models of dark energy the structure formation stops when the accelerated expansion begins. In contrast, we show that the coupling of dark energy to dark matter may induce the growth of perturbations even in the accelerated regime. In particular, we show that this occurs in the models proposed to solve the cosmic coincidence problem, in which the ratio of dark energy to dark matter is constant. Depending on the parameters, the growth may be much faster than in a standard matter-dominated era. Moreover, if the dark energy couples only to dark matter and not to baryons, as requested by th","authors_text":"Domenico Tocchini-Valentini (Osservatorio Astronomico di Roma, Italy), Luca Amendola","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2001-11-28T17:29:07Z","title":"Baryon bias and structure formation in an accelerating universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0111535","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:b65d1fd534a32b226218a35c64e8154838a389d46cfa2c46d6e4e15189c6a6d6","target":"record","created_at":"2026-07-04T16:24:32Z","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":"43865e58d8fdad64b17c9fcbe3b0ad8a0406ede75a4ebfb24c17edd51019da36","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2001-11-28T17:29:07Z","title_canon_sha256":"e1daec1abdc3491987d3e75e561df674936387fbb4b4ee2888cdc12c2b95531c"},"schema_version":"1.0","source":{"id":"astro-ph/0111535","kind":"arxiv","version":2}},"canonical_sha256":"edae44b56e1b9603940523242d71749c2a76aee7843884da7b50d758da516588","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"edae44b56e1b9603940523242d71749c2a76aee7843884da7b50d758da516588","first_computed_at":"2026-07-04T16:24:32.627907Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:24:32.627907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D5sp7tFYl6yTnRwpRCFYsRZwgz65Ko9psGAxIh3PC5kumw9gRz/ApF6WoIiBhQr9Z/e9BiaYJ86Hds6VwmssCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:24:32.628394Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0111535","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b65d1fd534a32b226218a35c64e8154838a389d46cfa2c46d6e4e15189c6a6d6","sha256:a2dd3e473d9d1b420e92e90ee7b9296d71327c0db23970360e18176fac424e02"],"state_sha256":"a932991344f229b1277456237bdc45ba768387cbbd8cbaa35ffac710ac15b065"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ynrOYv/veCAi/acEy4xd3p2gqTYyVWN4oknQ0mzDJXBJ6USNym8i5Oj8aUGg9TAm+xg8M/3ZHS7MTFMZNfvHCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T23:10:59.145202Z","bundle_sha256":"6e3df045e813a0731c056085019692f86c437b461f86c5982fd74b5b621e51ae"}}