{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:APM6BCLGW6RQXWQI3MDZ4FC2PI","short_pith_number":"pith:APM6BCLG","canonical_record":{"source":{"id":"1101.1026","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-05T16:56:56Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"acdf16f07b60aad842243a0485c1a2d760a45130ff9fee25dedafb6d444edc25","abstract_canon_sha256":"7aea1588a054e059458073570bfd7e59296170b80b1b4fd2187a8cdfcbfe749e"},"schema_version":"1.0"},"canonical_sha256":"03d9e08966b7a30bda08db079e145a7a3b9d2c54073e6ee0ee7643c3053e70a0","source":{"kind":"arxiv","id":"1101.1026","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.1026","created_at":"2026-05-18T02:23:05Z"},{"alias_kind":"arxiv_version","alias_value":"1101.1026v3","created_at":"2026-05-18T02:23:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1026","created_at":"2026-05-18T02:23:05Z"},{"alias_kind":"pith_short_12","alias_value":"APM6BCLGW6RQ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"APM6BCLGW6RQXWQI","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"APM6BCLG","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:APM6BCLGW6RQXWQI3MDZ4FC2PI","target":"record","payload":{"canonical_record":{"source":{"id":"1101.1026","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-05T16:56:56Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"acdf16f07b60aad842243a0485c1a2d760a45130ff9fee25dedafb6d444edc25","abstract_canon_sha256":"7aea1588a054e059458073570bfd7e59296170b80b1b4fd2187a8cdfcbfe749e"},"schema_version":"1.0"},"canonical_sha256":"03d9e08966b7a30bda08db079e145a7a3b9d2c54073e6ee0ee7643c3053e70a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:23:05.317248Z","signature_b64":"7+sEoC3fK0hfWlWLAguiDx1cwZbGb9vsvqBab2QX8hpP3K3Ph/P5RQ3+Iv9J9Vm0L9dxT/sDg4IR3n719LKfDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03d9e08966b7a30bda08db079e145a7a3b9d2c54073e6ee0ee7643c3053e70a0","last_reissued_at":"2026-05-18T02:23:05.316843Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:23:05.316843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.1026","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:23:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"27AMYUzaKamiGYgBdYTf4fPwx6j/S1EN46Vg2h2FJOOnuodOLoDCw7zyo7VyfyTqPd5X0C+HykQ+jAXh1bKHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:41:49.940418Z"},"content_sha256":"420b3a37f82b419de1561833e07fbd91d33ee7c84dda57eb95246f8e6cb7bc1c","schema_version":"1.0","event_id":"sha256:420b3a37f82b419de1561833e07fbd91d33ee7c84dda57eb95246f8e6cb7bc1c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:APM6BCLGW6RQXWQI3MDZ4FC2PI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological structure formation with clustering quintessence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Emiliano Sefusatti, Filippo Vernizzi","submitted_at":"2011-01-05T16:56:56Z","abstract_excerpt":"We study large-scale structure formation in the presence of a quintessence component with zero speed of sound in the framework of Eulerian Perturbation Theory. Due to the absence of pressure gradients, quintessence and dark matter are comoving and can be studied as a unique fluid in terms of the total energy density contrast and the common velocity. In this description the clustering of quintessence enhances the linear term proportional to the velocity divergence in the continuity equation by a factor (1+w) Omega_Q / Omega_m. This is responsible for a rapid evolution of the growth rate at low "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1026","kind":"arxiv","version":3},"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":"2026-05-18T02:23:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IkPKcX6oykX215WaXbN7PDgG6jx4gFobqucGigcY8If3w7lZJ1w3H6ZlInRyoAV9JLoIpoH3gZxfbbSHD+L1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T21:41:49.940786Z"},"content_sha256":"2f7e6688ad3f325c1d809fea637aa190d18fb6289c2d5500cc3eeda4a40c9355","schema_version":"1.0","event_id":"sha256:2f7e6688ad3f325c1d809fea637aa190d18fb6289c2d5500cc3eeda4a40c9355"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/APM6BCLGW6RQXWQI3MDZ4FC2PI/bundle.json","state_url":"https://pith.science/pith/APM6BCLGW6RQXWQI3MDZ4FC2PI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/APM6BCLGW6RQXWQI3MDZ4FC2PI/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":"2026-06-11T21:41:49Z","links":{"resolver":"https://pith.science/pith/APM6BCLGW6RQXWQI3MDZ4FC2PI","bundle":"https://pith.science/pith/APM6BCLGW6RQXWQI3MDZ4FC2PI/bundle.json","state":"https://pith.science/pith/APM6BCLGW6RQXWQI3MDZ4FC2PI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/APM6BCLGW6RQXWQI3MDZ4FC2PI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:APM6BCLGW6RQXWQI3MDZ4FC2PI","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":"7aea1588a054e059458073570bfd7e59296170b80b1b4fd2187a8cdfcbfe749e","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-05T16:56:56Z","title_canon_sha256":"acdf16f07b60aad842243a0485c1a2d760a45130ff9fee25dedafb6d444edc25"},"schema_version":"1.0","source":{"id":"1101.1026","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.1026","created_at":"2026-05-18T02:23:05Z"},{"alias_kind":"arxiv_version","alias_value":"1101.1026v3","created_at":"2026-05-18T02:23:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.1026","created_at":"2026-05-18T02:23:05Z"},{"alias_kind":"pith_short_12","alias_value":"APM6BCLGW6RQ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"APM6BCLGW6RQXWQI","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"APM6BCLG","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:2f7e6688ad3f325c1d809fea637aa190d18fb6289c2d5500cc3eeda4a40c9355","target":"graph","created_at":"2026-05-18T02:23:05Z","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":"We study large-scale structure formation in the presence of a quintessence component with zero speed of sound in the framework of Eulerian Perturbation Theory. Due to the absence of pressure gradients, quintessence and dark matter are comoving and can be studied as a unique fluid in terms of the total energy density contrast and the common velocity. In this description the clustering of quintessence enhances the linear term proportional to the velocity divergence in the continuity equation by a factor (1+w) Omega_Q / Omega_m. This is responsible for a rapid evolution of the growth rate at low ","authors_text":"Emiliano Sefusatti, Filippo Vernizzi","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-05T16:56:56Z","title":"Cosmological structure formation with clustering quintessence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.1026","kind":"arxiv","version":3},"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":"sha256:420b3a37f82b419de1561833e07fbd91d33ee7c84dda57eb95246f8e6cb7bc1c","target":"record","created_at":"2026-05-18T02:23:05Z","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":"7aea1588a054e059458073570bfd7e59296170b80b1b4fd2187a8cdfcbfe749e","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-05T16:56:56Z","title_canon_sha256":"acdf16f07b60aad842243a0485c1a2d760a45130ff9fee25dedafb6d444edc25"},"schema_version":"1.0","source":{"id":"1101.1026","kind":"arxiv","version":3}},"canonical_sha256":"03d9e08966b7a30bda08db079e145a7a3b9d2c54073e6ee0ee7643c3053e70a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03d9e08966b7a30bda08db079e145a7a3b9d2c54073e6ee0ee7643c3053e70a0","first_computed_at":"2026-05-18T02:23:05.316843Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:23:05.316843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7+sEoC3fK0hfWlWLAguiDx1cwZbGb9vsvqBab2QX8hpP3K3Ph/P5RQ3+Iv9J9Vm0L9dxT/sDg4IR3n719LKfDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:23:05.317248Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.1026","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:420b3a37f82b419de1561833e07fbd91d33ee7c84dda57eb95246f8e6cb7bc1c","sha256:2f7e6688ad3f325c1d809fea637aa190d18fb6289c2d5500cc3eeda4a40c9355"],"state_sha256":"e391216b7615db6c0c9be0269877ec476e7dadb4d4a0e93b3de5e4caac3e0291"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"83K3dHwUuauGDBmmH1OUA4ro+s2HnGlgzpA9MAHdWnZ1R0ygdQ3nteNLZb82b++sJrzcrb17wSzYnvti+L4mCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T21:41:49.944230Z","bundle_sha256":"f5b2221f357f290e4b70805973d610e7b95a73489cab990b524496f05bca829a"}}