{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:PKZRF63RN6PO4PMZUAZZNQNGIX","short_pith_number":"pith:PKZRF63R","schema_version":"1.0","canonical_sha256":"7ab312fb716f9eee3d99a03396c1a645f2608f18c2d532097cf9afa5d4a4ac7c","source":{"kind":"arxiv","id":"1005.0977","version":1},"attestation_state":"computed","paper":{"title":"Stochastic backgrounds of gravitational waves from extragalactic sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Raffaella Schneider, Stefania Marassi, Valeria Ferrari","submitted_at":"2010-05-06T11:06:31Z","abstract_excerpt":"Astrophysical sources emit gravitational waves in a large variety of processes occurred since the beginning of star and galaxy  formation. These waves permeate our high redshift Universe, and form a background which is the result of the superposition of different components, each associated to a specific astrophysical process. Each component has different spectral properties and features that it is important to investigate in view of a possible, future detection. In this contribution, we will review recent theoretical predictions for backgrounds produced by extragalactic sources and discuss th"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1005.0977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-06T11:06:31Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"86eb8e3a4ab693801dd122a84e35f29f6022c38e42959d4c8a6ee627745d855b","abstract_canon_sha256":"b8d92b31fbf87b18b7f6d13a6765d596eef0f42b69ca95196698b00036cc0da0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:42.171162Z","signature_b64":"k+3VQZISs4soW4ypAImJyvmZbMmGreo0IaBXQhbikbFGfkSnZkwhJGEHJyEeJlhrwxJBfRowMgvu/Y/thRuuBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ab312fb716f9eee3d99a03396c1a645f2608f18c2d532097cf9afa5d4a4ac7c","last_reissued_at":"2026-05-18T02:07:42.170485Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:42.170485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stochastic backgrounds of gravitational waves from extragalactic sources","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Raffaella Schneider, Stefania Marassi, Valeria Ferrari","submitted_at":"2010-05-06T11:06:31Z","abstract_excerpt":"Astrophysical sources emit gravitational waves in a large variety of processes occurred since the beginning of star and galaxy  formation. These waves permeate our high redshift Universe, and form a background which is the result of the superposition of different components, each associated to a specific astrophysical process. Each component has different spectral properties and features that it is important to investigate in view of a possible, future detection. In this contribution, we will review recent theoretical predictions for backgrounds produced by extragalactic sources and discuss th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.0977","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1005.0977","created_at":"2026-05-18T02:07:42.170609+00:00"},{"alias_kind":"arxiv_version","alias_value":"1005.0977v1","created_at":"2026-05-18T02:07:42.170609+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.0977","created_at":"2026-05-18T02:07:42.170609+00:00"},{"alias_kind":"pith_short_12","alias_value":"PKZRF63RN6PO","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_16","alias_value":"PKZRF63RN6PO4PMZ","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_8","alias_value":"PKZRF63R","created_at":"2026-05-18T12:26:12.377268+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX","json":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX.json","graph_json":"https://pith.science/api/pith-number/PKZRF63RN6PO4PMZUAZZNQNGIX/graph.json","events_json":"https://pith.science/api/pith-number/PKZRF63RN6PO4PMZUAZZNQNGIX/events.json","paper":"https://pith.science/paper/PKZRF63R"},"agent_actions":{"view_html":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX","download_json":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX.json","view_paper":"https://pith.science/paper/PKZRF63R","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1005.0977&json=true","fetch_graph":"https://pith.science/api/pith-number/PKZRF63RN6PO4PMZUAZZNQNGIX/graph.json","fetch_events":"https://pith.science/api/pith-number/PKZRF63RN6PO4PMZUAZZNQNGIX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX/action/storage_attestation","attest_author":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX/action/author_attestation","sign_citation":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX/action/citation_signature","submit_replication":"https://pith.science/pith/PKZRF63RN6PO4PMZUAZZNQNGIX/action/replication_record"}},"created_at":"2026-05-18T02:07:42.170609+00:00","updated_at":"2026-05-18T02:07:42.170609+00:00"}