{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:QWSK25CKG4OMMDWZNFZHE3A34E","short_pith_number":"pith:QWSK25CK","canonical_record":{"source":{"id":"astro-ph/0701014","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-31T13:27:53Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7456e94c92cd245e554a93358a0272d87f449bad9304f58c3006660b6feb407d","abstract_canon_sha256":"2e7f2a3fa1b47c00c2748d3d4d6456790a81f4f5abbb9e69ad3ea51957eb143a"},"schema_version":"1.0"},"canonical_sha256":"85a4ad744a371cc60ed96972726c1be11d01955af7987f74efd1863b9363560c","source":{"kind":"arxiv","id":"astro-ph/0701014","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701014","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701014v1","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701014","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"pith_short_12","alias_value":"QWSK25CKG4OM","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"pith_short_16","alias_value":"QWSK25CKG4OMMDWZ","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"pith_short_8","alias_value":"QWSK25CK","created_at":"2026-07-04T15:24:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:QWSK25CKG4OMMDWZNFZHE3A34E","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0701014","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-31T13:27:53Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7456e94c92cd245e554a93358a0272d87f449bad9304f58c3006660b6feb407d","abstract_canon_sha256":"2e7f2a3fa1b47c00c2748d3d4d6456790a81f4f5abbb9e69ad3ea51957eb143a"},"schema_version":"1.0"},"canonical_sha256":"85a4ad744a371cc60ed96972726c1be11d01955af7987f74efd1863b9363560c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:24:59.598887Z","signature_b64":"yRETw6dKWp4nzbUnQLxNZxbcqHFu8RjxBHb01SAqFb7pDFOarl7t7eenNvJZZGanmHUYsl7+sx1qhGUVRZU2Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85a4ad744a371cc60ed96972726c1be11d01955af7987f74efd1863b9363560c","last_reissued_at":"2026-07-04T15:24:59.598449Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:24:59.598449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0701014","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":"2026-07-04T15:24:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FSnCfLOuAMBVEe10TlwXZzfLFFh1IJD78glfm1ivMiUz2YlozOUSLt0iJSrxXkC3WpJ62H0xRJafx4QjZEraAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:53:19.514564Z"},"content_sha256":"2f907fd5232f735da853a029bd91990ace8fe1405b4c28c352c553c32d6c6e4c","schema_version":"1.0","event_id":"sha256:2f907fd5232f735da853a029bd91990ace8fe1405b4c28c352c553c32d6c6e4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:QWSK25CKG4OMMDWZNFZHE3A34E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A stochastic background of gravitational waves from hybrid preheating","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Daniel G. Figueroa (UAM), Juan Garcia-Bellido","submitted_at":"2006-12-31T13:27:53Z","abstract_excerpt":"The process of reheating the universe after hybrid inflation is extremely violent. It proceeds through the nucleation and subsequent collision of large concentrations of energy density in bubble-like structures, which generate a significant fraction of energy in the form of gravitational waves. We study the power spectrum of the stochastic background of gravitational waves produced at reheating after hybrid inflation. We find that the amplitude could be significant for high-scale models, although the typical frequencies are well beyond what could be reached by planned gravitational wave observ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701014","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0701014/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":"2026-07-04T15:24:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8SYo4S1voTzmTJyylvDhEg7/DCDWNn3FJqN3j4i3pl8070e4tj/Ds9fhHMFasgX49bARWV7UgJwB8T6HH0spBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T03:53:19.517300Z"},"content_sha256":"727e5e2f7045b419c790f6d9b3c3c089ba5968015d8d88e29c3e92ea7abb0362","schema_version":"1.0","event_id":"sha256:727e5e2f7045b419c790f6d9b3c3c089ba5968015d8d88e29c3e92ea7abb0362"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QWSK25CKG4OMMDWZNFZHE3A34E/bundle.json","state_url":"https://pith.science/pith/QWSK25CKG4OMMDWZNFZHE3A34E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QWSK25CKG4OMMDWZNFZHE3A34E/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":"2026-08-17T03:53:19Z","links":{"resolver":"https://pith.science/pith/QWSK25CKG4OMMDWZNFZHE3A34E","bundle":"https://pith.science/pith/QWSK25CKG4OMMDWZNFZHE3A34E/bundle.json","state":"https://pith.science/pith/QWSK25CKG4OMMDWZNFZHE3A34E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QWSK25CKG4OMMDWZNFZHE3A34E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:QWSK25CKG4OMMDWZNFZHE3A34E","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":"2e7f2a3fa1b47c00c2748d3d4d6456790a81f4f5abbb9e69ad3ea51957eb143a","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-31T13:27:53Z","title_canon_sha256":"7456e94c92cd245e554a93358a0272d87f449bad9304f58c3006660b6feb407d"},"schema_version":"1.0","source":{"id":"astro-ph/0701014","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0701014","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0701014v1","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0701014","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"pith_short_12","alias_value":"QWSK25CKG4OM","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"pith_short_16","alias_value":"QWSK25CKG4OMMDWZ","created_at":"2026-07-04T15:24:59Z"},{"alias_kind":"pith_short_8","alias_value":"QWSK25CK","created_at":"2026-07-04T15:24:59Z"}],"graph_snapshots":[{"event_id":"sha256:727e5e2f7045b419c790f6d9b3c3c089ba5968015d8d88e29c3e92ea7abb0362","target":"graph","created_at":"2026-07-04T15:24:59Z","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/0701014/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The process of reheating the universe after hybrid inflation is extremely violent. It proceeds through the nucleation and subsequent collision of large concentrations of energy density in bubble-like structures, which generate a significant fraction of energy in the form of gravitational waves. We study the power spectrum of the stochastic background of gravitational waves produced at reheating after hybrid inflation. We find that the amplitude could be significant for high-scale models, although the typical frequencies are well beyond what could be reached by planned gravitational wave observ","authors_text":"Daniel G. Figueroa (UAM), Juan Garcia-Bellido","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-12-31T13:27:53Z","title":"A stochastic background of gravitational waves from hybrid preheating"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0701014","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":"sha256:2f907fd5232f735da853a029bd91990ace8fe1405b4c28c352c553c32d6c6e4c","target":"record","created_at":"2026-07-04T15:24:59Z","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":"2e7f2a3fa1b47c00c2748d3d4d6456790a81f4f5abbb9e69ad3ea51957eb143a","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-31T13:27:53Z","title_canon_sha256":"7456e94c92cd245e554a93358a0272d87f449bad9304f58c3006660b6feb407d"},"schema_version":"1.0","source":{"id":"astro-ph/0701014","kind":"arxiv","version":1}},"canonical_sha256":"85a4ad744a371cc60ed96972726c1be11d01955af7987f74efd1863b9363560c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85a4ad744a371cc60ed96972726c1be11d01955af7987f74efd1863b9363560c","first_computed_at":"2026-07-04T15:24:59.598449Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:24:59.598449Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yRETw6dKWp4nzbUnQLxNZxbcqHFu8RjxBHb01SAqFb7pDFOarl7t7eenNvJZZGanmHUYsl7+sx1qhGUVRZU2Ag==","signature_status":"signed_v1","signed_at":"2026-07-04T15:24:59.598887Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0701014","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f907fd5232f735da853a029bd91990ace8fe1405b4c28c352c553c32d6c6e4c","sha256:727e5e2f7045b419c790f6d9b3c3c089ba5968015d8d88e29c3e92ea7abb0362"],"state_sha256":"80b9e8f2a00c4a3560b901df70c690fa98e74abe7cb69fc79c66e209217df33e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X45nMA5t4/r59kXwTnlc/YpfdTHMNQ6Ny4wkjlOHrYY5shrUrO2u4w1Q961Wyo4HqnpWLekHcxL7m2Z6PaW2DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T03:53:19.529048Z","bundle_sha256":"17faa14130fe893f147b1524046698ab9bc67c18eec85a3b62ce7e80fcf87cb6"}}