{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1993:TQ3MQQSURXCOABD6P73UA26MQF","short_pith_number":"pith:TQ3MQQSU","canonical_record":{"source":{"id":"gr-qc/9303023","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1993-03-19T15:01:00Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"95769a3c21613c36d6a3c8794ba3cd33a600891d2ccd3f65b06c1185858e877e","abstract_canon_sha256":"503fdd9b7aeafe22c14ec0b0df3a641bf5f6d1e5ae78df73789ad6ac64dbc00a"},"schema_version":"1.0"},"canonical_sha256":"9c36c842548dc4e0047e7ff7406bcc814a7c0b74c167b1e62935d8c758da7c9e","source":{"kind":"arxiv","id":"gr-qc/9303023","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9303023","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9303023v1","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9303023","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"pith_short_12","alias_value":"TQ3MQQSURXCO","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"pith_short_16","alias_value":"TQ3MQQSURXCOABD6","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"pith_short_8","alias_value":"TQ3MQQSU","created_at":"2026-07-04T15:55:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1993:TQ3MQQSURXCOABD6P73UA26MQF","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/9303023","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1993-03-19T15:01:00Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"95769a3c21613c36d6a3c8794ba3cd33a600891d2ccd3f65b06c1185858e877e","abstract_canon_sha256":"503fdd9b7aeafe22c14ec0b0df3a641bf5f6d1e5ae78df73789ad6ac64dbc00a"},"schema_version":"1.0"},"canonical_sha256":"9c36c842548dc4e0047e7ff7406bcc814a7c0b74c167b1e62935d8c758da7c9e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:55:38.076898Z","signature_b64":"0Mx3uh7P/sgEaWjC3sY3c6UXXe4euZc0OtlDRfs+AbWQ4EVHEy4bcFCpUIvVFT87aPXOZdZxwM5+f3+2FqIUDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c36c842548dc4e0047e7ff7406bcc814a7c0b74c167b1e62935d8c758da7c9e","last_reissued_at":"2026-07-04T15:55:38.076496Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:55:38.076496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/9303023","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":"2026-07-04T15:55:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZqN/iNUs865v8KDd7ezVPdigL7mEX2lo/vwWvu+6gBbPulyQQxs8MT3k9tm6fXRAdC3aUqgS6olSIwMPoC9WBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T02:58:31.071820Z"},"content_sha256":"e308f7c24a5035bca23eeb68eb3c8f6b9a298fc008bcf696a76de2a924bbfb80","schema_version":"1.0","event_id":"sha256:e308f7c24a5035bca23eeb68eb3c8f6b9a298fc008bcf696a76de2a924bbfb80"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1993:TQ3MQQSURXCOABD6P73UA26MQF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inflationary Attractors and Perturbation Spectra in Generally Coupled Gravity","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"gr-qc","authors_text":"Diego Bellisai, Franco Occhionero, Luca Amendola, Rome Astronomical Observatory","submitted_at":"1993-03-19T15:01:00Z","abstract_excerpt":"A generic outcome of theories with scalar-tensor coupling is the existence of inflationary attractors, either power-law or de Sitter. The fluctuations arising during this phase are Gaussian and their spectrum depends on the wavenumber $k$ according to the power-law $k^{1/(1-p)}$, where $p$ is the inflationary power-law exponent. We investigate to which extent these properties depend on the coupling function and on the potential. We find the class of models in which viable attractors exist. Within this class, we find that the cosmic expansion and the scaling of the fluctuation spectrum are inde"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9303023","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/gr-qc/9303023/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":"2026-07-04T15:55:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+7igcYBnHmyLUBqe1bInz1cBCMwa83Rm66M+7B87yfQb3pTFf3uiW9RR0q1fJUeG2BBFOOwMDXryoabso/SyDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T02:58:31.072190Z"},"content_sha256":"e7fb8dc72763a38c030335c9f1d5b9917fed2ac972e495fd12b50b324cff8a1c","schema_version":"1.0","event_id":"sha256:e7fb8dc72763a38c030335c9f1d5b9917fed2ac972e495fd12b50b324cff8a1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TQ3MQQSURXCOABD6P73UA26MQF/bundle.json","state_url":"https://pith.science/pith/TQ3MQQSURXCOABD6P73UA26MQF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TQ3MQQSURXCOABD6P73UA26MQF/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":"2026-07-05T02:58:31Z","links":{"resolver":"https://pith.science/pith/TQ3MQQSURXCOABD6P73UA26MQF","bundle":"https://pith.science/pith/TQ3MQQSURXCOABD6P73UA26MQF/bundle.json","state":"https://pith.science/pith/TQ3MQQSURXCOABD6P73UA26MQF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TQ3MQQSURXCOABD6P73UA26MQF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:TQ3MQQSURXCOABD6P73UA26MQF","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":"503fdd9b7aeafe22c14ec0b0df3a641bf5f6d1e5ae78df73789ad6ac64dbc00a","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"1993-03-19T15:01:00Z","title_canon_sha256":"95769a3c21613c36d6a3c8794ba3cd33a600891d2ccd3f65b06c1185858e877e"},"schema_version":"1.0","source":{"id":"gr-qc/9303023","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/9303023","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9303023v1","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9303023","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"pith_short_12","alias_value":"TQ3MQQSURXCO","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"pith_short_16","alias_value":"TQ3MQQSURXCOABD6","created_at":"2026-07-04T15:55:38Z"},{"alias_kind":"pith_short_8","alias_value":"TQ3MQQSU","created_at":"2026-07-04T15:55:38Z"}],"graph_snapshots":[{"event_id":"sha256:e7fb8dc72763a38c030335c9f1d5b9917fed2ac972e495fd12b50b324cff8a1c","target":"graph","created_at":"2026-07-04T15:55:38Z","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/gr-qc/9303023/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A generic outcome of theories with scalar-tensor coupling is the existence of inflationary attractors, either power-law or de Sitter. The fluctuations arising during this phase are Gaussian and their spectrum depends on the wavenumber $k$ according to the power-law $k^{1/(1-p)}$, where $p$ is the inflationary power-law exponent. We investigate to which extent these properties depend on the coupling function and on the potential. We find the class of models in which viable attractors exist. Within this class, we find that the cosmic expansion and the scaling of the fluctuation spectrum are inde","authors_text":"Diego Bellisai, Franco Occhionero, Luca Amendola, Rome Astronomical Observatory","cross_cats":["astro-ph"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"1993-03-19T15:01:00Z","title":"Inflationary Attractors and Perturbation Spectra in Generally Coupled Gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9303023","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:e308f7c24a5035bca23eeb68eb3c8f6b9a298fc008bcf696a76de2a924bbfb80","target":"record","created_at":"2026-07-04T15:55:38Z","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":"503fdd9b7aeafe22c14ec0b0df3a641bf5f6d1e5ae78df73789ad6ac64dbc00a","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"1993-03-19T15:01:00Z","title_canon_sha256":"95769a3c21613c36d6a3c8794ba3cd33a600891d2ccd3f65b06c1185858e877e"},"schema_version":"1.0","source":{"id":"gr-qc/9303023","kind":"arxiv","version":1}},"canonical_sha256":"9c36c842548dc4e0047e7ff7406bcc814a7c0b74c167b1e62935d8c758da7c9e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c36c842548dc4e0047e7ff7406bcc814a7c0b74c167b1e62935d8c758da7c9e","first_computed_at":"2026-07-04T15:55:38.076496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:55:38.076496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Mx3uh7P/sgEaWjC3sY3c6UXXe4euZc0OtlDRfs+AbWQ4EVHEy4bcFCpUIvVFT87aPXOZdZxwM5+f3+2FqIUDg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:55:38.076898Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/9303023","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e308f7c24a5035bca23eeb68eb3c8f6b9a298fc008bcf696a76de2a924bbfb80","sha256:e7fb8dc72763a38c030335c9f1d5b9917fed2ac972e495fd12b50b324cff8a1c"],"state_sha256":"0a0371c5952b4fd73bce82b41d58db4802b2e50f73a93a8ed8c2a746eeb5abda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YQLwz4wd2p3IbiqcnGbZfuLi3OTsA1zie+cCDDWvVcbagmRCqCDh0Gjh9eRPfztzsZTG62afY0Lg0RRvg0Q9Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T02:58:31.074074Z","bundle_sha256":"fddc2d99d5d68a731624b8e9337ba615ef368de6d8141817c7334694de147cba"}}