{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:4JJO6LA7WFIAH2AHRPCLTUJ7WW","short_pith_number":"pith:4JJO6LA7","canonical_record":{"source":{"id":"astro-ph/0504191","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-07T20:42:35Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"3ef3c1223864b618135cc61bb7c162b6ba1f70b7ae397faec3c87e9623b71d28","abstract_canon_sha256":"57ddaeedd0acdf8ae2fe50bd085af715bb1cd76617f63d3fefbd29def7b03792"},"schema_version":"1.0"},"canonical_sha256":"e252ef2c1fb15003e8078bc4b9d13fb5bd3f4941fd7273b4d47ae2986b5adec8","source":{"kind":"arxiv","id":"astro-ph/0504191","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0504191","created_at":"2026-05-18T04:22:20Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0504191v2","created_at":"2026-05-18T04:22:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0504191","created_at":"2026-05-18T04:22:20Z"},{"alias_kind":"pith_short_12","alias_value":"4JJO6LA7WFIA","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"4JJO6LA7WFIAH2AH","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"4JJO6LA7","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:4JJO6LA7WFIAH2AHRPCLTUJ7WW","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0504191","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-07T20:42:35Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"3ef3c1223864b618135cc61bb7c162b6ba1f70b7ae397faec3c87e9623b71d28","abstract_canon_sha256":"57ddaeedd0acdf8ae2fe50bd085af715bb1cd76617f63d3fefbd29def7b03792"},"schema_version":"1.0"},"canonical_sha256":"e252ef2c1fb15003e8078bc4b9d13fb5bd3f4941fd7273b4d47ae2986b5adec8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:20.748660Z","signature_b64":"Te/Uio5YP16QmU+kIcJNy74Lo1YOILJ/XCTy1c9vH+eNjWjCXSce5nPdHapKSXkl6cUyTrTjRrZwI/pa1tzqBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e252ef2c1fb15003e8078bc4b9d13fb5bd3f4941fd7273b4d47ae2986b5adec8","last_reissued_at":"2026-05-18T04:22:20.748077Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:20.748077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0504191","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":"2026-05-18T04:22:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G2gaXgruvotaQrs7M31dOJMKSEpUWI7n4Y/06gvRp8FW2v68CQZLIyWTPF/UNn3oERDqfgHApVQH+i8ShmWIBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T13:59:00.849160Z"},"content_sha256":"6b2fe6ea53a35d0f3ad0cde39b234f2af39965a9884217c1c6e963168246a4b1","schema_version":"1.0","event_id":"sha256:6b2fe6ea53a35d0f3ad0cde39b234f2af39965a9884217c1c6e963168246a4b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:4JJO6LA7WFIAH2AHRPCLTUJ7WW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Simple Model for Quintessential Inflation","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"J. A. Frieman (Fermilab & U. of Chicago), R. Rosenfeld (IFT-Unesp)","submitted_at":"2005-04-07T20:42:35Z","abstract_excerpt":"We describe a simple toy model for quintessential inflation where a complex scalar field described by a lagrangian with a Peccei-Quinn U(1) symmetry spontaneously broken at a high energy scale and explicitly broken by instanton effects at a much lower energy can account for both the early inflationary phase and the recent accelerated expansion of the Universe. The real part of the complex field plays the role of the inflaton whereas the imaginary part, the \"axion\", is the quintessence field."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0504191","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":""},"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":"2026-05-18T04:22:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kWSGzCE94BZiecVv4jX+kPOQwNoNK8+BWwSLl9V2opp7D5njqZrwMgg5ph3LQcMXlgvwZY+zYAy0ACQPm1Q8CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T13:59:00.849948Z"},"content_sha256":"1a9c27e4f651f0572fbb24878c8efdb039e444b3aef37b8497754a0e705662aa","schema_version":"1.0","event_id":"sha256:1a9c27e4f651f0572fbb24878c8efdb039e444b3aef37b8497754a0e705662aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4JJO6LA7WFIAH2AHRPCLTUJ7WW/bundle.json","state_url":"https://pith.science/pith/4JJO6LA7WFIAH2AHRPCLTUJ7WW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4JJO6LA7WFIAH2AHRPCLTUJ7WW/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":"2026-08-12T13:59:00Z","links":{"resolver":"https://pith.science/pith/4JJO6LA7WFIAH2AHRPCLTUJ7WW","bundle":"https://pith.science/pith/4JJO6LA7WFIAH2AHRPCLTUJ7WW/bundle.json","state":"https://pith.science/pith/4JJO6LA7WFIAH2AHRPCLTUJ7WW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4JJO6LA7WFIAH2AHRPCLTUJ7WW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:4JJO6LA7WFIAH2AHRPCLTUJ7WW","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":"57ddaeedd0acdf8ae2fe50bd085af715bb1cd76617f63d3fefbd29def7b03792","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-07T20:42:35Z","title_canon_sha256":"3ef3c1223864b618135cc61bb7c162b6ba1f70b7ae397faec3c87e9623b71d28"},"schema_version":"1.0","source":{"id":"astro-ph/0504191","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0504191","created_at":"2026-05-18T04:22:20Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0504191v2","created_at":"2026-05-18T04:22:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0504191","created_at":"2026-05-18T04:22:20Z"},{"alias_kind":"pith_short_12","alias_value":"4JJO6LA7WFIA","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"4JJO6LA7WFIAH2AH","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"4JJO6LA7","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:1a9c27e4f651f0572fbb24878c8efdb039e444b3aef37b8497754a0e705662aa","target":"graph","created_at":"2026-05-18T04:22:20Z","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 describe a simple toy model for quintessential inflation where a complex scalar field described by a lagrangian with a Peccei-Quinn U(1) symmetry spontaneously broken at a high energy scale and explicitly broken by instanton effects at a much lower energy can account for both the early inflationary phase and the recent accelerated expansion of the Universe. The real part of the complex field plays the role of the inflaton whereas the imaginary part, the \"axion\", is the quintessence field.","authors_text":"J. A. Frieman (Fermilab & U. of Chicago), R. Rosenfeld (IFT-Unesp)","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-04-07T20:42:35Z","title":"A Simple Model for Quintessential Inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0504191","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":"sha256:6b2fe6ea53a35d0f3ad0cde39b234f2af39965a9884217c1c6e963168246a4b1","target":"record","created_at":"2026-05-18T04:22:20Z","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":"57ddaeedd0acdf8ae2fe50bd085af715bb1cd76617f63d3fefbd29def7b03792","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-07T20:42:35Z","title_canon_sha256":"3ef3c1223864b618135cc61bb7c162b6ba1f70b7ae397faec3c87e9623b71d28"},"schema_version":"1.0","source":{"id":"astro-ph/0504191","kind":"arxiv","version":2}},"canonical_sha256":"e252ef2c1fb15003e8078bc4b9d13fb5bd3f4941fd7273b4d47ae2986b5adec8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e252ef2c1fb15003e8078bc4b9d13fb5bd3f4941fd7273b4d47ae2986b5adec8","first_computed_at":"2026-05-18T04:22:20.748077Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:22:20.748077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Te/Uio5YP16QmU+kIcJNy74Lo1YOILJ/XCTy1c9vH+eNjWjCXSce5nPdHapKSXkl6cUyTrTjRrZwI/pa1tzqBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:22:20.748660Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0504191","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b2fe6ea53a35d0f3ad0cde39b234f2af39965a9884217c1c6e963168246a4b1","sha256:1a9c27e4f651f0572fbb24878c8efdb039e444b3aef37b8497754a0e705662aa"],"state_sha256":"d1a57b4d0b7e3150cd1f50ba1912c4091247e326992ab875a676ab187ec3066f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IEjhLxNGKRlAEHC6A6RQtU8Cp9HGJ+U/T39AILEV0XvH6lqze80YDwDivdDs73v3wV8ggSKPIwX+Osza8rxxCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T13:59:00.862026Z","bundle_sha256":"6a44bff18becc0f2e66068c517fd07cf151d7338272ceaaebc2d2f5287093936"}}