{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:FSBOPAUR3BYJK6IBI67FA23F3H","short_pith_number":"pith:FSBOPAUR","canonical_record":{"source":{"id":"1109.1047","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-06T03:34:01Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"40b633b0715a1e4d7e9d733fdfeefab3bba30df51fd80145d8515be4237b4c37","abstract_canon_sha256":"1316f166274f4dcd26f3923ed5bc1b1a7ebd6cbed82d26734c336bea9e144fd2"},"schema_version":"1.0"},"canonical_sha256":"2c82e78291d87095790147be506b65d9ce1b22a5848b1f8e6d63985195bc5a12","source":{"kind":"arxiv","id":"1109.1047","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1047","created_at":"2026-05-18T04:08:33Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1047v2","created_at":"2026-05-18T04:08:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1047","created_at":"2026-05-18T04:08:33Z"},{"alias_kind":"pith_short_12","alias_value":"FSBOPAUR3BYJ","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FSBOPAUR3BYJK6IB","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FSBOPAUR","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:FSBOPAUR3BYJK6IBI67FA23F3H","target":"record","payload":{"canonical_record":{"source":{"id":"1109.1047","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-06T03:34:01Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"40b633b0715a1e4d7e9d733fdfeefab3bba30df51fd80145d8515be4237b4c37","abstract_canon_sha256":"1316f166274f4dcd26f3923ed5bc1b1a7ebd6cbed82d26734c336bea9e144fd2"},"schema_version":"1.0"},"canonical_sha256":"2c82e78291d87095790147be506b65d9ce1b22a5848b1f8e6d63985195bc5a12","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:08:33.315654Z","signature_b64":"jMygC0A89Hl7xWK/L+pj2f+l4zFN3O2HoSkeX2URw/rLk3jJ/a7VttW6tLfZuY63UvQJoP9eiwv1BaBe0pvyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c82e78291d87095790147be506b65d9ce1b22a5848b1f8e6d63985195bc5a12","last_reissued_at":"2026-05-18T04:08:33.315000Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:08:33.315000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.1047","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":"2026-05-18T04:08:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qxbxRYueOdo18jTWbQX8P/pLcOiKURsbQcGXzLo/nrlm58wotA7xzolzPrjSkau4FG+ymrpgIgx9EwXhPQPTCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:25:03.323384Z"},"content_sha256":"57dfcbe7064e8dbb13e0992e9d209628ca7cbef34aed126116c68f85bd54b2a7","schema_version":"1.0","event_id":"sha256:57dfcbe7064e8dbb13e0992e9d209628ca7cbef34aed126116c68f85bd54b2a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:FSBOPAUR3BYJK6IBI67FA23F3H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"G-Bounce","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"hep-th","authors_text":"Alexander Vikman (CERN), Damien A. Easson (Arizona State U.), Ignacy Sawicki (Heidelberg U.)","submitted_at":"2011-09-06T03:34:01Z","abstract_excerpt":"We present a wide class of models which realise a bounce in a spatially flat Friedmann universe in standard General Relativity. The key ingredient of the theories we consider is a noncanonical, minimally coupled scalar field belonging to the class of theories with Kinetic Gravity Braiding / Galileon-like self-couplings. In these models, the universe smoothly evolves from contraction to expansion, suffering neither from ghosts nor gradient instabilities around the turning point. The end-point of the evolution can be a standard radiation-domination era or an inflationary phase. We formulate nece"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1047","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":"2026-05-18T04:08:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DLmZ3HnFJnSqVBBHkk0BNXgZXzAlwfkQT88aoqa4VGbVie4f+02CqbC6wo79ikkXGEMUtpiApKT7XHS7ux4MAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:25:03.323744Z"},"content_sha256":"3f0067d78a6af4923dc5eeb910b1d0f3a54f2fdd03d3304e3e938d2e98bd009d","schema_version":"1.0","event_id":"sha256:3f0067d78a6af4923dc5eeb910b1d0f3a54f2fdd03d3304e3e938d2e98bd009d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FSBOPAUR3BYJK6IBI67FA23F3H/bundle.json","state_url":"https://pith.science/pith/FSBOPAUR3BYJK6IBI67FA23F3H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FSBOPAUR3BYJK6IBI67FA23F3H/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":"2026-05-31T00:25:03Z","links":{"resolver":"https://pith.science/pith/FSBOPAUR3BYJK6IBI67FA23F3H","bundle":"https://pith.science/pith/FSBOPAUR3BYJK6IBI67FA23F3H/bundle.json","state":"https://pith.science/pith/FSBOPAUR3BYJK6IBI67FA23F3H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FSBOPAUR3BYJK6IBI67FA23F3H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:FSBOPAUR3BYJK6IBI67FA23F3H","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":"1316f166274f4dcd26f3923ed5bc1b1a7ebd6cbed82d26734c336bea9e144fd2","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-06T03:34:01Z","title_canon_sha256":"40b633b0715a1e4d7e9d733fdfeefab3bba30df51fd80145d8515be4237b4c37"},"schema_version":"1.0","source":{"id":"1109.1047","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1047","created_at":"2026-05-18T04:08:33Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1047v2","created_at":"2026-05-18T04:08:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1047","created_at":"2026-05-18T04:08:33Z"},{"alias_kind":"pith_short_12","alias_value":"FSBOPAUR3BYJ","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FSBOPAUR3BYJK6IB","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FSBOPAUR","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:3f0067d78a6af4923dc5eeb910b1d0f3a54f2fdd03d3304e3e938d2e98bd009d","target":"graph","created_at":"2026-05-18T04:08:33Z","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 present a wide class of models which realise a bounce in a spatially flat Friedmann universe in standard General Relativity. The key ingredient of the theories we consider is a noncanonical, minimally coupled scalar field belonging to the class of theories with Kinetic Gravity Braiding / Galileon-like self-couplings. In these models, the universe smoothly evolves from contraction to expansion, suffering neither from ghosts nor gradient instabilities around the turning point. The end-point of the evolution can be a standard radiation-domination era or an inflationary phase. We formulate nece","authors_text":"Alexander Vikman (CERN), Damien A. Easson (Arizona State U.), Ignacy Sawicki (Heidelberg U.)","cross_cats":["astro-ph.CO","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-06T03:34:01Z","title":"G-Bounce"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1047","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":"sha256:57dfcbe7064e8dbb13e0992e9d209628ca7cbef34aed126116c68f85bd54b2a7","target":"record","created_at":"2026-05-18T04:08:33Z","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":"1316f166274f4dcd26f3923ed5bc1b1a7ebd6cbed82d26734c336bea9e144fd2","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-09-06T03:34:01Z","title_canon_sha256":"40b633b0715a1e4d7e9d733fdfeefab3bba30df51fd80145d8515be4237b4c37"},"schema_version":"1.0","source":{"id":"1109.1047","kind":"arxiv","version":2}},"canonical_sha256":"2c82e78291d87095790147be506b65d9ce1b22a5848b1f8e6d63985195bc5a12","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c82e78291d87095790147be506b65d9ce1b22a5848b1f8e6d63985195bc5a12","first_computed_at":"2026-05-18T04:08:33.315000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:08:33.315000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jMygC0A89Hl7xWK/L+pj2f+l4zFN3O2HoSkeX2URw/rLk3jJ/a7VttW6tLfZuY63UvQJoP9eiwv1BaBe0pvyAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:08:33.315654Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.1047","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57dfcbe7064e8dbb13e0992e9d209628ca7cbef34aed126116c68f85bd54b2a7","sha256:3f0067d78a6af4923dc5eeb910b1d0f3a54f2fdd03d3304e3e938d2e98bd009d"],"state_sha256":"e4bf4dd76ee91ac4691a076cd56ce0476f6436d6585dea5e0845718132bf3e3a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/2VMlRufj4gCO5e/6eX9pZ57p2Krg8/9ndcnRAe6P0L27JP1W40CmejzhnyfzZD+fqvg7lEvuOugjbqiCxH2Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:25:03.326598Z","bundle_sha256":"e7f0ec9d24d1444b8c4ca664d65551c963c128fefa04fea978c484409989ab9c"}}