{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IULMWRAANCDCC77FU65B4M4AQJ","short_pith_number":"pith:IULMWRAA","canonical_record":{"source":{"id":"1409.3395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-09-11T11:24:40Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"56dc8e0e6e7200f183fe634e81ffc1206e808c73ce2a0d1d5d08b6887cd3faf7","abstract_canon_sha256":"00bb3d33d1f40c973b90b6f5872b5f72c85f45c53756fd7ff1bbec209d74bca1"},"schema_version":"1.0"},"canonical_sha256":"4516cb44006886217fe5a7ba1e3380826e175da792e228933314249c42815ac1","source":{"kind":"arxiv","id":"1409.3395","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.3395","created_at":"2026-05-18T02:43:01Z"},{"alias_kind":"arxiv_version","alias_value":"1409.3395v1","created_at":"2026-05-18T02:43:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3395","created_at":"2026-05-18T02:43:01Z"},{"alias_kind":"pith_short_12","alias_value":"IULMWRAANCDC","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IULMWRAANCDCC77F","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IULMWRAA","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IULMWRAANCDCC77FU65B4M4AQJ","target":"record","payload":{"canonical_record":{"source":{"id":"1409.3395","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-09-11T11:24:40Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"56dc8e0e6e7200f183fe634e81ffc1206e808c73ce2a0d1d5d08b6887cd3faf7","abstract_canon_sha256":"00bb3d33d1f40c973b90b6f5872b5f72c85f45c53756fd7ff1bbec209d74bca1"},"schema_version":"1.0"},"canonical_sha256":"4516cb44006886217fe5a7ba1e3380826e175da792e228933314249c42815ac1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:01.463018Z","signature_b64":"vBblHk92Fc9jHQ6TC2Z44s7y3r1rhwlMbVwhxOpfkYRgPi76cxvLTov+Wz9RqgoAaUEIKuM9v7cBQxFByI2uDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4516cb44006886217fe5a7ba1e3380826e175da792e228933314249c42815ac1","last_reissued_at":"2026-05-18T02:43:01.462464Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:01.462464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.3395","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":"2026-05-18T02:43:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lFmTTGpKI6xvfhxBNQNxYZucCGX2qO9U80MaE1PaXKXY6ZPmtMrUDmjSKumMQfIvmN2vT19CXjtqJxKDIJNHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:22:34.266077Z"},"content_sha256":"fb9f5dc296c295673908da24940a07c7949a33b7db4e8a2e15616c1d04eee5de","schema_version":"1.0","event_id":"sha256:fb9f5dc296c295673908da24940a07c7949a33b7db4e8a2e15616c1d04eee5de"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IULMWRAANCDCC77FU65B4M4AQJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the dynamical emergence of de Sitter spacetime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"gr-qc","authors_text":"Christian Marinoni, Heinrich Steigerwald (Aix-Marseille University)","submitted_at":"2014-09-11T11:24:40Z","abstract_excerpt":"We present and discuss an asynchronous coordinate system covering de Sitter spacetime, notably in a complete way in 1+1 dimensions. The new coordinates have several interesting cosmological properties: the worldlines of comoving ($x^i=const$) observers are geodesics, cosmic time is finite in the past, and the coordinates asymptotically tend to that of a flat Robertson & Walker model at large times. This analysis also provides an argument in favor of the natural emergence of an equation of state of the type $p=-\\rho$ in the context of the standard cosmological model."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3395","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:43:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"De9sxLcVQBvJV44DetF+qjWgS/AC+331m3xnea4OmIg08SK/DXCKpQkY6soc8BPDFxv8N0Wc+MqErszPYVOOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:22:34.266611Z"},"content_sha256":"da29a156ca1baac4dac99810d96c58f6cf3a6607dfcc895f0949941d5effcf6f","schema_version":"1.0","event_id":"sha256:da29a156ca1baac4dac99810d96c58f6cf3a6607dfcc895f0949941d5effcf6f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IULMWRAANCDCC77FU65B4M4AQJ/bundle.json","state_url":"https://pith.science/pith/IULMWRAANCDCC77FU65B4M4AQJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IULMWRAANCDCC77FU65B4M4AQJ/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":"2026-05-28T03:22:34Z","links":{"resolver":"https://pith.science/pith/IULMWRAANCDCC77FU65B4M4AQJ","bundle":"https://pith.science/pith/IULMWRAANCDCC77FU65B4M4AQJ/bundle.json","state":"https://pith.science/pith/IULMWRAANCDCC77FU65B4M4AQJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IULMWRAANCDCC77FU65B4M4AQJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IULMWRAANCDCC77FU65B4M4AQJ","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":"00bb3d33d1f40c973b90b6f5872b5f72c85f45c53756fd7ff1bbec209d74bca1","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-09-11T11:24:40Z","title_canon_sha256":"56dc8e0e6e7200f183fe634e81ffc1206e808c73ce2a0d1d5d08b6887cd3faf7"},"schema_version":"1.0","source":{"id":"1409.3395","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.3395","created_at":"2026-05-18T02:43:01Z"},{"alias_kind":"arxiv_version","alias_value":"1409.3395v1","created_at":"2026-05-18T02:43:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3395","created_at":"2026-05-18T02:43:01Z"},{"alias_kind":"pith_short_12","alias_value":"IULMWRAANCDC","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IULMWRAANCDCC77F","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IULMWRAA","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:da29a156ca1baac4dac99810d96c58f6cf3a6607dfcc895f0949941d5effcf6f","target":"graph","created_at":"2026-05-18T02:43:01Z","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 and discuss an asynchronous coordinate system covering de Sitter spacetime, notably in a complete way in 1+1 dimensions. The new coordinates have several interesting cosmological properties: the worldlines of comoving ($x^i=const$) observers are geodesics, cosmic time is finite in the past, and the coordinates asymptotically tend to that of a flat Robertson & Walker model at large times. This analysis also provides an argument in favor of the natural emergence of an equation of state of the type $p=-\\rho$ in the context of the standard cosmological model.","authors_text":"Christian Marinoni, Heinrich Steigerwald (Aix-Marseille University)","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-09-11T11:24:40Z","title":"On the dynamical emergence of de Sitter spacetime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3395","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:fb9f5dc296c295673908da24940a07c7949a33b7db4e8a2e15616c1d04eee5de","target":"record","created_at":"2026-05-18T02:43:01Z","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":"00bb3d33d1f40c973b90b6f5872b5f72c85f45c53756fd7ff1bbec209d74bca1","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-09-11T11:24:40Z","title_canon_sha256":"56dc8e0e6e7200f183fe634e81ffc1206e808c73ce2a0d1d5d08b6887cd3faf7"},"schema_version":"1.0","source":{"id":"1409.3395","kind":"arxiv","version":1}},"canonical_sha256":"4516cb44006886217fe5a7ba1e3380826e175da792e228933314249c42815ac1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4516cb44006886217fe5a7ba1e3380826e175da792e228933314249c42815ac1","first_computed_at":"2026-05-18T02:43:01.462464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:01.462464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vBblHk92Fc9jHQ6TC2Z44s7y3r1rhwlMbVwhxOpfkYRgPi76cxvLTov+Wz9RqgoAaUEIKuM9v7cBQxFByI2uDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:01.463018Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.3395","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb9f5dc296c295673908da24940a07c7949a33b7db4e8a2e15616c1d04eee5de","sha256:da29a156ca1baac4dac99810d96c58f6cf3a6607dfcc895f0949941d5effcf6f"],"state_sha256":"a068717af894c21c6c3eb895f862e1ae6ec359345c1f61eeb6f794908b8da25c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SLPlUU4KV7PcsYDCcaB6iQarBQrYiaWO1pAp24RbSjUcwM5YNco3sL8eKGcENsrC1No9SUfgeVU3WyhhIG0kCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:22:34.269618Z","bundle_sha256":"916e0260bb4f404d14b09eb4694af122bfcd5a1494cba3866f361ffc80e8e7ff"}}