{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:LQVMB5QEMSBA7EJ3ZP2HI4SOMF","short_pith_number":"pith:LQVMB5QE","canonical_record":{"source":{"id":"2412.05372","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-12-06T19:01:23Z","cross_cats_sorted":[],"title_canon_sha256":"e35f6db67b435f9c88964e426bc8c28cbb87fb9119697e095698301c5bab28dd","abstract_canon_sha256":"5df5ae8256084f7d273e320909fde5d75489cdab034ea41cf6b27eb761d4294d"},"schema_version":"1.0"},"canonical_sha256":"5c2ac0f60464820f913bcbf474724e61606c3ac067027fb0ccc92af8e5df694a","source":{"kind":"arxiv","id":"2412.05372","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.05372","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"arxiv_version","alias_value":"2412.05372v2","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.05372","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"pith_short_12","alias_value":"LQVMB5QEMSBA","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"pith_short_16","alias_value":"LQVMB5QEMSBA7EJ3","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"pith_short_8","alias_value":"LQVMB5QE","created_at":"2026-07-05T11:16:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:LQVMB5QEMSBA7EJ3ZP2HI4SOMF","target":"record","payload":{"canonical_record":{"source":{"id":"2412.05372","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-12-06T19:01:23Z","cross_cats_sorted":[],"title_canon_sha256":"e35f6db67b435f9c88964e426bc8c28cbb87fb9119697e095698301c5bab28dd","abstract_canon_sha256":"5df5ae8256084f7d273e320909fde5d75489cdab034ea41cf6b27eb761d4294d"},"schema_version":"1.0"},"canonical_sha256":"5c2ac0f60464820f913bcbf474724e61606c3ac067027fb0ccc92af8e5df694a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:16:53.009474Z","signature_b64":"rl6OYXIO2Vap+1XKm6h7EqPKGMUZl03jTV6gQ2TInqgN0TYlhaDBKhuRgSGQzflchIn4E1/4UKL2mrVuXuDEAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c2ac0f60464820f913bcbf474724e61606c3ac067027fb0ccc92af8e5df694a","last_reissued_at":"2026-07-05T11:16:53.008960Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:16:53.008960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.05372","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":"2026-07-05T11:16:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QWX0zFKsbiF5Os1uBUokPqSmd3RodD8mGQncXumxN5D5HOu5L82EepotnSRxJfFpkvg2e9Uik2sxfdwXgsqdCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:20:28.440446Z"},"content_sha256":"aa2542eccf2ea08c9617a6cb9ac9e9a89a49696fd642a14fbbd4b8dafda30b93","schema_version":"1.0","event_id":"sha256:aa2542eccf2ea08c9617a6cb9ac9e9a89a49696fd642a14fbbd4b8dafda30b93"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:LQVMB5QEMSBA7EJ3ZP2HI4SOMF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emulating the Lyman-Alpha forest 1D power spectrum from cosmological simulations: New models and constraints from the eBOSS measurement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Christophe Y\\`eche, Corentin Ravoux, Eric Armengaud, Jean Sexton, Julien Lesgourgues, Markus R. Mosbech, Michael Walther, Nathalie Palanque-Delabrouille, Nils Sch\\\"oneberg, Sol\\`ene Chabanier, Zarija Luki\\'c","submitted_at":"2024-12-06T19:01:23Z","abstract_excerpt":"We present the Lyssa suite of high-resolution cosmological simulations of the Lyman-$\\alpha$ forest designed for cosmological analyses. These 18 simulations have been run using the Nyx code with $4096^3$ hydrodynamical cells in a 120 Mpc ($\\sim$ 81Mpc/h) comoving box and individually provide sub-percent level convergence of the Lyman-$\\alpha$ forest 1d flux power spectrum. We build a Gaussian process emulator for the Lyssa simulations in the lym1d likelihood framework to interpolate the power spectrum at arbitrary parameter values. We validate this emulator based on leave-one-out tests and bas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.05372","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.05372/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":"2026-07-05T11:16:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7MfGkMn9cdghDeo0QOGbujee++4LxLAsVb1N0pGRwXxnlCJN234MBnq9lyJ0VAuhamSJ0e0kcATFncrNdgKtDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T01:20:28.441030Z"},"content_sha256":"3362d02a84afc8b5c8453a96201bcbc9f3737fd01abf3fb9ccca7217a682fb35","schema_version":"1.0","event_id":"sha256:3362d02a84afc8b5c8453a96201bcbc9f3737fd01abf3fb9ccca7217a682fb35"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LQVMB5QEMSBA7EJ3ZP2HI4SOMF/bundle.json","state_url":"https://pith.science/pith/LQVMB5QEMSBA7EJ3ZP2HI4SOMF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LQVMB5QEMSBA7EJ3ZP2HI4SOMF/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":"2026-08-05T01:20:28Z","links":{"resolver":"https://pith.science/pith/LQVMB5QEMSBA7EJ3ZP2HI4SOMF","bundle":"https://pith.science/pith/LQVMB5QEMSBA7EJ3ZP2HI4SOMF/bundle.json","state":"https://pith.science/pith/LQVMB5QEMSBA7EJ3ZP2HI4SOMF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LQVMB5QEMSBA7EJ3ZP2HI4SOMF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:LQVMB5QEMSBA7EJ3ZP2HI4SOMF","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":"5df5ae8256084f7d273e320909fde5d75489cdab034ea41cf6b27eb761d4294d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-12-06T19:01:23Z","title_canon_sha256":"e35f6db67b435f9c88964e426bc8c28cbb87fb9119697e095698301c5bab28dd"},"schema_version":"1.0","source":{"id":"2412.05372","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.05372","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"arxiv_version","alias_value":"2412.05372v2","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.05372","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"pith_short_12","alias_value":"LQVMB5QEMSBA","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"pith_short_16","alias_value":"LQVMB5QEMSBA7EJ3","created_at":"2026-07-05T11:16:53Z"},{"alias_kind":"pith_short_8","alias_value":"LQVMB5QE","created_at":"2026-07-05T11:16:53Z"}],"graph_snapshots":[{"event_id":"sha256:3362d02a84afc8b5c8453a96201bcbc9f3737fd01abf3fb9ccca7217a682fb35","target":"graph","created_at":"2026-07-05T11:16:53Z","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/2412.05372/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the Lyssa suite of high-resolution cosmological simulations of the Lyman-$\\alpha$ forest designed for cosmological analyses. These 18 simulations have been run using the Nyx code with $4096^3$ hydrodynamical cells in a 120 Mpc ($\\sim$ 81Mpc/h) comoving box and individually provide sub-percent level convergence of the Lyman-$\\alpha$ forest 1d flux power spectrum. We build a Gaussian process emulator for the Lyssa simulations in the lym1d likelihood framework to interpolate the power spectrum at arbitrary parameter values. We validate this emulator based on leave-one-out tests and bas","authors_text":"Christophe Y\\`eche, Corentin Ravoux, Eric Armengaud, Jean Sexton, Julien Lesgourgues, Markus R. Mosbech, Michael Walther, Nathalie Palanque-Delabrouille, Nils Sch\\\"oneberg, Sol\\`ene Chabanier, Zarija Luki\\'c","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-12-06T19:01:23Z","title":"Emulating the Lyman-Alpha forest 1D power spectrum from cosmological simulations: New models and constraints from the eBOSS measurement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.05372","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:aa2542eccf2ea08c9617a6cb9ac9e9a89a49696fd642a14fbbd4b8dafda30b93","target":"record","created_at":"2026-07-05T11:16:53Z","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":"5df5ae8256084f7d273e320909fde5d75489cdab034ea41cf6b27eb761d4294d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-12-06T19:01:23Z","title_canon_sha256":"e35f6db67b435f9c88964e426bc8c28cbb87fb9119697e095698301c5bab28dd"},"schema_version":"1.0","source":{"id":"2412.05372","kind":"arxiv","version":2}},"canonical_sha256":"5c2ac0f60464820f913bcbf474724e61606c3ac067027fb0ccc92af8e5df694a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c2ac0f60464820f913bcbf474724e61606c3ac067027fb0ccc92af8e5df694a","first_computed_at":"2026-07-05T11:16:53.008960Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:16:53.008960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rl6OYXIO2Vap+1XKm6h7EqPKGMUZl03jTV6gQ2TInqgN0TYlhaDBKhuRgSGQzflchIn4E1/4UKL2mrVuXuDEAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:16:53.009474Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.05372","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa2542eccf2ea08c9617a6cb9ac9e9a89a49696fd642a14fbbd4b8dafda30b93","sha256:3362d02a84afc8b5c8453a96201bcbc9f3737fd01abf3fb9ccca7217a682fb35"],"state_sha256":"29bec0d6c3ed7328d34429491091d200b75928d9aa893aeffb75824b0aaea388"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DCFIZWXjs8TGbBwe0HpHJDTZDVRWnIUc4rVIeBAA6fzb1uXZBP1j+k1dUIQS7Bat937s25lxI3TRz3BQbQ8IDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T01:20:28.444797Z","bundle_sha256":"666993b1a6c6fd627ef27c09b6dd5b13107f000aff5d224117a6c70e3e12d1fb"}}