{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:O7GT7ARYRLKW2OFZEX3YBOWG3W","short_pith_number":"pith:O7GT7ARY","canonical_record":{"source":{"id":"1505.07833","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-05-28T20:00:35Z","cross_cats_sorted":[],"title_canon_sha256":"364fcd4c64ba705d9a2232dbea3c56740ff84fa524e3dbf7f294913f68b23661","abstract_canon_sha256":"ae55988bf8739ced1850afcdaa50f9e2b02da90c78792d06ac7c51534e15ef85"},"schema_version":"1.0"},"canonical_sha256":"77cd3f82388ad56d38b925f780bac6dd8375ae4b3768b2f92790129fdd8c8147","source":{"kind":"arxiv","id":"1505.07833","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.07833","created_at":"2026-05-18T01:15:15Z"},{"alias_kind":"arxiv_version","alias_value":"1505.07833v3","created_at":"2026-05-18T01:15:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.07833","created_at":"2026-05-18T01:15:15Z"},{"alias_kind":"pith_short_12","alias_value":"O7GT7ARYRLKW","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"O7GT7ARYRLKW2OFZ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"O7GT7ARY","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:O7GT7ARYRLKW2OFZEX3YBOWG3W","target":"record","payload":{"canonical_record":{"source":{"id":"1505.07833","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-05-28T20:00:35Z","cross_cats_sorted":[],"title_canon_sha256":"364fcd4c64ba705d9a2232dbea3c56740ff84fa524e3dbf7f294913f68b23661","abstract_canon_sha256":"ae55988bf8739ced1850afcdaa50f9e2b02da90c78792d06ac7c51534e15ef85"},"schema_version":"1.0"},"canonical_sha256":"77cd3f82388ad56d38b925f780bac6dd8375ae4b3768b2f92790129fdd8c8147","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:15.201794Z","signature_b64":"6US2mM4n2wbT8tHQ9kS9zs3YgSiZvQq2qyOzbkTDrcV2PH/tyb2CToTBNeWGgbonBLNQdiMLxbe4qnRv9A8pCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77cd3f82388ad56d38b925f780bac6dd8375ae4b3768b2f92790129fdd8c8147","last_reissued_at":"2026-05-18T01:15:15.201078Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:15.201078Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.07833","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:15:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4w+eW4NmS4GY9swa73TueuODW45s8OaqEy2TwRPDZvWVRTVxzff6p9CTtDuiG7aXiO6ATiTBs+dkph0LZ98aAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:55:29.660031Z"},"content_sha256":"9a48095dd16368570294505d1f633cc2d4bdff8896a9a66ae4c54c597fc3b4cd","schema_version":"1.0","event_id":"sha256:9a48095dd16368570294505d1f633cc2d4bdff8896a9a66ae4c54c597fc3b4cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:O7GT7ARYRLKW2OFZEX3YBOWG3W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An accurate halo model for fitting non-linear cosmological power spectra and baryonic feedback models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alan Heavens, Alexander Mead, Catherine Heymans, John Peacock, Shahab Joudaki","submitted_at":"2015-05-28T20:00:35Z","abstract_excerpt":"We present an optimized variant of the halo model, designed to produce accurate matter power spectra well into the non-linear regime for a wide range of cosmological models. To do this, we introduce physically motivated free parameters into the halo-model formalism and fit these to data from high-resolution $N$-body simulations. For a variety of $\\Lambda$CDM and $w$CDM models the halo-model power is accurate to $\\simeq 5$ per cent for $k\\leq 10h\\,\\mathrm{Mpc}$ and $z\\leq 2$. An advantage of our new halo model is that it can be adapted to account for the effects of baryonic feedback on the powe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.07833","kind":"arxiv","version":3},"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":"2026-05-18T01:15:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+B0wQ0ndE6AMVYxEtimeYNzGGDbwgskmWfBUC8oW295rIXKFRoy2xxmnJcH+x2mqOsaf8SS2TGOKyni9nWlKDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:55:29.660699Z"},"content_sha256":"242ef395375153491aff03eeee0c6007e7aed4e3186bf182afa10887bc5776b1","schema_version":"1.0","event_id":"sha256:242ef395375153491aff03eeee0c6007e7aed4e3186bf182afa10887bc5776b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O7GT7ARYRLKW2OFZEX3YBOWG3W/bundle.json","state_url":"https://pith.science/pith/O7GT7ARYRLKW2OFZEX3YBOWG3W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O7GT7ARYRLKW2OFZEX3YBOWG3W/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":"2026-05-26T13:55:29Z","links":{"resolver":"https://pith.science/pith/O7GT7ARYRLKW2OFZEX3YBOWG3W","bundle":"https://pith.science/pith/O7GT7ARYRLKW2OFZEX3YBOWG3W/bundle.json","state":"https://pith.science/pith/O7GT7ARYRLKW2OFZEX3YBOWG3W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O7GT7ARYRLKW2OFZEX3YBOWG3W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:O7GT7ARYRLKW2OFZEX3YBOWG3W","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":"ae55988bf8739ced1850afcdaa50f9e2b02da90c78792d06ac7c51534e15ef85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-05-28T20:00:35Z","title_canon_sha256":"364fcd4c64ba705d9a2232dbea3c56740ff84fa524e3dbf7f294913f68b23661"},"schema_version":"1.0","source":{"id":"1505.07833","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.07833","created_at":"2026-05-18T01:15:15Z"},{"alias_kind":"arxiv_version","alias_value":"1505.07833v3","created_at":"2026-05-18T01:15:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.07833","created_at":"2026-05-18T01:15:15Z"},{"alias_kind":"pith_short_12","alias_value":"O7GT7ARYRLKW","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"O7GT7ARYRLKW2OFZ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"O7GT7ARY","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:242ef395375153491aff03eeee0c6007e7aed4e3186bf182afa10887bc5776b1","target":"graph","created_at":"2026-05-18T01:15:15Z","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 an optimized variant of the halo model, designed to produce accurate matter power spectra well into the non-linear regime for a wide range of cosmological models. To do this, we introduce physically motivated free parameters into the halo-model formalism and fit these to data from high-resolution $N$-body simulations. For a variety of $\\Lambda$CDM and $w$CDM models the halo-model power is accurate to $\\simeq 5$ per cent for $k\\leq 10h\\,\\mathrm{Mpc}$ and $z\\leq 2$. An advantage of our new halo model is that it can be adapted to account for the effects of baryonic feedback on the powe","authors_text":"Alan Heavens, Alexander Mead, Catherine Heymans, John Peacock, Shahab Joudaki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-05-28T20:00:35Z","title":"An accurate halo model for fitting non-linear cosmological power spectra and baryonic feedback models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.07833","kind":"arxiv","version":3},"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":"sha256:9a48095dd16368570294505d1f633cc2d4bdff8896a9a66ae4c54c597fc3b4cd","target":"record","created_at":"2026-05-18T01:15:15Z","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":"ae55988bf8739ced1850afcdaa50f9e2b02da90c78792d06ac7c51534e15ef85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-05-28T20:00:35Z","title_canon_sha256":"364fcd4c64ba705d9a2232dbea3c56740ff84fa524e3dbf7f294913f68b23661"},"schema_version":"1.0","source":{"id":"1505.07833","kind":"arxiv","version":3}},"canonical_sha256":"77cd3f82388ad56d38b925f780bac6dd8375ae4b3768b2f92790129fdd8c8147","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77cd3f82388ad56d38b925f780bac6dd8375ae4b3768b2f92790129fdd8c8147","first_computed_at":"2026-05-18T01:15:15.201078Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:15.201078Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6US2mM4n2wbT8tHQ9kS9zs3YgSiZvQq2qyOzbkTDrcV2PH/tyb2CToTBNeWGgbonBLNQdiMLxbe4qnRv9A8pCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:15.201794Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.07833","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a48095dd16368570294505d1f633cc2d4bdff8896a9a66ae4c54c597fc3b4cd","sha256:242ef395375153491aff03eeee0c6007e7aed4e3186bf182afa10887bc5776b1"],"state_sha256":"623c4c982dbf323e7d49b30a701a87479249114b15612f2dd72732c537083bcc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HpGPvtj7lojqLU8hT8oEpphX0zL4tEVVRbKJmxPWEk6dFwNRD3owgxJMjFVZaOPR7hVHYH7cZBMTYmAdWBb5Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:55:29.664209Z","bundle_sha256":"d4297d9d3bc1f3b18529636fd3dfcc56492301d72a9ee5180c6af2e3b003b411"}}