{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:AO3CIQQX3F6GHQ6CBL5OQV57MX","short_pith_number":"pith:AO3CIQQX","canonical_record":{"source":{"id":"1507.07843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-07-28T16:42:49Z","cross_cats_sorted":[],"title_canon_sha256":"d609a579cb4030aaeea92ad802162880e5557cd906e9c91a9bd6ec9f2d5129ec","abstract_canon_sha256":"33bfe1ed5e14dac1fbbc578664a2a05ba60cfa727cdf0b6f52c166a6b6b8dff0"},"schema_version":"1.0"},"canonical_sha256":"03b6244217d97c63c3c20afae857bf65fda7fffe0f006518af0e0448723b3943","source":{"kind":"arxiv","id":"1507.07843","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.07843","created_at":"2026-05-18T00:56:31Z"},{"alias_kind":"arxiv_version","alias_value":"1507.07843v2","created_at":"2026-05-18T00:56:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.07843","created_at":"2026-05-18T00:56:31Z"},{"alias_kind":"pith_short_12","alias_value":"AO3CIQQX3F6G","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AO3CIQQX3F6GHQ6C","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AO3CIQQX","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:AO3CIQQX3F6GHQ6CBL5OQV57MX","target":"record","payload":{"canonical_record":{"source":{"id":"1507.07843","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-07-28T16:42:49Z","cross_cats_sorted":[],"title_canon_sha256":"d609a579cb4030aaeea92ad802162880e5557cd906e9c91a9bd6ec9f2d5129ec","abstract_canon_sha256":"33bfe1ed5e14dac1fbbc578664a2a05ba60cfa727cdf0b6f52c166a6b6b8dff0"},"schema_version":"1.0"},"canonical_sha256":"03b6244217d97c63c3c20afae857bf65fda7fffe0f006518af0e0448723b3943","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:31.682307Z","signature_b64":"mBHnaG7RHMljys1KCa65vDAfHIVzu2QjTGttus/J7z29y84a4G4rEIK50gzdvv8FL/ofJjpk/I2cZ4BW9+6QBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03b6244217d97c63c3c20afae857bf65fda7fffe0f006518af0e0448723b3943","last_reissued_at":"2026-05-18T00:56:31.681601Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:31.681601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.07843","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":"2026-05-18T00:56:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OmTjQNBzvsjUeeOaW/+jgbRKLjNp/R5hsxBNFlTm0IwKUxgPlOQhHCHizp9JaRAXf6w099ATncOd2pVAv3OYAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:22:45.715704Z"},"content_sha256":"7c7e1e9a3097f20c1fbae9ea9ff1f97df10628a5476c5440c37481785d80c3b0","schema_version":"1.0","event_id":"sha256:7c7e1e9a3097f20c1fbae9ea9ff1f97df10628a5476c5440c37481785d80c3b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:AO3CIQQX3F6GHQ6CBL5OQV57MX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intrinsic alignments of galaxies in the Horizon-AGN cosmological hydrodynamical simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Adrianne Slyz, Christophe Pichon, Clotilde Laigle, Julien Devriendt, Karim Benabed, Lance Miller, Nora Elisa Chisari, Raphael Gavazzi, Sandrine Codis, Yohan Dubois","submitted_at":"2015-07-28T16:42:49Z","abstract_excerpt":"The intrinsic alignments of galaxies are recognised as a contaminant to weak gravitational lensing measurements. In this work, we study the alignment of galaxy shapes and spins at low redshift ($z\\sim 0.5$) in Horizon-AGN, an adaptive-mesh-refinement hydrodynamical cosmological simulation box of 100 Mpc/h a side with AGN feedback implementation. We find that spheroidal galaxies in the simulation show a tendency to be aligned radially towards over-densities in the dark matter density field and other spheroidals. This trend is in agreement with observations, but the amplitude of the signal depen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.07843","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":"2026-05-18T00:56:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9EHL4uI2gb+Dcmm4ttJNsuesDO01aosEHBNEmQ5d7IYDB4H51pBj4q0nUwiJDJZG6DnwvxVs0QlSgryVR3Y3Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:22:45.716053Z"},"content_sha256":"13da28e1b8b1e77ba0c682ef5157ea082d40489f2a906175de7864c10299baa7","schema_version":"1.0","event_id":"sha256:13da28e1b8b1e77ba0c682ef5157ea082d40489f2a906175de7864c10299baa7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AO3CIQQX3F6GHQ6CBL5OQV57MX/bundle.json","state_url":"https://pith.science/pith/AO3CIQQX3F6GHQ6CBL5OQV57MX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AO3CIQQX3F6GHQ6CBL5OQV57MX/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":"2026-06-02T04:22:45Z","links":{"resolver":"https://pith.science/pith/AO3CIQQX3F6GHQ6CBL5OQV57MX","bundle":"https://pith.science/pith/AO3CIQQX3F6GHQ6CBL5OQV57MX/bundle.json","state":"https://pith.science/pith/AO3CIQQX3F6GHQ6CBL5OQV57MX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AO3CIQQX3F6GHQ6CBL5OQV57MX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AO3CIQQX3F6GHQ6CBL5OQV57MX","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":"33bfe1ed5e14dac1fbbc578664a2a05ba60cfa727cdf0b6f52c166a6b6b8dff0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-07-28T16:42:49Z","title_canon_sha256":"d609a579cb4030aaeea92ad802162880e5557cd906e9c91a9bd6ec9f2d5129ec"},"schema_version":"1.0","source":{"id":"1507.07843","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.07843","created_at":"2026-05-18T00:56:31Z"},{"alias_kind":"arxiv_version","alias_value":"1507.07843v2","created_at":"2026-05-18T00:56:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.07843","created_at":"2026-05-18T00:56:31Z"},{"alias_kind":"pith_short_12","alias_value":"AO3CIQQX3F6G","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AO3CIQQX3F6GHQ6C","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AO3CIQQX","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:13da28e1b8b1e77ba0c682ef5157ea082d40489f2a906175de7864c10299baa7","target":"graph","created_at":"2026-05-18T00:56:31Z","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":"The intrinsic alignments of galaxies are recognised as a contaminant to weak gravitational lensing measurements. In this work, we study the alignment of galaxy shapes and spins at low redshift ($z\\sim 0.5$) in Horizon-AGN, an adaptive-mesh-refinement hydrodynamical cosmological simulation box of 100 Mpc/h a side with AGN feedback implementation. We find that spheroidal galaxies in the simulation show a tendency to be aligned radially towards over-densities in the dark matter density field and other spheroidals. This trend is in agreement with observations, but the amplitude of the signal depen","authors_text":"Adrianne Slyz, Christophe Pichon, Clotilde Laigle, Julien Devriendt, Karim Benabed, Lance Miller, Nora Elisa Chisari, Raphael Gavazzi, Sandrine Codis, Yohan Dubois","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-07-28T16:42:49Z","title":"Intrinsic alignments of galaxies in the Horizon-AGN cosmological hydrodynamical simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.07843","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":"sha256:7c7e1e9a3097f20c1fbae9ea9ff1f97df10628a5476c5440c37481785d80c3b0","target":"record","created_at":"2026-05-18T00:56:31Z","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":"33bfe1ed5e14dac1fbbc578664a2a05ba60cfa727cdf0b6f52c166a6b6b8dff0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-07-28T16:42:49Z","title_canon_sha256":"d609a579cb4030aaeea92ad802162880e5557cd906e9c91a9bd6ec9f2d5129ec"},"schema_version":"1.0","source":{"id":"1507.07843","kind":"arxiv","version":2}},"canonical_sha256":"03b6244217d97c63c3c20afae857bf65fda7fffe0f006518af0e0448723b3943","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03b6244217d97c63c3c20afae857bf65fda7fffe0f006518af0e0448723b3943","first_computed_at":"2026-05-18T00:56:31.681601Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:56:31.681601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mBHnaG7RHMljys1KCa65vDAfHIVzu2QjTGttus/J7z29y84a4G4rEIK50gzdvv8FL/ofJjpk/I2cZ4BW9+6QBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:56:31.682307Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.07843","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c7e1e9a3097f20c1fbae9ea9ff1f97df10628a5476c5440c37481785d80c3b0","sha256:13da28e1b8b1e77ba0c682ef5157ea082d40489f2a906175de7864c10299baa7"],"state_sha256":"b199a4cfdcf9aaf321515b40310a8da7922d6f7694deb7e4d048b27f54b2a6b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IRu3Q9x2PCn8gNaP4fC3yz6et3IICOhC0Puxg/Rm0DO65RZq0qwnZiTgvbq1KtiQm1Hi6iTSgajIa5zlzSGKDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T04:22:45.718043Z","bundle_sha256":"a8a2c1262841b74ea18c0060546969d71ed7d6f70e3b2ad535e39d2fcac799ca"}}