{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WNYZJGCKE4FXEA67X3VYAYSTOY","short_pith_number":"pith:WNYZJGCK","canonical_record":{"source":{"id":"1706.07814","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-23T18:00:06Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"358f2c4064a0ed87bb752213bbdcd49986468121179072f2601f5a735d53bd3e","abstract_canon_sha256":"791a08cbe87c36265fe84e0a43edc386024766821ef08d611608ca689dacaac5"},"schema_version":"1.0"},"canonical_sha256":"b37194984a270b7203dfbeeb8062537620fad042f6214d32bf1eb9a7bfb1b7b2","source":{"kind":"arxiv","id":"1706.07814","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07814","created_at":"2026-05-18T00:32:42Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07814v2","created_at":"2026-05-18T00:32:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07814","created_at":"2026-05-18T00:32:42Z"},{"alias_kind":"pith_short_12","alias_value":"WNYZJGCKE4FX","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WNYZJGCKE4FXEA67","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WNYZJGCK","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WNYZJGCKE4FXEA67X3VYAYSTOY","target":"record","payload":{"canonical_record":{"source":{"id":"1706.07814","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-23T18:00:06Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"358f2c4064a0ed87bb752213bbdcd49986468121179072f2601f5a735d53bd3e","abstract_canon_sha256":"791a08cbe87c36265fe84e0a43edc386024766821ef08d611608ca689dacaac5"},"schema_version":"1.0"},"canonical_sha256":"b37194984a270b7203dfbeeb8062537620fad042f6214d32bf1eb9a7bfb1b7b2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:42.547107Z","signature_b64":"9K71QQ+/saIIVWPivINyEsBYgmsJ8maQo+m2nl1xlL++eONt+C5gfRRmUPe7CTaCaUqlsJuCFFghzWV1Q9mJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b37194984a270b7203dfbeeb8062537620fad042f6214d32bf1eb9a7bfb1b7b2","last_reissued_at":"2026-05-18T00:32:42.546346Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:42.546346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.07814","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":"2026-05-18T00:32:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b/BPx+fPJdAX58ioxYeBVMYxatZrUGDfwOk5y0Zz++/m9f5vTOIRwqLpcti1uJSWIGtKNr0Nm+b0aY+AEHr8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:07:33.700532Z"},"content_sha256":"a157b72f37c211a93ba5d21862812cc89551e4f4c73202c2c1f31e3ca5388a44","schema_version":"1.0","event_id":"sha256:a157b72f37c211a93ba5d21862812cc89551e4f4c73202c2c1f31e3ca5388a44"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WNYZJGCKE4FXEA67X3VYAYSTOY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Halo intrinsic alignment: dependence on mass, formation time and environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Houjun Mo, Huiyuan Wang, Peng Wang, Qianli Xia, Xiaohu Yang, Xi Kang, Yipeng Jing, Yu Luo","submitted_at":"2017-06-23T18:00:06Z","abstract_excerpt":"In this paper we use high-resolution cosmological simulations to study halo intrinsic alignment and its dependence on mass, formation time and large-scale environment. In agreement with previous studies using N-body simulations, it is found that massive halos have stronger alignment. For given mass, older halos have stronger alignment than younger ones. By identifying the cosmic environment of halo using Hessian matrix, we find that for given mass, halos in cluster regions also have stronger alignment than those in filament. The existing theory has not addressed these dependencies explicitly. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07814","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":"2026-05-18T00:32:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FFpTxB0n6+BdidUbRqo8ebIsrFMkprSNmLI6KX0fe1N7P9tDqmLq/H1qNuoAh/3eRBSrQ6TnQWo9PBtTJN2QCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:07:33.700881Z"},"content_sha256":"48f400574f978669bc083e37672d4d5af2e39a2417e6f65419325e66cacc6b47","schema_version":"1.0","event_id":"sha256:48f400574f978669bc083e37672d4d5af2e39a2417e6f65419325e66cacc6b47"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WNYZJGCKE4FXEA67X3VYAYSTOY/bundle.json","state_url":"https://pith.science/pith/WNYZJGCKE4FXEA67X3VYAYSTOY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WNYZJGCKE4FXEA67X3VYAYSTOY/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":"2026-06-04T03:07:33Z","links":{"resolver":"https://pith.science/pith/WNYZJGCKE4FXEA67X3VYAYSTOY","bundle":"https://pith.science/pith/WNYZJGCKE4FXEA67X3VYAYSTOY/bundle.json","state":"https://pith.science/pith/WNYZJGCKE4FXEA67X3VYAYSTOY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WNYZJGCKE4FXEA67X3VYAYSTOY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WNYZJGCKE4FXEA67X3VYAYSTOY","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":"791a08cbe87c36265fe84e0a43edc386024766821ef08d611608ca689dacaac5","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-23T18:00:06Z","title_canon_sha256":"358f2c4064a0ed87bb752213bbdcd49986468121179072f2601f5a735d53bd3e"},"schema_version":"1.0","source":{"id":"1706.07814","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07814","created_at":"2026-05-18T00:32:42Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07814v2","created_at":"2026-05-18T00:32:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07814","created_at":"2026-05-18T00:32:42Z"},{"alias_kind":"pith_short_12","alias_value":"WNYZJGCKE4FX","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WNYZJGCKE4FXEA67","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WNYZJGCK","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:48f400574f978669bc083e37672d4d5af2e39a2417e6f65419325e66cacc6b47","target":"graph","created_at":"2026-05-18T00:32:42Z","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":"In this paper we use high-resolution cosmological simulations to study halo intrinsic alignment and its dependence on mass, formation time and large-scale environment. In agreement with previous studies using N-body simulations, it is found that massive halos have stronger alignment. For given mass, older halos have stronger alignment than younger ones. By identifying the cosmic environment of halo using Hessian matrix, we find that for given mass, halos in cluster regions also have stronger alignment than those in filament. The existing theory has not addressed these dependencies explicitly. ","authors_text":"Houjun Mo, Huiyuan Wang, Peng Wang, Qianli Xia, Xiaohu Yang, Xi Kang, Yipeng Jing, Yu Luo","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-23T18:00:06Z","title":"Halo intrinsic alignment: dependence on mass, formation time and environment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07814","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:a157b72f37c211a93ba5d21862812cc89551e4f4c73202c2c1f31e3ca5388a44","target":"record","created_at":"2026-05-18T00:32:42Z","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":"791a08cbe87c36265fe84e0a43edc386024766821ef08d611608ca689dacaac5","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-23T18:00:06Z","title_canon_sha256":"358f2c4064a0ed87bb752213bbdcd49986468121179072f2601f5a735d53bd3e"},"schema_version":"1.0","source":{"id":"1706.07814","kind":"arxiv","version":2}},"canonical_sha256":"b37194984a270b7203dfbeeb8062537620fad042f6214d32bf1eb9a7bfb1b7b2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b37194984a270b7203dfbeeb8062537620fad042f6214d32bf1eb9a7bfb1b7b2","first_computed_at":"2026-05-18T00:32:42.546346Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:42.546346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9K71QQ+/saIIVWPivINyEsBYgmsJ8maQo+m2nl1xlL++eONt+C5gfRRmUPe7CTaCaUqlsJuCFFghzWV1Q9mJCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:42.547107Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.07814","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a157b72f37c211a93ba5d21862812cc89551e4f4c73202c2c1f31e3ca5388a44","sha256:48f400574f978669bc083e37672d4d5af2e39a2417e6f65419325e66cacc6b47"],"state_sha256":"33e66ffbf03f63334c416c581b5702be41aa39aa0b3b3debec440f338086d304"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wf08JSIShnaGxb+3YRWry9F5p/LKqWg4LenJ3KElhZeN1Yd4qkQP2Vkvb37BL9O0fPlelN0keNpTZOzq+sPyAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:07:33.702805Z","bundle_sha256":"339e0b01d18f1d6c6d13fd35463f9655542b469520e7ba35c65d67db6240ba3e"}}