{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:LR45J5KQLF5TWAF7AIEMLQPR2P","short_pith_number":"pith:LR45J5KQ","canonical_record":{"source":{"id":"1301.3255","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-01-15T08:22:41Z","cross_cats_sorted":[],"title_canon_sha256":"d29702f18e43656494a8eef0e95430a3dc3acda7ebac0db51f972134da1fff97","abstract_canon_sha256":"26d0692f21b0c76ad3676eec3f1dd0a79354e59c5c583c7afeb28f8c0b8079f1"},"schema_version":"1.0"},"canonical_sha256":"5c79d4f550597b3b00bf0208c5c1f1d3d257df5e6f9a9f8a5e9ff86e7f57c337","source":{"kind":"arxiv","id":"1301.3255","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.3255","created_at":"2026-05-18T03:33:11Z"},{"alias_kind":"arxiv_version","alias_value":"1301.3255v1","created_at":"2026-05-18T03:33:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.3255","created_at":"2026-05-18T03:33:11Z"},{"alias_kind":"pith_short_12","alias_value":"LR45J5KQLF5T","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LR45J5KQLF5TWAF7","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LR45J5KQ","created_at":"2026-05-18T12:27:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:LR45J5KQLF5TWAF7AIEMLQPR2P","target":"record","payload":{"canonical_record":{"source":{"id":"1301.3255","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-01-15T08:22:41Z","cross_cats_sorted":[],"title_canon_sha256":"d29702f18e43656494a8eef0e95430a3dc3acda7ebac0db51f972134da1fff97","abstract_canon_sha256":"26d0692f21b0c76ad3676eec3f1dd0a79354e59c5c583c7afeb28f8c0b8079f1"},"schema_version":"1.0"},"canonical_sha256":"5c79d4f550597b3b00bf0208c5c1f1d3d257df5e6f9a9f8a5e9ff86e7f57c337","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:11.275395Z","signature_b64":"w9yNIvhVzgMxhKNIAN8C93CbjbX4I0zma1Um0CQa1345bdj/9kIjJd+kMilkBpkurXnjG7/sQwmBOka1wahEBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c79d4f550597b3b00bf0208c5c1f1d3d257df5e6f9a9f8a5e9ff86e7f57c337","last_reissued_at":"2026-05-18T03:33:11.274516Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:11.274516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.3255","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":"2026-05-18T03:33:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4FK4rygy2WXIVOCVLy0Bb/iIKGvO+p4cUPJG2jwOUULp8MCVZxXdYG1/M64Ohbw2IZpA6nsUlKyizkFdSZT5Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:16:46.476623Z"},"content_sha256":"feb88d035e74c1a6001d05ff58edd3ef5f0f2357324a3d8b2cffbc1dbefd6c93","schema_version":"1.0","event_id":"sha256:feb88d035e74c1a6001d05ff58edd3ef5f0f2357324a3d8b2cffbc1dbefd6c93"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:LR45J5KQLF5TWAF7AIEMLQPR2P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinearities in modified gravity cosmology. II. Impacts of modified gravity on the halo properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Pengjie Zhang, Weiguang Cui, Xiaohu Yang, Youcai Zhang","submitted_at":"2013-01-15T08:22:41Z","abstract_excerpt":"The statistics of dark matter halos is an essential component of understanding the nonlinear evolution in modified gravity cosmology. Based on a series of modified gravity N-body simulations, we investigate the halo mass function, concentration and bias. We model the impact of modified gravity by a single parameter \\zeta, which determines the enhancement of particle acceleration with respect to GR, given the identical mass distribution (\\zeta=1 in GR). We select snapshot redshifts such that the linear matter power spectra of different gravity models are identical, in order to isolate the impac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.3255","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":"2026-05-18T03:33:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8F1zAPMz9l57HBg9Dgt27h1R5MXXhzriFiUa5KyKAiFn/fiGom5ByyCBih+CCJu6f1A3XO4Aj71f8RifhowXCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:16:46.477128Z"},"content_sha256":"12905724ca84aa74dec9bdb7c219a6adb96a65a2062ff23d1140ca7becd2a003","schema_version":"1.0","event_id":"sha256:12905724ca84aa74dec9bdb7c219a6adb96a65a2062ff23d1140ca7becd2a003"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LR45J5KQLF5TWAF7AIEMLQPR2P/bundle.json","state_url":"https://pith.science/pith/LR45J5KQLF5TWAF7AIEMLQPR2P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LR45J5KQLF5TWAF7AIEMLQPR2P/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":"2026-05-26T12:16:46Z","links":{"resolver":"https://pith.science/pith/LR45J5KQLF5TWAF7AIEMLQPR2P","bundle":"https://pith.science/pith/LR45J5KQLF5TWAF7AIEMLQPR2P/bundle.json","state":"https://pith.science/pith/LR45J5KQLF5TWAF7AIEMLQPR2P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LR45J5KQLF5TWAF7AIEMLQPR2P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LR45J5KQLF5TWAF7AIEMLQPR2P","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":"26d0692f21b0c76ad3676eec3f1dd0a79354e59c5c583c7afeb28f8c0b8079f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-01-15T08:22:41Z","title_canon_sha256":"d29702f18e43656494a8eef0e95430a3dc3acda7ebac0db51f972134da1fff97"},"schema_version":"1.0","source":{"id":"1301.3255","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.3255","created_at":"2026-05-18T03:33:11Z"},{"alias_kind":"arxiv_version","alias_value":"1301.3255v1","created_at":"2026-05-18T03:33:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.3255","created_at":"2026-05-18T03:33:11Z"},{"alias_kind":"pith_short_12","alias_value":"LR45J5KQLF5T","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LR45J5KQLF5TWAF7","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LR45J5KQ","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:12905724ca84aa74dec9bdb7c219a6adb96a65a2062ff23d1140ca7becd2a003","target":"graph","created_at":"2026-05-18T03:33:11Z","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 statistics of dark matter halos is an essential component of understanding the nonlinear evolution in modified gravity cosmology. Based on a series of modified gravity N-body simulations, we investigate the halo mass function, concentration and bias. We model the impact of modified gravity by a single parameter \\zeta, which determines the enhancement of particle acceleration with respect to GR, given the identical mass distribution (\\zeta=1 in GR). We select snapshot redshifts such that the linear matter power spectra of different gravity models are identical, in order to isolate the impac","authors_text":"Pengjie Zhang, Weiguang Cui, Xiaohu Yang, Youcai Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-01-15T08:22:41Z","title":"Nonlinearities in modified gravity cosmology. II. Impacts of modified gravity on the halo properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.3255","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:feb88d035e74c1a6001d05ff58edd3ef5f0f2357324a3d8b2cffbc1dbefd6c93","target":"record","created_at":"2026-05-18T03:33:11Z","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":"26d0692f21b0c76ad3676eec3f1dd0a79354e59c5c583c7afeb28f8c0b8079f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-01-15T08:22:41Z","title_canon_sha256":"d29702f18e43656494a8eef0e95430a3dc3acda7ebac0db51f972134da1fff97"},"schema_version":"1.0","source":{"id":"1301.3255","kind":"arxiv","version":1}},"canonical_sha256":"5c79d4f550597b3b00bf0208c5c1f1d3d257df5e6f9a9f8a5e9ff86e7f57c337","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c79d4f550597b3b00bf0208c5c1f1d3d257df5e6f9a9f8a5e9ff86e7f57c337","first_computed_at":"2026-05-18T03:33:11.274516Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:11.274516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w9yNIvhVzgMxhKNIAN8C93CbjbX4I0zma1Um0CQa1345bdj/9kIjJd+kMilkBpkurXnjG7/sQwmBOka1wahEBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:11.275395Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.3255","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:feb88d035e74c1a6001d05ff58edd3ef5f0f2357324a3d8b2cffbc1dbefd6c93","sha256:12905724ca84aa74dec9bdb7c219a6adb96a65a2062ff23d1140ca7becd2a003"],"state_sha256":"efb24bceb1a0b7d2ef602b13b3b1098437011531e4b5c75b1654c4372bd88b4f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gT4kGH4jRkhmw3WAxqH1SDQ8qY4UJQ/AM467Yi1CfsyX3ZOqs6JDaDEozh1M3uNxFBUAwzmh6n4pt6fygJ1GAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:16:46.480591Z","bundle_sha256":"76539ac4ba6bc6a5bc836ae3d1a77daa5db9586b6b65dff2cf57d5e716e18ef9"}}