{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:A3EEF54BX62AZM3OL4ZCJHXLXI","short_pith_number":"pith:A3EEF54B","canonical_record":{"source":{"id":"1503.01109","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-03T21:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"1909c5fd6b34f816dfd3911937cce2a954b5aade3f54b6c915951c2cfecffc7d","abstract_canon_sha256":"703e11bc69eca2e54914c6d6d2821e226dd55e723a766303b4adb442651487f1"},"schema_version":"1.0"},"canonical_sha256":"06c842f781bfb40cb36e5f32249eebba13f6129acb0aec2ddca22e99a1a4d640","source":{"kind":"arxiv","id":"1503.01109","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01109","created_at":"2026-05-18T01:35:22Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01109v2","created_at":"2026-05-18T01:35:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01109","created_at":"2026-05-18T01:35:22Z"},{"alias_kind":"pith_short_12","alias_value":"A3EEF54BX62A","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"A3EEF54BX62AZM3O","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"A3EEF54B","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:A3EEF54BX62AZM3OL4ZCJHXLXI","target":"record","payload":{"canonical_record":{"source":{"id":"1503.01109","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-03T21:00:03Z","cross_cats_sorted":[],"title_canon_sha256":"1909c5fd6b34f816dfd3911937cce2a954b5aade3f54b6c915951c2cfecffc7d","abstract_canon_sha256":"703e11bc69eca2e54914c6d6d2821e226dd55e723a766303b4adb442651487f1"},"schema_version":"1.0"},"canonical_sha256":"06c842f781bfb40cb36e5f32249eebba13f6129acb0aec2ddca22e99a1a4d640","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:22.435700Z","signature_b64":"BH5VkoYpYKHRI/kpPJjmttbEC4Eoy2xPf+w3qnAs8LVzzNlWY3KwHCEeMPZoMcN3fQl/LMgRHKdKdg/96jbTBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06c842f781bfb40cb36e5f32249eebba13f6129acb0aec2ddca22e99a1a4d640","last_reissued_at":"2026-05-18T01:35:22.434959Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:22.434959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.01109","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":"2026-05-18T01:35:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RYYT5KEWy2GggXenB2kv26HxxbJYk/JcZY3QFsWxHk0eSuqP7TF5RK2tNMWjZMd+ou4cIRXfYW3P/VIFFnfYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:59:26.529941Z"},"content_sha256":"fed1d3a91114dbe5bcdc5f63eda105b7b28febd4f8ad73cc6a2b6803b54b2cc1","schema_version":"1.0","event_id":"sha256:fed1d3a91114dbe5bcdc5f63eda105b7b28febd4f8ad73cc6a2b6803b54b2cc1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:A3EEF54BX62AZM3OL4ZCJHXLXI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring the liminality: properties of haloes and subhaloes in borderline $f(R)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Baojiu Li (ICC, Difu Shi (ICC, Durham), Jiaxin Han (ICC, Liang Gao (NAOC & ICC, Wojciech A. Hellwing (ICC","submitted_at":"2015-03-03T21:00:03Z","abstract_excerpt":"We investigate the properties of dark matter haloes and subhaloes in an $f(R)$ gravity model with $|f_{R0}|=10^{-6}$, using a very high-resolution N-body simulation. The model is a borderline between being cosmologically interesting and yet still consistent with current data. We find that the halo mass function in this model has a maximum 20% enhancement compared with the $\\Lambda$CDM predictions between $z=1$ and $z=0$. Because of the chameleon mechanism which screens the deviation from standard gravity in dense environments, haloes more massive than $10^{13}h^{-1}M_\\odot$ in this $f(R)$ mode"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01109","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":"2026-05-18T01:35:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Loa163UmbbvkT+2DpzBd9graSVV8Ev5CA4bG65blmHTLqqKKwPuPOZ7U7RD5WruCQvjoMR9UvU+OsF/tlaTFBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:59:26.530600Z"},"content_sha256":"437586c815165440299442a68b89d9855d1be22cc8692204f0ccc5bb23abc2b9","schema_version":"1.0","event_id":"sha256:437586c815165440299442a68b89d9855d1be22cc8692204f0ccc5bb23abc2b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A3EEF54BX62AZM3OL4ZCJHXLXI/bundle.json","state_url":"https://pith.science/pith/A3EEF54BX62AZM3OL4ZCJHXLXI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A3EEF54BX62AZM3OL4ZCJHXLXI/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":"2026-05-27T02:59:26Z","links":{"resolver":"https://pith.science/pith/A3EEF54BX62AZM3OL4ZCJHXLXI","bundle":"https://pith.science/pith/A3EEF54BX62AZM3OL4ZCJHXLXI/bundle.json","state":"https://pith.science/pith/A3EEF54BX62AZM3OL4ZCJHXLXI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A3EEF54BX62AZM3OL4ZCJHXLXI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:A3EEF54BX62AZM3OL4ZCJHXLXI","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":"703e11bc69eca2e54914c6d6d2821e226dd55e723a766303b4adb442651487f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-03T21:00:03Z","title_canon_sha256":"1909c5fd6b34f816dfd3911937cce2a954b5aade3f54b6c915951c2cfecffc7d"},"schema_version":"1.0","source":{"id":"1503.01109","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.01109","created_at":"2026-05-18T01:35:22Z"},{"alias_kind":"arxiv_version","alias_value":"1503.01109v2","created_at":"2026-05-18T01:35:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.01109","created_at":"2026-05-18T01:35:22Z"},{"alias_kind":"pith_short_12","alias_value":"A3EEF54BX62A","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"A3EEF54BX62AZM3O","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"A3EEF54B","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:437586c815165440299442a68b89d9855d1be22cc8692204f0ccc5bb23abc2b9","target":"graph","created_at":"2026-05-18T01:35:22Z","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 investigate the properties of dark matter haloes and subhaloes in an $f(R)$ gravity model with $|f_{R0}|=10^{-6}$, using a very high-resolution N-body simulation. The model is a borderline between being cosmologically interesting and yet still consistent with current data. We find that the halo mass function in this model has a maximum 20% enhancement compared with the $\\Lambda$CDM predictions between $z=1$ and $z=0$. Because of the chameleon mechanism which screens the deviation from standard gravity in dense environments, haloes more massive than $10^{13}h^{-1}M_\\odot$ in this $f(R)$ mode","authors_text":"Baojiu Li (ICC, Difu Shi (ICC, Durham), Jiaxin Han (ICC, Liang Gao (NAOC & ICC, Wojciech A. Hellwing (ICC","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-03T21:00:03Z","title":"Exploring the liminality: properties of haloes and subhaloes in borderline $f(R)$ gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.01109","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:fed1d3a91114dbe5bcdc5f63eda105b7b28febd4f8ad73cc6a2b6803b54b2cc1","target":"record","created_at":"2026-05-18T01:35:22Z","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":"703e11bc69eca2e54914c6d6d2821e226dd55e723a766303b4adb442651487f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-03-03T21:00:03Z","title_canon_sha256":"1909c5fd6b34f816dfd3911937cce2a954b5aade3f54b6c915951c2cfecffc7d"},"schema_version":"1.0","source":{"id":"1503.01109","kind":"arxiv","version":2}},"canonical_sha256":"06c842f781bfb40cb36e5f32249eebba13f6129acb0aec2ddca22e99a1a4d640","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06c842f781bfb40cb36e5f32249eebba13f6129acb0aec2ddca22e99a1a4d640","first_computed_at":"2026-05-18T01:35:22.434959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:22.434959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BH5VkoYpYKHRI/kpPJjmttbEC4Eoy2xPf+w3qnAs8LVzzNlWY3KwHCEeMPZoMcN3fQl/LMgRHKdKdg/96jbTBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:22.435700Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.01109","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fed1d3a91114dbe5bcdc5f63eda105b7b28febd4f8ad73cc6a2b6803b54b2cc1","sha256:437586c815165440299442a68b89d9855d1be22cc8692204f0ccc5bb23abc2b9"],"state_sha256":"69edeeb3fa19d456012b79485c7d0e611aec1890aff327d3dbf05c347afdb032"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mDpBcYbrlcrL2QbUG1bTdDCRFnZbmHqg2TnMWA5+BgfM+eV5iIBvJ14LLrwfB/IloCPzz52qYpU8jsT73SODCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:59:26.533922Z","bundle_sha256":"6d27a037077f2061ea9a4aaabce1df5201281352983b7e24e622c23f47710b00"}}