{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:3RW56MPLRTUZFDN3WXDRUXHVDL","short_pith_number":"pith:3RW56MPL","canonical_record":{"source":{"id":"1311.2599","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-11T21:01:24Z","cross_cats_sorted":[],"title_canon_sha256":"11f9b1259ccf35038360bfea9887de03bd97b579b2d0c5f8ddfbf66ef5b6a687","abstract_canon_sha256":"7b44554b6196111a035263c7fe0fcebb9098f96456edbd3c83bc7969862e4c63"},"schema_version":"1.0"},"canonical_sha256":"dc6ddf31eb8ce9928dbbb5c71a5cf51afb818107e86015e7ddd055b5441a2671","source":{"kind":"arxiv","id":"1311.2599","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2599","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2599v1","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2599","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"pith_short_12","alias_value":"3RW56MPLRTUZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3RW56MPLRTUZFDN3","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3RW56MPL","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:3RW56MPLRTUZFDN3WXDRUXHVDL","target":"record","payload":{"canonical_record":{"source":{"id":"1311.2599","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-11T21:01:24Z","cross_cats_sorted":[],"title_canon_sha256":"11f9b1259ccf35038360bfea9887de03bd97b579b2d0c5f8ddfbf66ef5b6a687","abstract_canon_sha256":"7b44554b6196111a035263c7fe0fcebb9098f96456edbd3c83bc7969862e4c63"},"schema_version":"1.0"},"canonical_sha256":"dc6ddf31eb8ce9928dbbb5c71a5cf51afb818107e86015e7ddd055b5441a2671","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:32.206891Z","signature_b64":"AtxAsmsryhDNixi+30vKIw2znM0J7zsL/w+sx1hgh3loWumRgkwhkbGxEqX35eGkTQYZAQRcAD20c1JIjwNrCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc6ddf31eb8ce9928dbbb5c71a5cf51afb818107e86015e7ddd055b5441a2671","last_reissued_at":"2026-05-18T01:46:32.206489Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:32.206489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.2599","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":"2026-05-18T01:46:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WSlxxPyJzxk3RUoihokqKWxrpzTOqV8OnDw6ru/5Bsk+H0SBtBsx5McR9tbIp+LYWXtzXAAM3CEjjYEf2GnxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:30:38.675022Z"},"content_sha256":"13c6fef20806199ef5b8fd653038897bc7aad973e03bbe5b14f3bb7b74041841","schema_version":"1.0","event_id":"sha256:13c6fef20806199ef5b8fd653038897bc7aad973e03bbe5b14f3bb7b74041841"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:3RW56MPLRTUZFDN3WXDRUXHVDL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resolving the problem of galaxy clustering on small scales: any new physics needed?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Xi Kang","submitted_at":"2013-11-11T21:01:24Z","abstract_excerpt":"Galaxy clustering sets strong constraints on the physics governing galaxy formation and evolution. However, most current models fail to reproduce the clustering of low-mass galaxies on small scales ($r<1Mpc/h$). In this paper we study the galaxy clusterings predicted from a few semi-analytical models. We firstly compare two Munich versions, Guo et al. (2011, Guo11) and De Lucia \\& Blazoit (2007, DLB07). The Guo11 model well reproduces the galaxy stellar mass function, but over-predicts the clustering of low-mass galaxies on small scales. The DLB07 model provides a better fit to the clustering "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2599","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":"2026-05-18T01:46:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bABIpshzn2vm5YAGDYnK1fsQwRpFDFWQcVGsNc+7fVa/zguMGen4J3x4EnQYqIDhgGPgZ8IIyEuqTYcj2/99AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T22:30:38.675386Z"},"content_sha256":"1172a9986c14a2b07866eafcdfb33c52515d9f11b543e320d13276d9c02345d2","schema_version":"1.0","event_id":"sha256:1172a9986c14a2b07866eafcdfb33c52515d9f11b543e320d13276d9c02345d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3RW56MPLRTUZFDN3WXDRUXHVDL/bundle.json","state_url":"https://pith.science/pith/3RW56MPLRTUZFDN3WXDRUXHVDL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3RW56MPLRTUZFDN3WXDRUXHVDL/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":"2026-06-03T22:30:38Z","links":{"resolver":"https://pith.science/pith/3RW56MPLRTUZFDN3WXDRUXHVDL","bundle":"https://pith.science/pith/3RW56MPLRTUZFDN3WXDRUXHVDL/bundle.json","state":"https://pith.science/pith/3RW56MPLRTUZFDN3WXDRUXHVDL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3RW56MPLRTUZFDN3WXDRUXHVDL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3RW56MPLRTUZFDN3WXDRUXHVDL","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":"7b44554b6196111a035263c7fe0fcebb9098f96456edbd3c83bc7969862e4c63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-11T21:01:24Z","title_canon_sha256":"11f9b1259ccf35038360bfea9887de03bd97b579b2d0c5f8ddfbf66ef5b6a687"},"schema_version":"1.0","source":{"id":"1311.2599","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.2599","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"arxiv_version","alias_value":"1311.2599v1","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2599","created_at":"2026-05-18T01:46:32Z"},{"alias_kind":"pith_short_12","alias_value":"3RW56MPLRTUZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3RW56MPLRTUZFDN3","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3RW56MPL","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:1172a9986c14a2b07866eafcdfb33c52515d9f11b543e320d13276d9c02345d2","target":"graph","created_at":"2026-05-18T01:46:32Z","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":"Galaxy clustering sets strong constraints on the physics governing galaxy formation and evolution. However, most current models fail to reproduce the clustering of low-mass galaxies on small scales ($r<1Mpc/h$). In this paper we study the galaxy clusterings predicted from a few semi-analytical models. We firstly compare two Munich versions, Guo et al. (2011, Guo11) and De Lucia \\& Blazoit (2007, DLB07). The Guo11 model well reproduces the galaxy stellar mass function, but over-predicts the clustering of low-mass galaxies on small scales. The DLB07 model provides a better fit to the clustering ","authors_text":"Xi Kang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-11T21:01:24Z","title":"Resolving the problem of galaxy clustering on small scales: any new physics needed?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2599","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":"sha256:13c6fef20806199ef5b8fd653038897bc7aad973e03bbe5b14f3bb7b74041841","target":"record","created_at":"2026-05-18T01:46:32Z","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":"7b44554b6196111a035263c7fe0fcebb9098f96456edbd3c83bc7969862e4c63","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-11-11T21:01:24Z","title_canon_sha256":"11f9b1259ccf35038360bfea9887de03bd97b579b2d0c5f8ddfbf66ef5b6a687"},"schema_version":"1.0","source":{"id":"1311.2599","kind":"arxiv","version":1}},"canonical_sha256":"dc6ddf31eb8ce9928dbbb5c71a5cf51afb818107e86015e7ddd055b5441a2671","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc6ddf31eb8ce9928dbbb5c71a5cf51afb818107e86015e7ddd055b5441a2671","first_computed_at":"2026-05-18T01:46:32.206489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:32.206489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AtxAsmsryhDNixi+30vKIw2znM0J7zsL/w+sx1hgh3loWumRgkwhkbGxEqX35eGkTQYZAQRcAD20c1JIjwNrCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:32.206891Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.2599","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13c6fef20806199ef5b8fd653038897bc7aad973e03bbe5b14f3bb7b74041841","sha256:1172a9986c14a2b07866eafcdfb33c52515d9f11b543e320d13276d9c02345d2"],"state_sha256":"3da0a2c4a55dc6e5b31f885fbb808b45efc1b3fd4f12bb0dec063fbb01e56223"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gywz2d18J0psOfcBP2OXV6PpR/lfdea/QRo8tfPF5SmFP6e/hlQhFNI+9pEjq7FftYQjAy0n+Zcy9y9TNxNpDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T22:30:38.677335Z","bundle_sha256":"ad7552264aef7d2527227c04ce4487faa145155fdd31d99af817f9c81bc70920"}}