{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HAQMTTDGZCLXQOP3IFFWRW5AJL","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":"f0ef4ec1b8918fe72fc14c7242f67d63f7d9a1eeff66fe685ef264fb564dfbdd","cross_cats_sorted":["math.PR","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.ST","submitted_at":"2024-07-26T12:06:29Z","title_canon_sha256":"046d328eac2beb08eeed35399e29552d3813f925d66a12f34eb10dbf0da9d10a"},"schema_version":"1.0","source":{"id":"2407.18685","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.18685","created_at":"2026-07-05T09:53:03Z"},{"alias_kind":"arxiv_version","alias_value":"2407.18685v3","created_at":"2026-07-05T09:53:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.18685","created_at":"2026-07-05T09:53:03Z"},{"alias_kind":"pith_short_12","alias_value":"HAQMTTDGZCLX","created_at":"2026-07-05T09:53:03Z"},{"alias_kind":"pith_short_16","alias_value":"HAQMTTDGZCLXQOP3","created_at":"2026-07-05T09:53:03Z"},{"alias_kind":"pith_short_8","alias_value":"HAQMTTDG","created_at":"2026-07-05T09:53:03Z"}],"graph_snapshots":[{"event_id":"sha256:814f31d69d699016e0551da47efb55e84c60116fb86f9beaad74c2f3567ddfe4","target":"graph","created_at":"2026-07-05T09:53:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2407.18685/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the problem of late change-point detection under the preferential attachment random graph model with time dependent attachment function. This can be formulated as a hypothesis testing problem where the null hypothesis corresponds to a preferential attachment model with a constant affine attachment parameter $\\delta_0$ and the alternative corresponds to a preferential attachment model where the affine attachment parameter changes from $\\delta_0$ to $\\delta_1$ at a time $\\tau_n = n - \\Delta_n$ where $0\\leq \\Delta_n \\leq n$ and $n$ is the size of the graph. It was conjectured in Bet e","authors_text":"\\'Elisabeth Gassiat, Ibrahim Kaddouri, Zacharie Naulet","cross_cats":["math.PR","stat.TH"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.ST","submitted_at":"2024-07-26T12:06:29Z","title":"On the impossibility of detecting a late change-point in the preferential attachment random graph model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.18685","kind":"arxiv","version":3},"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":"sha256:7eefe6be163fe902667939a56a04b776b45687a38c2eedd7bbe545f7f3b9256d","target":"record","created_at":"2026-07-05T09:53:03Z","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":"f0ef4ec1b8918fe72fc14c7242f67d63f7d9a1eeff66fe685ef264fb564dfbdd","cross_cats_sorted":["math.PR","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.ST","submitted_at":"2024-07-26T12:06:29Z","title_canon_sha256":"046d328eac2beb08eeed35399e29552d3813f925d66a12f34eb10dbf0da9d10a"},"schema_version":"1.0","source":{"id":"2407.18685","kind":"arxiv","version":3}},"canonical_sha256":"3820c9cc66c8977839fb414b68dba04ac7b3f7d7bbf67d4ce06da9f9e08617a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3820c9cc66c8977839fb414b68dba04ac7b3f7d7bbf67d4ce06da9f9e08617a3","first_computed_at":"2026-07-05T09:53:03.156251Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:53:03.156251Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VCVYa3aYxpEIzowIW8MfI9msf5I6/XVcrTzoPFfPiID9JxZ3RJtDGQzSYgj0Kqc6WGbLwi2vBOXiSoLPIiagAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:53:03.156645Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.18685","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7eefe6be163fe902667939a56a04b776b45687a38c2eedd7bbe545f7f3b9256d","sha256:814f31d69d699016e0551da47efb55e84c60116fb86f9beaad74c2f3567ddfe4"],"state_sha256":"aed8a3707b1be453b1c0c62e335066841aa3d3e5b6d138db2f0136b69deb98e4"}