{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:6WTN2T6ACPEVM5UDEZ64W7YSTU","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":"ca10ef568603c2de9be9d5e9ce858fa5fae3a366c3751e83d2ce62fad6debe07","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2004-04-07T16:53:53Z","title_canon_sha256":"d7f0cf09b8650c3c0c23bb895632b15ca2defc473d2efeec38aafb26dcb9ca6b"},"schema_version":"1.0","source":{"id":"gr-qc/0404033","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0404033","created_at":"2026-07-04T16:47:43Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0404033v2","created_at":"2026-07-04T16:47:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0404033","created_at":"2026-07-04T16:47:43Z"},{"alias_kind":"pith_short_12","alias_value":"6WTN2T6ACPEV","created_at":"2026-07-04T16:47:43Z"},{"alias_kind":"pith_short_16","alias_value":"6WTN2T6ACPEVM5UD","created_at":"2026-07-04T16:47:43Z"},{"alias_kind":"pith_short_8","alias_value":"6WTN2T6A","created_at":"2026-07-04T16:47:43Z"}],"graph_snapshots":[{"event_id":"sha256:e3dee12b03123c884c4fa9d09a85f27e66573fa33841c416e304e194f04a59cc","target":"graph","created_at":"2026-07-04T16:47:43Z","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/gr-qc/0404033/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Critical collapse of a self-gravitating scalar field in a (2+1)-dimensional spacetime with negative cosmological constant seems to be dominated by a continuously self-similar solution of the field equations without cosmological constant. However, previous studies of linear perturbations in this background were inconclusive. We extend the continuously self-similar solutions to solutions of the field equations with negative cosmological constant, and analyse their linear perturbations. The extended solutions are characterized by a continuous parameter. A suitable choice of this parameter seems t","authors_text":"Alessandro Fabbri, Gerard Clement, Marco Cavaglia","cross_cats":["hep-th"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2004-04-07T16:53:53Z","title":"Approximately self-similar critical collapse in 2+1 dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0404033","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:f0de1417fe60a7a653521bfafe67331d31423ef379d88e4685648674c519d7ad","target":"record","created_at":"2026-07-04T16:47:43Z","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":"ca10ef568603c2de9be9d5e9ce858fa5fae3a366c3751e83d2ce62fad6debe07","cross_cats_sorted":["hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2004-04-07T16:53:53Z","title_canon_sha256":"d7f0cf09b8650c3c0c23bb895632b15ca2defc473d2efeec38aafb26dcb9ca6b"},"schema_version":"1.0","source":{"id":"gr-qc/0404033","kind":"arxiv","version":2}},"canonical_sha256":"f5a6dd4fc013c9567683267dcb7f129d3680f56b22b6dacb44b9e81cc083a62a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5a6dd4fc013c9567683267dcb7f129d3680f56b22b6dacb44b9e81cc083a62a","first_computed_at":"2026-07-04T16:47:43.279078Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:47:43.279078Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LAOQFnasB8S9xsVwVtfDxmbLXU6OgJmWzF6fjme1wAfY6Vk9+xvK6XYjuIY81SdzKtyeTVys88QBFeWwysNrCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:47:43.279461Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0404033","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0de1417fe60a7a653521bfafe67331d31423ef379d88e4685648674c519d7ad","sha256:e3dee12b03123c884c4fa9d09a85f27e66573fa33841c416e304e194f04a59cc"],"state_sha256":"0795b67511d24e6a472f3416d4eba93119deee3761e90ad4402d040109e5538d"}