{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:OXAAKMKRH5RBXHOEYBUY2UQS73","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":"8738f9fba7b54b28a5288b3a6470d1fa164edd1f3af7db5ce102c05f6e1b54b9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-19T00:01:04Z","title_canon_sha256":"1d8c69d5540122f2429e08be4b9bcd81c942ea2dbaeca952b4ce9fe247cfdd08"},"schema_version":"1.0","source":{"id":"astro-ph/0603508","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603508","created_at":"2026-05-18T01:40:32Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603508v1","created_at":"2026-05-18T01:40:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603508","created_at":"2026-05-18T01:40:32Z"},{"alias_kind":"pith_short_12","alias_value":"OXAAKMKRH5RB","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"OXAAKMKRH5RBXHOE","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"OXAAKMKR","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:3d1a03e52c64ee0faa8aa02680b811052a8458bb24fbc9e4e9c67b1af45fed3e","target":"graph","created_at":"2026-05-18T01:40:32Z","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":"We discuss the evolution of the peculiar, nearby (z = 0.045), compact galaxy group CG J1720-67.8, by interpreting a large amount of observational information on the basis of our recent results from spectrophotometric evolutionary synthesis models and new N-body/SPH simulations. The group, that is composed of two spiral galaxies with a mass ratio approximately 4:1 and an S0 galaxy in a particularly compact configuration, is undergoing an active pre-merging phase. Several tidal features are signposts of the complex dynamics of the system. We suggest that the observed structure of the tidal featu","authors_text":"2), (2) Institute of Astro-, Particle Physics, S. Temporin (1, Univ. Innsbruck), W. Kapferer (2)((1) INAF-Brera Astronomical Observatory","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-03-19T00:01:04Z","title":"Past and Future of CG J1720-67.8: Constraints from Observations and Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603508","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":"sha256:0e3d5a8343fe5089a5c4c949e076a64dadbf8d9c98aa3f2f6772613ef64bdbb5","target":"record","created_at":"2026-05-18T01:40:32Z","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":"8738f9fba7b54b28a5288b3a6470d1fa164edd1f3af7db5ce102c05f6e1b54b9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-19T00:01:04Z","title_canon_sha256":"1d8c69d5540122f2429e08be4b9bcd81c942ea2dbaeca952b4ce9fe247cfdd08"},"schema_version":"1.0","source":{"id":"astro-ph/0603508","kind":"arxiv","version":1}},"canonical_sha256":"75c00531513f621b9dc4c0698d5212feca91ce13d843a8fb8cefc26781a58527","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75c00531513f621b9dc4c0698d5212feca91ce13d843a8fb8cefc26781a58527","first_computed_at":"2026-05-18T01:40:32.176986Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:32.176986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b7zP5bi30vImn5npkuydSn4JQcM9mr0qYi/zQqrRyZE3c6h2TGEnrzQ1bEhacZ5Tp/dlJcrPVxBcprPTohZbAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:32.177842Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0603508","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e3d5a8343fe5089a5c4c949e076a64dadbf8d9c98aa3f2f6772613ef64bdbb5","sha256:3d1a03e52c64ee0faa8aa02680b811052a8458bb24fbc9e4e9c67b1af45fed3e"],"state_sha256":"3e9b7207f69a16ab6d5272d383c85e882f4c3df0a0343756fd7a11dbf8a922a9"}