{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:24D7GAUMCNM25GKSUJJUKQN7EE","short_pith_number":"pith:24D7GAUM","canonical_record":{"source":{"id":"0910.2846","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-15T11:40:35Z","cross_cats_sorted":[],"title_canon_sha256":"d66bb8872d9ac0fcb2fc3232b87bcfa80cef3cc73c03b28923bacd20d71a1ca4","abstract_canon_sha256":"f09154f0e5d449d2c154ef8a508cfdd528bbba6a30d6f4ea68c04ef8fb8c26d5"},"schema_version":"1.0"},"canonical_sha256":"d707f3028c1359ae9952a2534541bf21235accd7494b230c2f3bae8bdc748672","source":{"kind":"arxiv","id":"0910.2846","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2846","created_at":"2026-05-18T02:11:23Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2846v1","created_at":"2026-05-18T02:11:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2846","created_at":"2026-05-18T02:11:23Z"},{"alias_kind":"pith_short_12","alias_value":"24D7GAUMCNM2","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"24D7GAUMCNM25GKS","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"24D7GAUM","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:24D7GAUMCNM25GKSUJJUKQN7EE","target":"record","payload":{"canonical_record":{"source":{"id":"0910.2846","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-15T11:40:35Z","cross_cats_sorted":[],"title_canon_sha256":"d66bb8872d9ac0fcb2fc3232b87bcfa80cef3cc73c03b28923bacd20d71a1ca4","abstract_canon_sha256":"f09154f0e5d449d2c154ef8a508cfdd528bbba6a30d6f4ea68c04ef8fb8c26d5"},"schema_version":"1.0"},"canonical_sha256":"d707f3028c1359ae9952a2534541bf21235accd7494b230c2f3bae8bdc748672","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:23.373538Z","signature_b64":"WK3XY2UZRwPX6WYXx4BpFJNv+m4zviRrICHSKi8KWH72+UKPFX8oIbgl4ZXngNCHis0XTWMv31tSusz3H3QWCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d707f3028c1359ae9952a2534541bf21235accd7494b230c2f3bae8bdc748672","last_reissued_at":"2026-05-18T02:11:23.372870Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:23.372870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.2846","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":"2026-05-18T02:11:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nxsILc6cngyqZMGZBCpoglMza3kxN1apcCCzo3/q6hCGiBsE+ixAn5AYDN3MDaltTfaxAf1mTqDtSjePkVlDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:21:43.226306Z"},"content_sha256":"4b54b87d1032ccb6adf8d956356ce7e2a4f2a0b959d980a955d962eb31596755","schema_version":"1.0","event_id":"sha256:4b54b87d1032ccb6adf8d956356ce7e2a4f2a0b959d980a955d962eb31596755"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:24D7GAUMCNM25GKSUJJUKQN7EE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dixon's extended bodies and impulsive gravitational waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Andrea Geralico, Antonello Ortolan, Donato Bini, Pierluigi Fortini","submitted_at":"2009-10-15T11:40:35Z","abstract_excerpt":"The \"reaction\" of an extended body to the passage of an exact plane gravitational wave is discussed following Dixon's model. The analysis performed shows several general features, e.g. even if initially absent, the body acquires a spin induced by the quadrupole structure, the center of mass moves from its initial position, as well as certain \"spin-flip\" or \"spin-glitch\" effects which are being observed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2846","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":"2026-05-18T02:11:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uk+NzYlcKtzH/6QrmpjvVSxuMcDrUqlppOFUOBNBr28emgNUvIAxdoltvys6CqcCHZz9+RSdGDjTeYWK8JvVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:21:43.226998Z"},"content_sha256":"e8bfd65640fd500471cff7ab8a6320827920d4d301b8044ab640a0c42f0d0f3a","schema_version":"1.0","event_id":"sha256:e8bfd65640fd500471cff7ab8a6320827920d4d301b8044ab640a0c42f0d0f3a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/24D7GAUMCNM25GKSUJJUKQN7EE/bundle.json","state_url":"https://pith.science/pith/24D7GAUMCNM25GKSUJJUKQN7EE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/24D7GAUMCNM25GKSUJJUKQN7EE/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":"2026-06-09T17:21:43Z","links":{"resolver":"https://pith.science/pith/24D7GAUMCNM25GKSUJJUKQN7EE","bundle":"https://pith.science/pith/24D7GAUMCNM25GKSUJJUKQN7EE/bundle.json","state":"https://pith.science/pith/24D7GAUMCNM25GKSUJJUKQN7EE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/24D7GAUMCNM25GKSUJJUKQN7EE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:24D7GAUMCNM25GKSUJJUKQN7EE","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":"f09154f0e5d449d2c154ef8a508cfdd528bbba6a30d6f4ea68c04ef8fb8c26d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-15T11:40:35Z","title_canon_sha256":"d66bb8872d9ac0fcb2fc3232b87bcfa80cef3cc73c03b28923bacd20d71a1ca4"},"schema_version":"1.0","source":{"id":"0910.2846","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2846","created_at":"2026-05-18T02:11:23Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2846v1","created_at":"2026-05-18T02:11:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2846","created_at":"2026-05-18T02:11:23Z"},{"alias_kind":"pith_short_12","alias_value":"24D7GAUMCNM2","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"24D7GAUMCNM25GKS","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"24D7GAUM","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:e8bfd65640fd500471cff7ab8a6320827920d4d301b8044ab640a0c42f0d0f3a","target":"graph","created_at":"2026-05-18T02:11:23Z","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":"The \"reaction\" of an extended body to the passage of an exact plane gravitational wave is discussed following Dixon's model. The analysis performed shows several general features, e.g. even if initially absent, the body acquires a spin induced by the quadrupole structure, the center of mass moves from its initial position, as well as certain \"spin-flip\" or \"spin-glitch\" effects which are being observed.","authors_text":"Andrea Geralico, Antonello Ortolan, Donato Bini, Pierluigi Fortini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-15T11:40:35Z","title":"Dixon's extended bodies and impulsive gravitational waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2846","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":"sha256:4b54b87d1032ccb6adf8d956356ce7e2a4f2a0b959d980a955d962eb31596755","target":"record","created_at":"2026-05-18T02:11:23Z","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":"f09154f0e5d449d2c154ef8a508cfdd528bbba6a30d6f4ea68c04ef8fb8c26d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-15T11:40:35Z","title_canon_sha256":"d66bb8872d9ac0fcb2fc3232b87bcfa80cef3cc73c03b28923bacd20d71a1ca4"},"schema_version":"1.0","source":{"id":"0910.2846","kind":"arxiv","version":1}},"canonical_sha256":"d707f3028c1359ae9952a2534541bf21235accd7494b230c2f3bae8bdc748672","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d707f3028c1359ae9952a2534541bf21235accd7494b230c2f3bae8bdc748672","first_computed_at":"2026-05-18T02:11:23.372870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:23.372870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WK3XY2UZRwPX6WYXx4BpFJNv+m4zviRrICHSKi8KWH72+UKPFX8oIbgl4ZXngNCHis0XTWMv31tSusz3H3QWCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:23.373538Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.2846","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b54b87d1032ccb6adf8d956356ce7e2a4f2a0b959d980a955d962eb31596755","sha256:e8bfd65640fd500471cff7ab8a6320827920d4d301b8044ab640a0c42f0d0f3a"],"state_sha256":"efc73ef8cde616ee04697bf03aca1cd29f6e409665da61036e9b250677bd8e64"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bKiuD4XbhoNTpm3n+BCUy1yb5O/TBe5YHaAFU2f5x8Ro+9wrb/bxFu6eiI4hDolpSiA+i7m/X4CGt+9KslWFDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T17:21:43.230476Z","bundle_sha256":"b3ff1fcf653205df11fe8068870675f56fdfd9f03f72c147b4ce9c76c6df9aee"}}