{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZPCZZHUBMSD2RNX6ZVEVR5KR4F","short_pith_number":"pith:ZPCZZHUB","canonical_record":{"source":{"id":"1701.06634","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-23T21:15:56Z","cross_cats_sorted":[],"title_canon_sha256":"3adf0fb98b0385fe2d4d8c6011486ba208b2b5fb2508f2e15195db0a9a825992","abstract_canon_sha256":"f246badd79885aefa79419c5c11976543352ca2fb04bb07a5f2445a363fb2b0d"},"schema_version":"1.0"},"canonical_sha256":"cbc59c9e816487a8b6fecd4958f551e150e241437c2fd324bbc0d8449b373c75","source":{"kind":"arxiv","id":"1701.06634","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06634","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06634v2","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06634","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"pith_short_12","alias_value":"ZPCZZHUBMSD2","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZPCZZHUBMSD2RNX6","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZPCZZHUB","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZPCZZHUBMSD2RNX6ZVEVR5KR4F","target":"record","payload":{"canonical_record":{"source":{"id":"1701.06634","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-23T21:15:56Z","cross_cats_sorted":[],"title_canon_sha256":"3adf0fb98b0385fe2d4d8c6011486ba208b2b5fb2508f2e15195db0a9a825992","abstract_canon_sha256":"f246badd79885aefa79419c5c11976543352ca2fb04bb07a5f2445a363fb2b0d"},"schema_version":"1.0"},"canonical_sha256":"cbc59c9e816487a8b6fecd4958f551e150e241437c2fd324bbc0d8449b373c75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:29.081803Z","signature_b64":"5KBqkoOPwYbsd2OKqdgwJBA28JTePo877+EAGUK0HZHzscBF5qYNsXd73qorjRBOern78v4scDqQ4299kF65CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cbc59c9e816487a8b6fecd4958f551e150e241437c2fd324bbc0d8449b373c75","last_reissued_at":"2026-05-18T00:43:29.081253Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:29.081253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.06634","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:43:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0eVz7Ly+V2ZsmU9Apmu1c/3qDEGHd/bR6QDlIRxEHDAppN87vaLUoHJN1nkx5LMmQXkcgoPAaQRQEmOOlN22AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T03:55:07.342413Z"},"content_sha256":"0c59170f5045a64aa03dcdd04bada099a540b4d563d0745d0c203b63a65a7fe0","schema_version":"1.0","event_id":"sha256:0c59170f5045a64aa03dcdd04bada099a540b4d563d0745d0c203b63a65a7fe0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZPCZZHUBMSD2RNX6ZVEVR5KR4F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the migration-induced formation of the 9:7 mean motion resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Cezary Migaszewski","submitted_at":"2017-01-23T21:15:56Z","abstract_excerpt":"We study formation of 9:7 mean motion resonance (MMR) as a result of convergent migration of two planets embedded in a disc. Depending on the migration parameters, initial orbits and planets' masses the system may pass through the resonance or enter it (permanently or temporarily). We illustrate that a stable equilibrium of the averaged system (a periodic orbit of the N-body model) is surrounded by the region of permanent resonance capture, whose size depends on the migration parameters and the planets mass ratio. A system located inside this region tends towards the equilibrium (the capture i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06634","kind":"arxiv","version":2},"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":"2026-05-18T00:43:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpqzOGfmKn5sdpJjlgTf7vbytZvlwq/dUmLkCWcaqHGaq6O8tM5efv+NXbnka5sYNPLI/LVWdaIo0ZnlR0I0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T03:55:07.342774Z"},"content_sha256":"69d388436c60b11257816653a8500d15ff6f91e289ebc2af29ecc1b97ee9a39b","schema_version":"1.0","event_id":"sha256:69d388436c60b11257816653a8500d15ff6f91e289ebc2af29ecc1b97ee9a39b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZPCZZHUBMSD2RNX6ZVEVR5KR4F/bundle.json","state_url":"https://pith.science/pith/ZPCZZHUBMSD2RNX6ZVEVR5KR4F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZPCZZHUBMSD2RNX6ZVEVR5KR4F/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":"2026-05-30T03:55:07Z","links":{"resolver":"https://pith.science/pith/ZPCZZHUBMSD2RNX6ZVEVR5KR4F","bundle":"https://pith.science/pith/ZPCZZHUBMSD2RNX6ZVEVR5KR4F/bundle.json","state":"https://pith.science/pith/ZPCZZHUBMSD2RNX6ZVEVR5KR4F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZPCZZHUBMSD2RNX6ZVEVR5KR4F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZPCZZHUBMSD2RNX6ZVEVR5KR4F","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":"f246badd79885aefa79419c5c11976543352ca2fb04bb07a5f2445a363fb2b0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-23T21:15:56Z","title_canon_sha256":"3adf0fb98b0385fe2d4d8c6011486ba208b2b5fb2508f2e15195db0a9a825992"},"schema_version":"1.0","source":{"id":"1701.06634","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06634","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06634v2","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06634","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"pith_short_12","alias_value":"ZPCZZHUBMSD2","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZPCZZHUBMSD2RNX6","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZPCZZHUB","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:69d388436c60b11257816653a8500d15ff6f91e289ebc2af29ecc1b97ee9a39b","target":"graph","created_at":"2026-05-18T00:43:29Z","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 study formation of 9:7 mean motion resonance (MMR) as a result of convergent migration of two planets embedded in a disc. Depending on the migration parameters, initial orbits and planets' masses the system may pass through the resonance or enter it (permanently or temporarily). We illustrate that a stable equilibrium of the averaged system (a periodic orbit of the N-body model) is surrounded by the region of permanent resonance capture, whose size depends on the migration parameters and the planets mass ratio. A system located inside this region tends towards the equilibrium (the capture i","authors_text":"Cezary Migaszewski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-23T21:15:56Z","title":"On the migration-induced formation of the 9:7 mean motion resonance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06634","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":"sha256:0c59170f5045a64aa03dcdd04bada099a540b4d563d0745d0c203b63a65a7fe0","target":"record","created_at":"2026-05-18T00:43:29Z","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":"f246badd79885aefa79419c5c11976543352ca2fb04bb07a5f2445a363fb2b0d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-23T21:15:56Z","title_canon_sha256":"3adf0fb98b0385fe2d4d8c6011486ba208b2b5fb2508f2e15195db0a9a825992"},"schema_version":"1.0","source":{"id":"1701.06634","kind":"arxiv","version":2}},"canonical_sha256":"cbc59c9e816487a8b6fecd4958f551e150e241437c2fd324bbc0d8449b373c75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbc59c9e816487a8b6fecd4958f551e150e241437c2fd324bbc0d8449b373c75","first_computed_at":"2026-05-18T00:43:29.081253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:29.081253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5KBqkoOPwYbsd2OKqdgwJBA28JTePo877+EAGUK0HZHzscBF5qYNsXd73qorjRBOern78v4scDqQ4299kF65CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:29.081803Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.06634","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c59170f5045a64aa03dcdd04bada099a540b4d563d0745d0c203b63a65a7fe0","sha256:69d388436c60b11257816653a8500d15ff6f91e289ebc2af29ecc1b97ee9a39b"],"state_sha256":"e4782c5bc722d420e7168b35ddb083e44f55e5f1d74fe241e8d24dc7a65af12a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GZOx/WodbrZlOVUlN4CmHBaUJZj/IREkvkuZIgBI5H6LRSo9D33y17gX8RoruguG8nRGP4N6X6y4WsD6H6JICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T03:55:07.344864Z","bundle_sha256":"b1afe3bc5345bdc350181c621827f4bb047714d3628625f0c6b0ce5a79a14e33"}}