{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:N65J5UIPWISY6EV5HWWLLVVRES","short_pith_number":"pith:N65J5UIP","canonical_record":{"source":{"id":"1407.5493","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-21T13:47:24Z","cross_cats_sorted":[],"title_canon_sha256":"941f71d68a712e3a36670a577f0a05940446b5cdbaa7e8eeacb32fdc3af10fb8","abstract_canon_sha256":"c8ff9af71dfad404b9806ed36b571faebecb7ce1cd010fbd10381c51644b707e"},"schema_version":"1.0"},"canonical_sha256":"6fba9ed10fb2258f12bd3dacb5d6b124acc5f61d23a9051adf45a5695159f93d","source":{"kind":"arxiv","id":"1407.5493","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.5493","created_at":"2026-05-18T02:03:37Z"},{"alias_kind":"arxiv_version","alias_value":"1407.5493v2","created_at":"2026-05-18T02:03:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5493","created_at":"2026-05-18T02:03:37Z"},{"alias_kind":"pith_short_12","alias_value":"N65J5UIPWISY","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"N65J5UIPWISY6EV5","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"N65J5UIP","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:N65J5UIPWISY6EV5HWWLLVVRES","target":"record","payload":{"canonical_record":{"source":{"id":"1407.5493","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-21T13:47:24Z","cross_cats_sorted":[],"title_canon_sha256":"941f71d68a712e3a36670a577f0a05940446b5cdbaa7e8eeacb32fdc3af10fb8","abstract_canon_sha256":"c8ff9af71dfad404b9806ed36b571faebecb7ce1cd010fbd10381c51644b707e"},"schema_version":"1.0"},"canonical_sha256":"6fba9ed10fb2258f12bd3dacb5d6b124acc5f61d23a9051adf45a5695159f93d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:37.499537Z","signature_b64":"pAbyt8CguUBJE5JXq0+NUEDeRtnAUyl/Mn0hxfcPTEmN1wTCjIOhn7B0VVbZhnEu/eL9l+YALLIasb7+nm3sAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fba9ed10fb2258f12bd3dacb5d6b124acc5f61d23a9051adf45a5695159f93d","last_reissued_at":"2026-05-18T02:03:37.498820Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:37.498820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.5493","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":"2026-05-18T02:03:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hVgkz+WQSaEtoXb8MrIKpir4+3DVqMDyBECjE4BdpXB6gaYU8gVfYQOKcGMSh3Ol51oXUldtU6dhEOWS28o6BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:57:16.283341Z"},"content_sha256":"2f3bc5e83cae9a0e42cebbdae456f356ea46bb5aa352d7395a3012fa42531492","schema_version":"1.0","event_id":"sha256:2f3bc5e83cae9a0e42cebbdae456f356ea46bb5aa352d7395a3012fa42531492"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:N65J5UIPWISY6EV5HWWLLVVRES","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spiral patterns in planetesimal circumbinary disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Ivan I. Shevchenko, Tatiana V. Demidova","submitted_at":"2014-07-21T13:47:24Z","abstract_excerpt":"Planet formation scenarios and the observed planetary dynamics in binaries pose a number of theoretical challenges, especially in what concerns circumbinary planetary systems. We explore the dynamical stirring of a planetesimal circumbinary disk in the epoch when the gas component disappears. For this purpose, following theoretical approaches by Heppenheimer (1978) and Moriwaki and Nakagawa (2004), we develop a secular theory for the dynamics of planetesimals in circumbinary disks. If the binary is eccentric and its components have unequal masses, a spiral density wave is generated, engulfing "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5493","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":"2026-05-18T02:03:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uT8VKzi0eGV3BuqRXCKVcogkzKBVuE9iIr/C5cwj7iAwwrAX8qTa8JEQe0PcsdBbV65pNw+g2/jd1rlLoBuWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:57:16.283757Z"},"content_sha256":"0aa443517bd8de23666d7da058c2f8f79115b6183c992454b4f65af162a484bf","schema_version":"1.0","event_id":"sha256:0aa443517bd8de23666d7da058c2f8f79115b6183c992454b4f65af162a484bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N65J5UIPWISY6EV5HWWLLVVRES/bundle.json","state_url":"https://pith.science/pith/N65J5UIPWISY6EV5HWWLLVVRES/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N65J5UIPWISY6EV5HWWLLVVRES/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":"2026-06-03T18:57:16Z","links":{"resolver":"https://pith.science/pith/N65J5UIPWISY6EV5HWWLLVVRES","bundle":"https://pith.science/pith/N65J5UIPWISY6EV5HWWLLVVRES/bundle.json","state":"https://pith.science/pith/N65J5UIPWISY6EV5HWWLLVVRES/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N65J5UIPWISY6EV5HWWLLVVRES/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:N65J5UIPWISY6EV5HWWLLVVRES","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":"c8ff9af71dfad404b9806ed36b571faebecb7ce1cd010fbd10381c51644b707e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-21T13:47:24Z","title_canon_sha256":"941f71d68a712e3a36670a577f0a05940446b5cdbaa7e8eeacb32fdc3af10fb8"},"schema_version":"1.0","source":{"id":"1407.5493","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.5493","created_at":"2026-05-18T02:03:37Z"},{"alias_kind":"arxiv_version","alias_value":"1407.5493v2","created_at":"2026-05-18T02:03:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5493","created_at":"2026-05-18T02:03:37Z"},{"alias_kind":"pith_short_12","alias_value":"N65J5UIPWISY","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"N65J5UIPWISY6EV5","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"N65J5UIP","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:0aa443517bd8de23666d7da058c2f8f79115b6183c992454b4f65af162a484bf","target":"graph","created_at":"2026-05-18T02:03:37Z","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":"Planet formation scenarios and the observed planetary dynamics in binaries pose a number of theoretical challenges, especially in what concerns circumbinary planetary systems. We explore the dynamical stirring of a planetesimal circumbinary disk in the epoch when the gas component disappears. For this purpose, following theoretical approaches by Heppenheimer (1978) and Moriwaki and Nakagawa (2004), we develop a secular theory for the dynamics of planetesimals in circumbinary disks. If the binary is eccentric and its components have unequal masses, a spiral density wave is generated, engulfing ","authors_text":"Ivan I. Shevchenko, Tatiana V. Demidova","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-21T13:47:24Z","title":"Spiral patterns in planetesimal circumbinary disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5493","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":"sha256:2f3bc5e83cae9a0e42cebbdae456f356ea46bb5aa352d7395a3012fa42531492","target":"record","created_at":"2026-05-18T02:03:37Z","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":"c8ff9af71dfad404b9806ed36b571faebecb7ce1cd010fbd10381c51644b707e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-21T13:47:24Z","title_canon_sha256":"941f71d68a712e3a36670a577f0a05940446b5cdbaa7e8eeacb32fdc3af10fb8"},"schema_version":"1.0","source":{"id":"1407.5493","kind":"arxiv","version":2}},"canonical_sha256":"6fba9ed10fb2258f12bd3dacb5d6b124acc5f61d23a9051adf45a5695159f93d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6fba9ed10fb2258f12bd3dacb5d6b124acc5f61d23a9051adf45a5695159f93d","first_computed_at":"2026-05-18T02:03:37.498820Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:37.498820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pAbyt8CguUBJE5JXq0+NUEDeRtnAUyl/Mn0hxfcPTEmN1wTCjIOhn7B0VVbZhnEu/eL9l+YALLIasb7+nm3sAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:37.499537Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.5493","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f3bc5e83cae9a0e42cebbdae456f356ea46bb5aa352d7395a3012fa42531492","sha256:0aa443517bd8de23666d7da058c2f8f79115b6183c992454b4f65af162a484bf"],"state_sha256":"dc20687e12d2f8d1c9d3700dd054095d0e9d829753d7f432772a94cdfe3e1419"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8vfwgR3gnuHMaPOpua/b6v1o7kU6jCZMH/1dv+T6Zr+ZPAv9irf5wo+vIQovGaJT+cc3n7OOwVAEsr9kV/JXAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:57:16.285857Z","bundle_sha256":"b89229912ed4275373809f6f5bb56a6d48345c4a34f25d313ea3fc66e60370d0"}}