{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:USHAH5PDEUFOYWWSQWBEH7OZA5","short_pith_number":"pith:USHAH5PD","canonical_record":{"source":{"id":"1705.03462","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-09T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"c749f9a3edc4fa070fb22fe9802cbd516864b966dae8e1672649185b178ed2dc","abstract_canon_sha256":"335522f9e0437a1ca44d6e69917a7bc9dcfefb58b112e39e4fb87630f25d2ebb"},"schema_version":"1.0"},"canonical_sha256":"a48e03f5e3250aec5ad2858243fdd90770a5ae8a1465cc2c96c15cc519b488f6","source":{"kind":"arxiv","id":"1705.03462","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03462","created_at":"2026-05-18T00:24:22Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03462v2","created_at":"2026-05-18T00:24:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03462","created_at":"2026-05-18T00:24:22Z"},{"alias_kind":"pith_short_12","alias_value":"USHAH5PDEUFO","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"USHAH5PDEUFOYWWS","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"USHAH5PD","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:USHAH5PDEUFOYWWSQWBEH7OZA5","target":"record","payload":{"canonical_record":{"source":{"id":"1705.03462","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-09T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"c749f9a3edc4fa070fb22fe9802cbd516864b966dae8e1672649185b178ed2dc","abstract_canon_sha256":"335522f9e0437a1ca44d6e69917a7bc9dcfefb58b112e39e4fb87630f25d2ebb"},"schema_version":"1.0"},"canonical_sha256":"a48e03f5e3250aec5ad2858243fdd90770a5ae8a1465cc2c96c15cc519b488f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:22.538387Z","signature_b64":"tuExQGQpkZ4eYIvQqLNg5fIygzyOTUIZrHb657zjflxO+R0hOS0S7aSSb6UVd6kvu7M7KyIu2ZzeepuxTIXXBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a48e03f5e3250aec5ad2858243fdd90770a5ae8a1465cc2c96c15cc519b488f6","last_reissued_at":"2026-05-18T00:24:22.537886Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:22.537886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.03462","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":"2026-05-18T00:24:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XlwrC32ExTZfAb1qg1eFoQSJgSRHpqE6QwKXyuCqwvdY6gtuVZJi8G7cncXaJMXgSqJgc9DYVfe8w23G78mJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T11:59:18.956389Z"},"content_sha256":"fa7cd73833d2c4481afd49619da4c353615257d811ba309f143cc6ecfbf86a31","schema_version":"1.0","event_id":"sha256:fa7cd73833d2c4481afd49619da4c353615257d811ba309f143cc6ecfbf86a31"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:USHAH5PDEUFOYWWSQWBEH7OZA5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical Properties of Eccentric Nuclear Disks: Stability, Longevity, and Implications for Tidal Disruption Rates in Post-Merger Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew Halle, Ann-Marie Madigan, Chris Nixon, Heather Werkne, Mackenzie Moody, Mike McCourt","submitted_at":"2017-05-09T18:00:00Z","abstract_excerpt":"In some galaxies, the stars orbiting the supermassive black hole take the form of an eccentric nuclear disk, in which every star is on a coherent, apsidally-aligned orbit. The most famous example of an eccentric nuclear disk is the double nucleus of Andromeda, and there is strong evidence for many more in the local universe. Despite their apparent ubiquity however, a dynamical explanation for their longevity has remained a mystery: differential precession should wipe out large-scale apsidal-alignment on a short timescale. Here we identify a new dynamical mechanism which stabilizes eccentric nu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03462","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":"2026-05-18T00:24:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ucbCsJpTLAn7snaFw3iHRs2ywi3O7Qzn4VuH2cO0qEVHhHRuunj+az5Vz772faVy0ZEDH8e7ZcWaXSV7Q50yCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T11:59:18.957219Z"},"content_sha256":"6b52a1c835d733189b350028d5224e4e9f75141c01f3eaa952856975b65ba1de","schema_version":"1.0","event_id":"sha256:6b52a1c835d733189b350028d5224e4e9f75141c01f3eaa952856975b65ba1de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/USHAH5PDEUFOYWWSQWBEH7OZA5/bundle.json","state_url":"https://pith.science/pith/USHAH5PDEUFOYWWSQWBEH7OZA5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/USHAH5PDEUFOYWWSQWBEH7OZA5/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":"2026-08-01T11:59:18Z","links":{"resolver":"https://pith.science/pith/USHAH5PDEUFOYWWSQWBEH7OZA5","bundle":"https://pith.science/pith/USHAH5PDEUFOYWWSQWBEH7OZA5/bundle.json","state":"https://pith.science/pith/USHAH5PDEUFOYWWSQWBEH7OZA5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/USHAH5PDEUFOYWWSQWBEH7OZA5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:USHAH5PDEUFOYWWSQWBEH7OZA5","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":"335522f9e0437a1ca44d6e69917a7bc9dcfefb58b112e39e4fb87630f25d2ebb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-09T18:00:00Z","title_canon_sha256":"c749f9a3edc4fa070fb22fe9802cbd516864b966dae8e1672649185b178ed2dc"},"schema_version":"1.0","source":{"id":"1705.03462","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03462","created_at":"2026-05-18T00:24:22Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03462v2","created_at":"2026-05-18T00:24:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03462","created_at":"2026-05-18T00:24:22Z"},{"alias_kind":"pith_short_12","alias_value":"USHAH5PDEUFO","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"USHAH5PDEUFOYWWS","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"USHAH5PD","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:6b52a1c835d733189b350028d5224e4e9f75141c01f3eaa952856975b65ba1de","target":"graph","created_at":"2026-05-18T00:24:22Z","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":"In some galaxies, the stars orbiting the supermassive black hole take the form of an eccentric nuclear disk, in which every star is on a coherent, apsidally-aligned orbit. The most famous example of an eccentric nuclear disk is the double nucleus of Andromeda, and there is strong evidence for many more in the local universe. Despite their apparent ubiquity however, a dynamical explanation for their longevity has remained a mystery: differential precession should wipe out large-scale apsidal-alignment on a short timescale. Here we identify a new dynamical mechanism which stabilizes eccentric nu","authors_text":"Andrew Halle, Ann-Marie Madigan, Chris Nixon, Heather Werkne, Mackenzie Moody, Mike McCourt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-09T18:00:00Z","title":"Dynamical Properties of Eccentric Nuclear Disks: Stability, Longevity, and Implications for Tidal Disruption Rates in Post-Merger Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03462","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:fa7cd73833d2c4481afd49619da4c353615257d811ba309f143cc6ecfbf86a31","target":"record","created_at":"2026-05-18T00:24:22Z","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":"335522f9e0437a1ca44d6e69917a7bc9dcfefb58b112e39e4fb87630f25d2ebb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-05-09T18:00:00Z","title_canon_sha256":"c749f9a3edc4fa070fb22fe9802cbd516864b966dae8e1672649185b178ed2dc"},"schema_version":"1.0","source":{"id":"1705.03462","kind":"arxiv","version":2}},"canonical_sha256":"a48e03f5e3250aec5ad2858243fdd90770a5ae8a1465cc2c96c15cc519b488f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a48e03f5e3250aec5ad2858243fdd90770a5ae8a1465cc2c96c15cc519b488f6","first_computed_at":"2026-05-18T00:24:22.537886Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:24:22.537886Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tuExQGQpkZ4eYIvQqLNg5fIygzyOTUIZrHb657zjflxO+R0hOS0S7aSSb6UVd6kvu7M7KyIu2ZzeepuxTIXXBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:24:22.538387Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.03462","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa7cd73833d2c4481afd49619da4c353615257d811ba309f143cc6ecfbf86a31","sha256:6b52a1c835d733189b350028d5224e4e9f75141c01f3eaa952856975b65ba1de"],"state_sha256":"af58fd50902152a2ed43a1982eacde21aa19daeba91eec82ce3cd6ed096a2130"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9GJNTSBKxDh/7qvpTtiOxnINfT3wAZJ4fxKoR2RrRsLjsTlJ7W/ymEPWnsyWzYIJFU9fzkh+hvAjKszHgfwKBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T11:59:18.961752Z","bundle_sha256":"53059712e81c96381288d01aa78ecf567f52effa9820af6aa8ce523f8f129d25"}}