{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:3TWN2O3CZRQJORWT2OQBMUJK3F","short_pith_number":"pith:3TWN2O3C","canonical_record":{"source":{"id":"astro-ph/0608350","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-16T20:00:12Z","cross_cats_sorted":[],"title_canon_sha256":"08b2f9092cde114174d1f39218e9ae986dd2b57930b60b3ce58e0a2c9ae94b11","abstract_canon_sha256":"0f9e5ea958337aa7b719446b8245c8fecccf09a65cfd44f91e416ec969a5557c"},"schema_version":"1.0"},"canonical_sha256":"dcecdd3b62cc609746d3d3a016512ad95ed61247783a16b81472eab6ba0cdecf","source":{"kind":"arxiv","id":"astro-ph/0608350","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608350","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608350v1","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608350","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"3TWN2O3CZRQJ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"3TWN2O3CZRQJORWT","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"3TWN2O3C","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:3TWN2O3CZRQJORWT2OQBMUJK3F","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0608350","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-16T20:00:12Z","cross_cats_sorted":[],"title_canon_sha256":"08b2f9092cde114174d1f39218e9ae986dd2b57930b60b3ce58e0a2c9ae94b11","abstract_canon_sha256":"0f9e5ea958337aa7b719446b8245c8fecccf09a65cfd44f91e416ec969a5557c"},"schema_version":"1.0"},"canonical_sha256":"dcecdd3b62cc609746d3d3a016512ad95ed61247783a16b81472eab6ba0cdecf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:29.914466Z","signature_b64":"AQkhqI4i/IN86rMHAmV+NOh8foyu5R+HFzwQ2xaEW7av7bGzvyp/vjP+0Ijr6akIFeSSIdGg8l++OeZoa9a/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcecdd3b62cc609746d3d3a016512ad95ed61247783a16b81472eab6ba0cdecf","last_reissued_at":"2026-05-18T01:40:29.913843Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:29.913843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0608350","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":"2026-05-18T01:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nHpxhP4TqwL/3h6bAF+aCrAIwCSDmtNWpeReJ5tMJbEi+SNaRJTcxzYs2tuMDcQVGas2uQ2QZ/B4ycr9wIzwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T20:28:36.211714Z"},"content_sha256":"53a642d530e82a97e6e887047ee76b5ad0036e2dc656f914855ea18fb845d574","schema_version":"1.0","event_id":"sha256:53a642d530e82a97e6e887047ee76b5ad0036e2dc656f914855ea18fb845d574"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:3TWN2O3CZRQJORWT2OQBMUJK3F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Does a Galaxy Fly?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Yutaka Fujita (Osaka U.)","submitted_at":"2006-08-16T20:00:12Z","abstract_excerpt":"Disk galaxies in a cluster of galaxies are moving in hot gas filling the cluster. Generally, they are moving at transonic or supersonic velocities. If ram-pressure stripping is insufficient to destroy the gas disk, the galaxies should be affected by the wind of the surrounding hot gas similar to an airfoil. In this paper, I consider whether the aerodynamic interaction can be strong enough to force a disk galaxy to deviate from the orbit that it would have been in. I find that while the lift force is not effective, the drag force could affect face-on disk galaxies in poor clusters on long times"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608350","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":"2026-05-18T01:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rlkm7Ldau/Y0zqd0T8EA4Iqa2t6b3rQz6xJ+hhM2HftSj7m/2FxOty17JDqmhZsw4XUzUGMHjW69uOtuGNUBBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T20:28:36.212456Z"},"content_sha256":"b9bf0226d96a3750c51d96659502791bfeadae1aff2aea0618cb29df694ef6c5","schema_version":"1.0","event_id":"sha256:b9bf0226d96a3750c51d96659502791bfeadae1aff2aea0618cb29df694ef6c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3TWN2O3CZRQJORWT2OQBMUJK3F/bundle.json","state_url":"https://pith.science/pith/3TWN2O3CZRQJORWT2OQBMUJK3F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3TWN2O3CZRQJORWT2OQBMUJK3F/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":"2026-06-08T20:28:36Z","links":{"resolver":"https://pith.science/pith/3TWN2O3CZRQJORWT2OQBMUJK3F","bundle":"https://pith.science/pith/3TWN2O3CZRQJORWT2OQBMUJK3F/bundle.json","state":"https://pith.science/pith/3TWN2O3CZRQJORWT2OQBMUJK3F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3TWN2O3CZRQJORWT2OQBMUJK3F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:3TWN2O3CZRQJORWT2OQBMUJK3F","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":"0f9e5ea958337aa7b719446b8245c8fecccf09a65cfd44f91e416ec969a5557c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-16T20:00:12Z","title_canon_sha256":"08b2f9092cde114174d1f39218e9ae986dd2b57930b60b3ce58e0a2c9ae94b11"},"schema_version":"1.0","source":{"id":"astro-ph/0608350","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608350","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608350v1","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608350","created_at":"2026-05-18T01:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"3TWN2O3CZRQJ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"3TWN2O3CZRQJORWT","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"3TWN2O3C","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:b9bf0226d96a3750c51d96659502791bfeadae1aff2aea0618cb29df694ef6c5","target":"graph","created_at":"2026-05-18T01:40:29Z","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":"Disk galaxies in a cluster of galaxies are moving in hot gas filling the cluster. Generally, they are moving at transonic or supersonic velocities. If ram-pressure stripping is insufficient to destroy the gas disk, the galaxies should be affected by the wind of the surrounding hot gas similar to an airfoil. In this paper, I consider whether the aerodynamic interaction can be strong enough to force a disk galaxy to deviate from the orbit that it would have been in. I find that while the lift force is not effective, the drag force could affect face-on disk galaxies in poor clusters on long times","authors_text":"Yutaka Fujita (Osaka U.)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-08-16T20:00:12Z","title":"Does a Galaxy Fly?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608350","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":"sha256:53a642d530e82a97e6e887047ee76b5ad0036e2dc656f914855ea18fb845d574","target":"record","created_at":"2026-05-18T01:40:29Z","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":"0f9e5ea958337aa7b719446b8245c8fecccf09a65cfd44f91e416ec969a5557c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-16T20:00:12Z","title_canon_sha256":"08b2f9092cde114174d1f39218e9ae986dd2b57930b60b3ce58e0a2c9ae94b11"},"schema_version":"1.0","source":{"id":"astro-ph/0608350","kind":"arxiv","version":1}},"canonical_sha256":"dcecdd3b62cc609746d3d3a016512ad95ed61247783a16b81472eab6ba0cdecf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcecdd3b62cc609746d3d3a016512ad95ed61247783a16b81472eab6ba0cdecf","first_computed_at":"2026-05-18T01:40:29.913843Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:29.913843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AQkhqI4i/IN86rMHAmV+NOh8foyu5R+HFzwQ2xaEW7av7bGzvyp/vjP+0Ijr6akIFeSSIdGg8l++OeZoa9a/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:29.914466Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0608350","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53a642d530e82a97e6e887047ee76b5ad0036e2dc656f914855ea18fb845d574","sha256:b9bf0226d96a3750c51d96659502791bfeadae1aff2aea0618cb29df694ef6c5"],"state_sha256":"185292190b39fd97b60d25be2e18a6ecad5ebcb00545de1bff2a349b7a089d5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JBk+aoqG8mql+lUwLi8N0ZZL8i7c0U/d+fqC0PtNdybssrrHUdbgG5PpxMlO8VmJrfywA5yqvYWzB6QUIDBiCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T20:28:36.216614Z","bundle_sha256":"7ebf6eb39e14d46cc850652054daf7d28d851e688cee5cd40f3c3ea38e7a23ae"}}