{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:ZCTCMMQHTFGQAGEX7B2WYX456Z","short_pith_number":"pith:ZCTCMMQH","canonical_record":{"source":{"id":"astro-ph/0608525","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-24T15:52:07Z","cross_cats_sorted":[],"title_canon_sha256":"db92db854a2f444f3e4640f1f1abe2607f301febd1d7444645142192bbae8948","abstract_canon_sha256":"2f717ef9eb3740f9b0b2c8d6b3582ce3b8b54bc1acd52e746267ebc76cb80c70"},"schema_version":"1.0"},"canonical_sha256":"c8a6263207994d001897f8756c5f9df64a443b3703bcaf3822f41ebbeaf57748","source":{"kind":"arxiv","id":"astro-ph/0608525","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608525","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608525v1","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608525","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"pith_short_12","alias_value":"ZCTCMMQHTFGQ","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"ZCTCMMQHTFGQAGEX","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"ZCTCMMQH","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:ZCTCMMQHTFGQAGEX7B2WYX456Z","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0608525","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-24T15:52:07Z","cross_cats_sorted":[],"title_canon_sha256":"db92db854a2f444f3e4640f1f1abe2607f301febd1d7444645142192bbae8948","abstract_canon_sha256":"2f717ef9eb3740f9b0b2c8d6b3582ce3b8b54bc1acd52e746267ebc76cb80c70"},"schema_version":"1.0"},"canonical_sha256":"c8a6263207994d001897f8756c5f9df64a443b3703bcaf3822f41ebbeaf57748","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:43.047988Z","signature_b64":"0GkbDb9t8eN3bc11DBM9Sj7UuD4mW7neD3QvfU1Q03TbyayXNRwGf8UsulViMrZZmrY0WhRtZF6irUxsTQNKDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8a6263207994d001897f8756c5f9df64a443b3703bcaf3822f41ebbeaf57748","last_reissued_at":"2026-05-18T03:47:43.047591Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:43.047591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0608525","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":"2026-05-18T03:47:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TwRpdOt8fZmS31VxNqFiFHyFMwf8Wri34mNwVFNiB9BFlZBwmY9VqZsrJ56dRNyiyL4VBN/etUB8MEPmTCwTCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:20:28.879477Z"},"content_sha256":"733f62950285b54e5b3866d351cac63dc64c06b2886c60965e5878da1dfa84f7","schema_version":"1.0","event_id":"sha256:733f62950285b54e5b3866d351cac63dc64c06b2886c60965e5878da1dfa84f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:ZCTCMMQHTFGQAGEX7B2WYX456Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The distribution of maser stars in the inner Milky Way: the effect of a weak, rotating bar","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"G. van de Ven, H.J. Habing, K. Kuijken: the ROTBAR consortium, M. Messineo, M.N. Sevenster","submitted_at":"2006-08-24T15:52:07Z","abstract_excerpt":"We derive the distribution of maser stars in the inner Milky Way (MW) based on an analysis of lV-diagrams (lVd) for two samples of maser stars: 771 OH/IR stars and 363 SiO-maser stars. They are all close to the plane of the MW and have long. from -45 to +45deg. The two lVds are compared and found to be very similar. They also compare well with the lVd of interstellar CO, but there are significant differences in detail between the stellar lVds and that of the ISM. Based on the qualitative discussion we divide the lVds into seven areas. In each area we compare the number of stars observed with t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608525","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":"2026-05-18T03:47:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MQSc5KvH/sYi7PhpldDb/pHp/5uyKCwKGqQHHP8mCg+b1ZF/AFE9WbGEPVs4n9YYYJ4jkR0MUKILV8+HTlu0Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T16:20:28.879859Z"},"content_sha256":"4e62cf6104b34b30624d1d4a2358115e57e75824d1faf62ae00d1313015c3182","schema_version":"1.0","event_id":"sha256:4e62cf6104b34b30624d1d4a2358115e57e75824d1faf62ae00d1313015c3182"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZCTCMMQHTFGQAGEX7B2WYX456Z/bundle.json","state_url":"https://pith.science/pith/ZCTCMMQHTFGQAGEX7B2WYX456Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZCTCMMQHTFGQAGEX7B2WYX456Z/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":"2026-05-20T16:20:28Z","links":{"resolver":"https://pith.science/pith/ZCTCMMQHTFGQAGEX7B2WYX456Z","bundle":"https://pith.science/pith/ZCTCMMQHTFGQAGEX7B2WYX456Z/bundle.json","state":"https://pith.science/pith/ZCTCMMQHTFGQAGEX7B2WYX456Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZCTCMMQHTFGQAGEX7B2WYX456Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:ZCTCMMQHTFGQAGEX7B2WYX456Z","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":"2f717ef9eb3740f9b0b2c8d6b3582ce3b8b54bc1acd52e746267ebc76cb80c70","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-24T15:52:07Z","title_canon_sha256":"db92db854a2f444f3e4640f1f1abe2607f301febd1d7444645142192bbae8948"},"schema_version":"1.0","source":{"id":"astro-ph/0608525","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0608525","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0608525v1","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0608525","created_at":"2026-05-18T03:47:43Z"},{"alias_kind":"pith_short_12","alias_value":"ZCTCMMQHTFGQ","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"ZCTCMMQHTFGQAGEX","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"ZCTCMMQH","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:4e62cf6104b34b30624d1d4a2358115e57e75824d1faf62ae00d1313015c3182","target":"graph","created_at":"2026-05-18T03:47:43Z","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 derive the distribution of maser stars in the inner Milky Way (MW) based on an analysis of lV-diagrams (lVd) for two samples of maser stars: 771 OH/IR stars and 363 SiO-maser stars. They are all close to the plane of the MW and have long. from -45 to +45deg. The two lVds are compared and found to be very similar. They also compare well with the lVd of interstellar CO, but there are significant differences in detail between the stellar lVds and that of the ISM. Based on the qualitative discussion we divide the lVds into seven areas. In each area we compare the number of stars observed with t","authors_text":"G. van de Ven, H.J. Habing, K. Kuijken: the ROTBAR consortium, M. Messineo, M.N. Sevenster","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-08-24T15:52:07Z","title":"The distribution of maser stars in the inner Milky Way: the effect of a weak, rotating bar"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0608525","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":"sha256:733f62950285b54e5b3866d351cac63dc64c06b2886c60965e5878da1dfa84f7","target":"record","created_at":"2026-05-18T03:47:43Z","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":"2f717ef9eb3740f9b0b2c8d6b3582ce3b8b54bc1acd52e746267ebc76cb80c70","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-08-24T15:52:07Z","title_canon_sha256":"db92db854a2f444f3e4640f1f1abe2607f301febd1d7444645142192bbae8948"},"schema_version":"1.0","source":{"id":"astro-ph/0608525","kind":"arxiv","version":1}},"canonical_sha256":"c8a6263207994d001897f8756c5f9df64a443b3703bcaf3822f41ebbeaf57748","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8a6263207994d001897f8756c5f9df64a443b3703bcaf3822f41ebbeaf57748","first_computed_at":"2026-05-18T03:47:43.047591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:43.047591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0GkbDb9t8eN3bc11DBM9Sj7UuD4mW7neD3QvfU1Q03TbyayXNRwGf8UsulViMrZZmrY0WhRtZF6irUxsTQNKDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:43.047988Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0608525","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:733f62950285b54e5b3866d351cac63dc64c06b2886c60965e5878da1dfa84f7","sha256:4e62cf6104b34b30624d1d4a2358115e57e75824d1faf62ae00d1313015c3182"],"state_sha256":"ed4b670cd0061ea5e513e76e002ef729858e7c78638154ce0e27989c1bde7aa6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sMc0I1rMgtaARSxHNxyfuwGFGCLXdmZStmXtRKUhDHWWrilE3tSqVYXWkPpuTcJZPq/Nk1MQ24QXQ6vsXTMeDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T16:20:28.881770Z","bundle_sha256":"ee9c9f85c17431102049ea1917f3c581b15aa04040d302fdde395b1461e0b61f"}}