{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:KIOFLO7MT4BVYXBXHSSES23DW6","short_pith_number":"pith:KIOFLO7M","canonical_record":{"source":{"id":"0810.5570","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-30T20:15:01Z","cross_cats_sorted":[],"title_canon_sha256":"32ecb45969064599eed47bafbc2e745d6d42d4585207a5fbbeca6071af77fa33","abstract_canon_sha256":"3beb9e3ef744e74830fde9b3c0ef5c7d98aeae9697b41febb461c8dd9056e74d"},"schema_version":"1.0"},"canonical_sha256":"521c55bbec9f035c5c373ca4496b63b7b0a609fb373a7877b7fedb17fc5d7018","source":{"kind":"arxiv","id":"0810.5570","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.5570","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"arxiv_version","alias_value":"0810.5570v1","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.5570","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"pith_short_12","alias_value":"KIOFLO7MT4BV","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"pith_short_16","alias_value":"KIOFLO7MT4BVYXBX","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"pith_short_8","alias_value":"KIOFLO7M","created_at":"2026-07-04T15:34:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:KIOFLO7MT4BVYXBXHSSES23DW6","target":"record","payload":{"canonical_record":{"source":{"id":"0810.5570","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-30T20:15:01Z","cross_cats_sorted":[],"title_canon_sha256":"32ecb45969064599eed47bafbc2e745d6d42d4585207a5fbbeca6071af77fa33","abstract_canon_sha256":"3beb9e3ef744e74830fde9b3c0ef5c7d98aeae9697b41febb461c8dd9056e74d"},"schema_version":"1.0"},"canonical_sha256":"521c55bbec9f035c5c373ca4496b63b7b0a609fb373a7877b7fedb17fc5d7018","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:34:19.874918Z","signature_b64":"xKJ97u+tIdGdZrQqOBXJSH4p3dVzOO579lV9Nu2t249CaMILSGwhkDRMzh/6XG3zbVPmMwE3A3guI7Bz9HWqAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"521c55bbec9f035c5c373ca4496b63b7b0a609fb373a7877b7fedb17fc5d7018","last_reissued_at":"2026-07-04T15:34:19.874524Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:34:19.874524Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.5570","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":"2026-07-04T15:34:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZexdkXktbpr6ZYF5u2jaEkBpGJdhE8hXBiIfxZlWRJXvTIypNVirljnejJCV7q4jljCGjzBselJ40GpICwPUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T02:20:09.937926Z"},"content_sha256":"683be4b26b3df99066728e4b77edc9f9fb5efba166073947653a66462ace9297","schema_version":"1.0","event_id":"sha256:683be4b26b3df99066728e4b77edc9f9fb5efba166073947653a66462ace9297"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:KIOFLO7MT4BVYXBXHSSES23DW6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resolution of the Distance Ambiguity for Galactic HII Regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"L. D. Anderson, T. M. Bania","submitted_at":"2008-10-30T20:15:01Z","abstract_excerpt":"We resolve the kinematic distance ambiguity for 266 inner Galaxy HII regions out of a sample of 291 using existing HI and 13CO sky surveys. Our sample contains all HII regions with measured radio recombination line (RRL) emission over the extent of the 13CO Boston University-Five College Radio Astronomy Observatory Galactic Ring Survey (18 deg, < l < 55 deg. and |b| < 1) and contains ultra compact, compact, and diffuse HII regions. We use two methods for resolving the distance ambiguity for each HII region: HI emission/absorption (HIEA) and HI self-absorption (HISA). We find that the HIEA and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.5570","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0810.5570/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:34:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hfUvwfSLPDN+6fW0JgPwGR/92Y+cvUznZq1xrK0Q2SuiR2jVDO7LSFYsMMBEzmLtggandPu3lcNDjfWWiSGJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T02:20:09.938299Z"},"content_sha256":"fe876723172e66c5feea219474dc94d35f10438095f632ef1570779514375b50","schema_version":"1.0","event_id":"sha256:fe876723172e66c5feea219474dc94d35f10438095f632ef1570779514375b50"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KIOFLO7MT4BVYXBXHSSES23DW6/bundle.json","state_url":"https://pith.science/pith/KIOFLO7MT4BVYXBXHSSES23DW6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KIOFLO7MT4BVYXBXHSSES23DW6/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":"2026-07-22T02:20:09Z","links":{"resolver":"https://pith.science/pith/KIOFLO7MT4BVYXBXHSSES23DW6","bundle":"https://pith.science/pith/KIOFLO7MT4BVYXBXHSSES23DW6/bundle.json","state":"https://pith.science/pith/KIOFLO7MT4BVYXBXHSSES23DW6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KIOFLO7MT4BVYXBXHSSES23DW6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:KIOFLO7MT4BVYXBXHSSES23DW6","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":"3beb9e3ef744e74830fde9b3c0ef5c7d98aeae9697b41febb461c8dd9056e74d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-30T20:15:01Z","title_canon_sha256":"32ecb45969064599eed47bafbc2e745d6d42d4585207a5fbbeca6071af77fa33"},"schema_version":"1.0","source":{"id":"0810.5570","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.5570","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"arxiv_version","alias_value":"0810.5570v1","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.5570","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"pith_short_12","alias_value":"KIOFLO7MT4BV","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"pith_short_16","alias_value":"KIOFLO7MT4BVYXBX","created_at":"2026-07-04T15:34:19Z"},{"alias_kind":"pith_short_8","alias_value":"KIOFLO7M","created_at":"2026-07-04T15:34:19Z"}],"graph_snapshots":[{"event_id":"sha256:fe876723172e66c5feea219474dc94d35f10438095f632ef1570779514375b50","target":"graph","created_at":"2026-07-04T15:34:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0810.5570/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We resolve the kinematic distance ambiguity for 266 inner Galaxy HII regions out of a sample of 291 using existing HI and 13CO sky surveys. Our sample contains all HII regions with measured radio recombination line (RRL) emission over the extent of the 13CO Boston University-Five College Radio Astronomy Observatory Galactic Ring Survey (18 deg, < l < 55 deg. and |b| < 1) and contains ultra compact, compact, and diffuse HII regions. We use two methods for resolving the distance ambiguity for each HII region: HI emission/absorption (HIEA) and HI self-absorption (HISA). We find that the HIEA and ","authors_text":"L. D. Anderson, T. M. Bania","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-30T20:15:01Z","title":"Resolution of the Distance Ambiguity for Galactic HII Regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.5570","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":"sha256:683be4b26b3df99066728e4b77edc9f9fb5efba166073947653a66462ace9297","target":"record","created_at":"2026-07-04T15:34:19Z","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":"3beb9e3ef744e74830fde9b3c0ef5c7d98aeae9697b41febb461c8dd9056e74d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-30T20:15:01Z","title_canon_sha256":"32ecb45969064599eed47bafbc2e745d6d42d4585207a5fbbeca6071af77fa33"},"schema_version":"1.0","source":{"id":"0810.5570","kind":"arxiv","version":1}},"canonical_sha256":"521c55bbec9f035c5c373ca4496b63b7b0a609fb373a7877b7fedb17fc5d7018","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"521c55bbec9f035c5c373ca4496b63b7b0a609fb373a7877b7fedb17fc5d7018","first_computed_at":"2026-07-04T15:34:19.874524Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:34:19.874524Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xKJ97u+tIdGdZrQqOBXJSH4p3dVzOO579lV9Nu2t249CaMILSGwhkDRMzh/6XG3zbVPmMwE3A3guI7Bz9HWqAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:34:19.874918Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.5570","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:683be4b26b3df99066728e4b77edc9f9fb5efba166073947653a66462ace9297","sha256:fe876723172e66c5feea219474dc94d35f10438095f632ef1570779514375b50"],"state_sha256":"6740f4a9511e385dfc1a564c206ea1bfdc13ee4ee64d6f6ed2259099e396d282"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cb/74FvXklYuBpbJas4C3YTk903xzK5mAOqx65zN7lj2k6QFHJffQVfSsGXBOeWCLOR8XSSu15jVAO+K3rjECQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T02:20:09.940398Z","bundle_sha256":"4208ea7690ccf8bfaf1d310c97655124cd6ce00bcf293a46998127e0de0f48a5"}}