{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:34OSINB26YXMNGHP2DMZYSVYRZ","short_pith_number":"pith:34OSINB2","canonical_record":{"source":{"id":"1905.08593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-05-21T12:58:33Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"799e73b4b32de846d3c92b3b38a293939b1914aec55acf854e6c18d69317a4ae","abstract_canon_sha256":"a1aa459d69897c930ec85f0cd0fb368d4e5d0afc849bbcf3363e1752a6b90f8b"},"schema_version":"1.0"},"canonical_sha256":"df1d24343af62ec698efd0d99c4ab88e6a8bdd8ef5d361d97ec491da0b0ba51a","source":{"kind":"arxiv","id":"1905.08593","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08593","created_at":"2026-05-17T23:45:19Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08593v1","created_at":"2026-05-17T23:45:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08593","created_at":"2026-05-17T23:45:19Z"},{"alias_kind":"pith_short_12","alias_value":"34OSINB26YXM","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"34OSINB26YXMNGHP","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"34OSINB2","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:34OSINB26YXMNGHP2DMZYSVYRZ","target":"record","payload":{"canonical_record":{"source":{"id":"1905.08593","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-05-21T12:58:33Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"799e73b4b32de846d3c92b3b38a293939b1914aec55acf854e6c18d69317a4ae","abstract_canon_sha256":"a1aa459d69897c930ec85f0cd0fb368d4e5d0afc849bbcf3363e1752a6b90f8b"},"schema_version":"1.0"},"canonical_sha256":"df1d24343af62ec698efd0d99c4ab88e6a8bdd8ef5d361d97ec491da0b0ba51a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:19.750777Z","signature_b64":"47ePgVodptsEKjfJRrPKL0djE6pISWfLWx4zW9g8QBNPRGRSsJ3eeTbJ6rin+FTDxEouKhrDkUpAY08OrriUCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df1d24343af62ec698efd0d99c4ab88e6a8bdd8ef5d361d97ec491da0b0ba51a","last_reissued_at":"2026-05-17T23:45:19.750062Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:19.750062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.08593","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":"2026-05-17T23:45:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fljbw+okyexlJl0BdHyW5Vc1D9g5iLp3A8rYa/MQCqVKNJejUeIWmkxXTvQbk3PAe1gyzOt4lzyDsInVe1tcAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:49:59.840060Z"},"content_sha256":"e72e5cb647206fa94dc0df3ea1ce19bd1ceb262d788f3524963b10b79562e9ba","schema_version":"1.0","event_id":"sha256:e72e5cb647206fa94dc0df3ea1ce19bd1ceb262d788f3524963b10b79562e9ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:34OSINB26YXMNGHP2DMZYSVYRZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gaia-DR2 distance to the W3 Complex in the Perseus Arm","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.SR","authors_text":"Augusto Damineli, Felipe Navarete, Phillip A. B. Galli","submitted_at":"2019-05-21T12:58:33Z","abstract_excerpt":"The Perseus Arm is the closest Galactic spiral arm from the Sun, offering an excellent opportunity to study in detail its stellar population. However, its distance has been controversial with discrepancies by a factor of two. Kinematic distances are in the range 3.9-4.2 kpc as compared to 1.9-2.3 kpc from spectrophotometric and trigonometric parallaxes, reinforcing previous claims that this arm exhibits peculiar velocities. We used the astrometric information of a sample of 31 OB stars from the star-forming W3 Complex to identify another 37 W3 members and to derive its distance from their Gaia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08593","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":"2026-05-17T23:45:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3uKmz7qj9F3/X6Xf/9Zvbhe5yq/FhTWFnxxKcylonoShdAFhi9FjPOeq/xVwp2excduiTff2Nm2t0TC6M2kWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:49:59.840446Z"},"content_sha256":"da0adf80f57d2bdcef5d4829294c2344d4c016aaeb0e111530460a27c1800882","schema_version":"1.0","event_id":"sha256:da0adf80f57d2bdcef5d4829294c2344d4c016aaeb0e111530460a27c1800882"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/34OSINB26YXMNGHP2DMZYSVYRZ/bundle.json","state_url":"https://pith.science/pith/34OSINB26YXMNGHP2DMZYSVYRZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/34OSINB26YXMNGHP2DMZYSVYRZ/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":"2026-06-06T19:49:59Z","links":{"resolver":"https://pith.science/pith/34OSINB26YXMNGHP2DMZYSVYRZ","bundle":"https://pith.science/pith/34OSINB26YXMNGHP2DMZYSVYRZ/bundle.json","state":"https://pith.science/pith/34OSINB26YXMNGHP2DMZYSVYRZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/34OSINB26YXMNGHP2DMZYSVYRZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:34OSINB26YXMNGHP2DMZYSVYRZ","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":"a1aa459d69897c930ec85f0cd0fb368d4e5d0afc849bbcf3363e1752a6b90f8b","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-05-21T12:58:33Z","title_canon_sha256":"799e73b4b32de846d3c92b3b38a293939b1914aec55acf854e6c18d69317a4ae"},"schema_version":"1.0","source":{"id":"1905.08593","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.08593","created_at":"2026-05-17T23:45:19Z"},{"alias_kind":"arxiv_version","alias_value":"1905.08593v1","created_at":"2026-05-17T23:45:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08593","created_at":"2026-05-17T23:45:19Z"},{"alias_kind":"pith_short_12","alias_value":"34OSINB26YXM","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"34OSINB26YXMNGHP","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"34OSINB2","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:da0adf80f57d2bdcef5d4829294c2344d4c016aaeb0e111530460a27c1800882","target":"graph","created_at":"2026-05-17T23:45:19Z","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"},"paper":{"abstract_excerpt":"The Perseus Arm is the closest Galactic spiral arm from the Sun, offering an excellent opportunity to study in detail its stellar population. However, its distance has been controversial with discrepancies by a factor of two. Kinematic distances are in the range 3.9-4.2 kpc as compared to 1.9-2.3 kpc from spectrophotometric and trigonometric parallaxes, reinforcing previous claims that this arm exhibits peculiar velocities. We used the astrometric information of a sample of 31 OB stars from the star-forming W3 Complex to identify another 37 W3 members and to derive its distance from their Gaia","authors_text":"Augusto Damineli, Felipe Navarete, Phillip A. B. Galli","cross_cats":["astro-ph.GA","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-05-21T12:58:33Z","title":"Gaia-DR2 distance to the W3 Complex in the Perseus Arm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08593","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:e72e5cb647206fa94dc0df3ea1ce19bd1ceb262d788f3524963b10b79562e9ba","target":"record","created_at":"2026-05-17T23:45:19Z","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":"a1aa459d69897c930ec85f0cd0fb368d4e5d0afc849bbcf3363e1752a6b90f8b","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-05-21T12:58:33Z","title_canon_sha256":"799e73b4b32de846d3c92b3b38a293939b1914aec55acf854e6c18d69317a4ae"},"schema_version":"1.0","source":{"id":"1905.08593","kind":"arxiv","version":1}},"canonical_sha256":"df1d24343af62ec698efd0d99c4ab88e6a8bdd8ef5d361d97ec491da0b0ba51a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df1d24343af62ec698efd0d99c4ab88e6a8bdd8ef5d361d97ec491da0b0ba51a","first_computed_at":"2026-05-17T23:45:19.750062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:19.750062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"47ePgVodptsEKjfJRrPKL0djE6pISWfLWx4zW9g8QBNPRGRSsJ3eeTbJ6rin+FTDxEouKhrDkUpAY08OrriUCw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:19.750777Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.08593","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e72e5cb647206fa94dc0df3ea1ce19bd1ceb262d788f3524963b10b79562e9ba","sha256:da0adf80f57d2bdcef5d4829294c2344d4c016aaeb0e111530460a27c1800882"],"state_sha256":"c962b0e9be411563df9e49528dc29f2275bc9eb899ac80b2bed35a66355e9225"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u52+3TRpvUJZQ4g2VjVlSYtfstxdIIqBqfCvPFX4waE+P7TfkSkozLPxuF6y0FcmVUMAGEiolI6SJJx+qkMZBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:49:59.842860Z","bundle_sha256":"38e3b9360eb7a6d15aa3bc515321bad9935a5abc657b262ba8d7b3acb83f1923"}}