{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KELLIBPHD7WMCNFPQJ5UC3BZVV","short_pith_number":"pith:KELLIBPH","canonical_record":{"source":{"id":"1804.04931","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-13T13:21:41Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"230b3ccdf7782ddb3f61017df75709219531c028fdfe3c72e42b8e51a36a2918","abstract_canon_sha256":"5377ace1c9705a3c0f85ca15fa273881458961e4dd190b234b85560fa907bedc"},"schema_version":"1.0"},"canonical_sha256":"5116b405e71fecc134af827b416c39ad4f23562c8bf127216f89256fbf45817f","source":{"kind":"arxiv","id":"1804.04931","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04931","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04931v1","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04931","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"pith_short_12","alias_value":"KELLIBPHD7WM","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KELLIBPHD7WMCNFP","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KELLIBPH","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KELLIBPHD7WMCNFPQJ5UC3BZVV","target":"record","payload":{"canonical_record":{"source":{"id":"1804.04931","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-13T13:21:41Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"230b3ccdf7782ddb3f61017df75709219531c028fdfe3c72e42b8e51a36a2918","abstract_canon_sha256":"5377ace1c9705a3c0f85ca15fa273881458961e4dd190b234b85560fa907bedc"},"schema_version":"1.0"},"canonical_sha256":"5116b405e71fecc134af827b416c39ad4f23562c8bf127216f89256fbf45817f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:54.738529Z","signature_b64":"jf41WP+MqLrg8GmUhhVD9ExU2osn+Du4qASiavG4FywSXUpiO5BzQa/+VK8nbJ7cXpwFLKlrtYpZdylwncdwCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5116b405e71fecc134af827b416c39ad4f23562c8bf127216f89256fbf45817f","last_reissued_at":"2026-05-18T00:15:54.737767Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:54.737767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.04931","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":"2026-05-18T00:15:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aaWFg3l3Y/7MMFvFErbTFJeXPrBhsLCe0Cz4GemfdLF04164/2Wnf/kODDoPe6KJ747gVDe/9ERIWszkKFQ4DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:33:56.564562Z"},"content_sha256":"45f4aff19922049c8b7826f607de0efa33a55ecefadc6de16a0ba8a2989affa3","schema_version":"1.0","event_id":"sha256:45f4aff19922049c8b7826f607de0efa33a55ecefadc6de16a0ba8a2989affa3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KELLIBPHD7WMCNFPQJ5UC3BZVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impact of distance determinations on Galactic structure. I. Young and intermediate-age tracers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Giuseppe Bono, Laura Inno, Noriyuki Matsunaga, Richard de Grijs, Shogo Nishiyama, Xiaodian Chen","submitted_at":"2018-04-13T13:21:41Z","abstract_excerpt":"Here we discuss impacts of distance determinations on the Galactic disk traced by relatively young objects. The Galactic disk, about 40 kpc in diameter, is a cross-road of studies on the methods of measuring distances, interstellar extinction, evolution of galaxies, and other subjects of interest in astronomy. A proper treatment of interstellar extinction is, for example, crucial for estimating distances to stars in the disk outside the small range of the solar neighborhood. We'll review the current status of relevant studies and discuss some new approaches to the extinction law. When the exti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04931","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":"2026-05-18T00:15:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BEcddOdSbMSpJKwQc1OIqIz9yqRMuKk91Dt6079eXXKoEBpZk+chIKu2VSsuNQ/rqwg26RgCVAfF1dS/9KAmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:33:56.564911Z"},"content_sha256":"52a982fe4262b4ae1f395e34c4660fb220d5a5802784a987d825466cf1ff30ff","schema_version":"1.0","event_id":"sha256:52a982fe4262b4ae1f395e34c4660fb220d5a5802784a987d825466cf1ff30ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KELLIBPHD7WMCNFPQJ5UC3BZVV/bundle.json","state_url":"https://pith.science/pith/KELLIBPHD7WMCNFPQJ5UC3BZVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KELLIBPHD7WMCNFPQJ5UC3BZVV/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":"2026-06-01T17:33:56Z","links":{"resolver":"https://pith.science/pith/KELLIBPHD7WMCNFPQJ5UC3BZVV","bundle":"https://pith.science/pith/KELLIBPHD7WMCNFPQJ5UC3BZVV/bundle.json","state":"https://pith.science/pith/KELLIBPHD7WMCNFPQJ5UC3BZVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KELLIBPHD7WMCNFPQJ5UC3BZVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KELLIBPHD7WMCNFPQJ5UC3BZVV","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":"5377ace1c9705a3c0f85ca15fa273881458961e4dd190b234b85560fa907bedc","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-13T13:21:41Z","title_canon_sha256":"230b3ccdf7782ddb3f61017df75709219531c028fdfe3c72e42b8e51a36a2918"},"schema_version":"1.0","source":{"id":"1804.04931","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.04931","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"arxiv_version","alias_value":"1804.04931v1","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.04931","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"pith_short_12","alias_value":"KELLIBPHD7WM","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KELLIBPHD7WMCNFP","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KELLIBPH","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:52a982fe4262b4ae1f395e34c4660fb220d5a5802784a987d825466cf1ff30ff","target":"graph","created_at":"2026-05-18T00:15:54Z","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":"Here we discuss impacts of distance determinations on the Galactic disk traced by relatively young objects. The Galactic disk, about 40 kpc in diameter, is a cross-road of studies on the methods of measuring distances, interstellar extinction, evolution of galaxies, and other subjects of interest in astronomy. A proper treatment of interstellar extinction is, for example, crucial for estimating distances to stars in the disk outside the small range of the solar neighborhood. We'll review the current status of relevant studies and discuss some new approaches to the extinction law. When the exti","authors_text":"Giuseppe Bono, Laura Inno, Noriyuki Matsunaga, Richard de Grijs, Shogo Nishiyama, Xiaodian Chen","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-13T13:21:41Z","title":"Impact of distance determinations on Galactic structure. I. Young and intermediate-age tracers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.04931","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":"sha256:45f4aff19922049c8b7826f607de0efa33a55ecefadc6de16a0ba8a2989affa3","target":"record","created_at":"2026-05-18T00:15:54Z","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":"5377ace1c9705a3c0f85ca15fa273881458961e4dd190b234b85560fa907bedc","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-13T13:21:41Z","title_canon_sha256":"230b3ccdf7782ddb3f61017df75709219531c028fdfe3c72e42b8e51a36a2918"},"schema_version":"1.0","source":{"id":"1804.04931","kind":"arxiv","version":1}},"canonical_sha256":"5116b405e71fecc134af827b416c39ad4f23562c8bf127216f89256fbf45817f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5116b405e71fecc134af827b416c39ad4f23562c8bf127216f89256fbf45817f","first_computed_at":"2026-05-18T00:15:54.737767Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:54.737767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jf41WP+MqLrg8GmUhhVD9ExU2osn+Du4qASiavG4FywSXUpiO5BzQa/+VK8nbJ7cXpwFLKlrtYpZdylwncdwCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:54.738529Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.04931","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45f4aff19922049c8b7826f607de0efa33a55ecefadc6de16a0ba8a2989affa3","sha256:52a982fe4262b4ae1f395e34c4660fb220d5a5802784a987d825466cf1ff30ff"],"state_sha256":"a75379a7eeae1144889678a3da50ce6964ebb6dea5aa1eee663e875a04e6c8ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QwEUBPMc+d3LklXYap+oxckN1obFXALeDIb3y2RMjsngoiHadC4XiZQLOM8Cx0zHifBTW1IY0W8biMsFXtOMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:33:56.567125Z","bundle_sha256":"2e3768b85504ff26d05f273543a7af7b3c7c6d95165465ac3f525939f5627ed9"}}