{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:EQ72HCA7ULL5LSTZVDHCFVY2DG","short_pith_number":"pith:EQ72HCA7","canonical_record":{"source":{"id":"1411.3558","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-13T14:40:09Z","cross_cats_sorted":[],"title_canon_sha256":"61553097fb3ddf6bfecf5bc947efe0d67a0e4a8bf3708f11c86c9dd3468ceb9f","abstract_canon_sha256":"82b7a403f7d701ba7921f1dcbf7441d59c1393481bd1f8c852cf8fc7b17631dd"},"schema_version":"1.0"},"canonical_sha256":"243fa3881fa2d7d5ca79a8ce22d71a199ffc1898392d0f545f08aa382836ce0b","source":{"kind":"arxiv","id":"1411.3558","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.3558","created_at":"2026-05-18T02:28:53Z"},{"alias_kind":"arxiv_version","alias_value":"1411.3558v1","created_at":"2026-05-18T02:28:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.3558","created_at":"2026-05-18T02:28:53Z"},{"alias_kind":"pith_short_12","alias_value":"EQ72HCA7ULL5","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EQ72HCA7ULL5LSTZ","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EQ72HCA7","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:EQ72HCA7ULL5LSTZVDHCFVY2DG","target":"record","payload":{"canonical_record":{"source":{"id":"1411.3558","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-13T14:40:09Z","cross_cats_sorted":[],"title_canon_sha256":"61553097fb3ddf6bfecf5bc947efe0d67a0e4a8bf3708f11c86c9dd3468ceb9f","abstract_canon_sha256":"82b7a403f7d701ba7921f1dcbf7441d59c1393481bd1f8c852cf8fc7b17631dd"},"schema_version":"1.0"},"canonical_sha256":"243fa3881fa2d7d5ca79a8ce22d71a199ffc1898392d0f545f08aa382836ce0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:53.749224Z","signature_b64":"xqqZ3bnVfYh2sFKcIdZx/fecPM4lCSt6F/jRH2mG0moTRksh/zIj9opmPGXr1GbTYdyCo8RPcQYI50HNX0kmCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"243fa3881fa2d7d5ca79a8ce22d71a199ffc1898392d0f545f08aa382836ce0b","last_reissued_at":"2026-05-18T02:28:53.748876Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:53.748876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.3558","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":"2026-05-18T02:28:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8DglV1iEMx9zt2zJO4zB+DzPOWhxV5T5kwJGP3K4jY9dJ/6/HMFoVB1e81o260D8AGQ1cnzv1nqqDU9gbCMDDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:10:23.880013Z"},"content_sha256":"6424f2dd38dbc0880eabf688aca54927f8aa2fc7a0fde082ba802492e0855594","schema_version":"1.0","event_id":"sha256:6424f2dd38dbc0880eabf688aca54927f8aa2fc7a0fde082ba802492e0855594"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:EQ72HCA7ULL5LSTZVDHCFVY2DG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Classical Cepheids in the Galactic outer ring R1R2'","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. K. Dambis, A. M. Mel'nik, A. S. Rastorguev, L. N. Berdnikov, P. Rautiainen","submitted_at":"2014-11-13T14:40:09Z","abstract_excerpt":"The kinematics and distribution of classical Cepheids within ~3 kpc from the Sun suggest the existence of the outer ring R1R2' in the Galaxy. The optimum value of the solar position angle with respect to the major axis of the bar, theta_b, providing the best agreement between the distribution of Cepheids and model particles is theta_b=37 +/- 13 degrees. The kinematical features obtained for Cepheids with negative Galactocentric radial velocity VR are consistent with the solar location near the descending segment of the outer ring R2. The sharp rise of extinction toward of the Galactic center c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.3558","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":"2026-05-18T02:28:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7TyisEbeK6kIYwXFsyJyIxvDJLdnifwQUHahtIDPZgpaSGLO3Ajn8qb4279iXkk88jo3VQ9EUFch/7B5jbGUDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T01:10:23.880721Z"},"content_sha256":"b36ecf811c8560305860fba2dc82d969ac7bac32083bb76bfd8156d65eeb27cd","schema_version":"1.0","event_id":"sha256:b36ecf811c8560305860fba2dc82d969ac7bac32083bb76bfd8156d65eeb27cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EQ72HCA7ULL5LSTZVDHCFVY2DG/bundle.json","state_url":"https://pith.science/pith/EQ72HCA7ULL5LSTZVDHCFVY2DG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EQ72HCA7ULL5LSTZVDHCFVY2DG/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":"2026-05-26T01:10:23Z","links":{"resolver":"https://pith.science/pith/EQ72HCA7ULL5LSTZVDHCFVY2DG","bundle":"https://pith.science/pith/EQ72HCA7ULL5LSTZVDHCFVY2DG/bundle.json","state":"https://pith.science/pith/EQ72HCA7ULL5LSTZVDHCFVY2DG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EQ72HCA7ULL5LSTZVDHCFVY2DG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EQ72HCA7ULL5LSTZVDHCFVY2DG","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":"82b7a403f7d701ba7921f1dcbf7441d59c1393481bd1f8c852cf8fc7b17631dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-13T14:40:09Z","title_canon_sha256":"61553097fb3ddf6bfecf5bc947efe0d67a0e4a8bf3708f11c86c9dd3468ceb9f"},"schema_version":"1.0","source":{"id":"1411.3558","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.3558","created_at":"2026-05-18T02:28:53Z"},{"alias_kind":"arxiv_version","alias_value":"1411.3558v1","created_at":"2026-05-18T02:28:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.3558","created_at":"2026-05-18T02:28:53Z"},{"alias_kind":"pith_short_12","alias_value":"EQ72HCA7ULL5","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EQ72HCA7ULL5LSTZ","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EQ72HCA7","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:b36ecf811c8560305860fba2dc82d969ac7bac32083bb76bfd8156d65eeb27cd","target":"graph","created_at":"2026-05-18T02:28:53Z","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 kinematics and distribution of classical Cepheids within ~3 kpc from the Sun suggest the existence of the outer ring R1R2' in the Galaxy. The optimum value of the solar position angle with respect to the major axis of the bar, theta_b, providing the best agreement between the distribution of Cepheids and model particles is theta_b=37 +/- 13 degrees. The kinematical features obtained for Cepheids with negative Galactocentric radial velocity VR are consistent with the solar location near the descending segment of the outer ring R2. The sharp rise of extinction toward of the Galactic center c","authors_text":"A. K. Dambis, A. M. Mel'nik, A. S. Rastorguev, L. N. Berdnikov, P. Rautiainen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-13T14:40:09Z","title":"Classical Cepheids in the Galactic outer ring R1R2'"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.3558","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":"sha256:6424f2dd38dbc0880eabf688aca54927f8aa2fc7a0fde082ba802492e0855594","target":"record","created_at":"2026-05-18T02:28:53Z","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":"82b7a403f7d701ba7921f1dcbf7441d59c1393481bd1f8c852cf8fc7b17631dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-13T14:40:09Z","title_canon_sha256":"61553097fb3ddf6bfecf5bc947efe0d67a0e4a8bf3708f11c86c9dd3468ceb9f"},"schema_version":"1.0","source":{"id":"1411.3558","kind":"arxiv","version":1}},"canonical_sha256":"243fa3881fa2d7d5ca79a8ce22d71a199ffc1898392d0f545f08aa382836ce0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"243fa3881fa2d7d5ca79a8ce22d71a199ffc1898392d0f545f08aa382836ce0b","first_computed_at":"2026-05-18T02:28:53.748876Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:28:53.748876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xqqZ3bnVfYh2sFKcIdZx/fecPM4lCSt6F/jRH2mG0moTRksh/zIj9opmPGXr1GbTYdyCo8RPcQYI50HNX0kmCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:28:53.749224Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.3558","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6424f2dd38dbc0880eabf688aca54927f8aa2fc7a0fde082ba802492e0855594","sha256:b36ecf811c8560305860fba2dc82d969ac7bac32083bb76bfd8156d65eeb27cd"],"state_sha256":"12ae7e5be14c8163cdb82a97f798cf1e8b2b894d48d5c77408eecb9e209a03eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7sOHPFFDY16KKZ/R3oniZmZmkRCmmygvh9HTGPlGHdRxmpLb5E1b2gtG/zHNt80SW12MPBGgOlvy58Gl3e77DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T01:10:23.884548Z","bundle_sha256":"e9847282f48c3ec362b29f73701a17ac50429761e224852191863fd070eef038"}}