{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:6R2D2JL47NXXIXWV3H6R63M3TQ","short_pith_number":"pith:6R2D2JL4","canonical_record":{"source":{"id":"0706.3206","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-06-21T18:20:55Z","cross_cats_sorted":[],"title_canon_sha256":"22ec0384b23d04e5dd1adea1a7b167a0ce60a2bc8ad658b38f3765e45125e557","abstract_canon_sha256":"054896221aef385ca6d4f3e6323e001155b8c054e41b37b9aef34cfcc0aadb15"},"schema_version":"1.0"},"canonical_sha256":"f4743d257cfb6f745ed5d9fd1f6d9b9c0ef544d92f5ece6a1b814cc1aedd8667","source":{"kind":"arxiv","id":"0706.3206","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.3206","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"arxiv_version","alias_value":"0706.3206v1","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.3206","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"pith_short_12","alias_value":"6R2D2JL47NXX","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"6R2D2JL47NXXIXWV","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"6R2D2JL4","created_at":"2026-05-18T12:25:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:6R2D2JL47NXXIXWV3H6R63M3TQ","target":"record","payload":{"canonical_record":{"source":{"id":"0706.3206","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-06-21T18:20:55Z","cross_cats_sorted":[],"title_canon_sha256":"22ec0384b23d04e5dd1adea1a7b167a0ce60a2bc8ad658b38f3765e45125e557","abstract_canon_sha256":"054896221aef385ca6d4f3e6323e001155b8c054e41b37b9aef34cfcc0aadb15"},"schema_version":"1.0"},"canonical_sha256":"f4743d257cfb6f745ed5d9fd1f6d9b9c0ef544d92f5ece6a1b814cc1aedd8667","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:33.870352Z","signature_b64":"ULH2MFG5YOwNuCE3XlYRCpioWqSXIa1J8yIfBzDRIduFdq0iuC368mRGosYsHKoH3PjMzxIRD2FQSmKuX/CLDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4743d257cfb6f745ed5d9fd1f6d9b9c0ef544d92f5ece6a1b814cc1aedd8667","last_reissued_at":"2026-05-18T04:29:33.869975Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:33.869975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0706.3206","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":"2026-05-18T04:29:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MnW107GY31aiA5longqNsLGe9ym0VM9f5v7aAt6REa6zBFhL3fNk6cHosBdm0pn97d6EeFJ2ghkHoI/nn2z/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:47:27.575511Z"},"content_sha256":"453e30c5ad40a2b521fa4ab23643748345c23faadc6ce817fe8988f7034e1bac","schema_version":"1.0","event_id":"sha256:453e30c5ad40a2b521fa4ab23643748345c23faadc6ce817fe8988f7034e1bac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:6R2D2JL47NXXIXWV3H6R63M3TQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Spectroscopic Study of Mass Outflows in the Interacting Binary RY Scuti","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Kaufer, D. R. Gies, E. D. Grundstrom, M. V. McSwain, N. Smith, O. Stahl, R. D. Gehrz, T. C. Hillwig","submitted_at":"2007-06-21T18:20:55Z","abstract_excerpt":"The massive interacting binary RY Scuti is an important representative of an active mass-transferring system that is changing before our eyes and which may be an example of the formation of a Wolf-Rayet star through tidal stripping. Utilizing new and previously published spectra, we present examples of how a number of illustrative absorption and emission features vary during the binary orbit. We identify spectral features associated with each component, calculate a new, double-lined spectroscopic binary orbit, and find masses of 7.1 +/- 1.2 M_sun for the bright supergiant and 30.0 +/- 2.1 M_su"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.3206","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":"2026-05-18T04:29:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S6/b4MEav2mctm5+BtGDZpjiH8rDuSBzTuF6d1+wqBsV2mUrDhseNqBCP9vE2ndNDGxxQrbQ9LBIEdGYvJ6YDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T19:47:27.576226Z"},"content_sha256":"d3591e653d1c0a715953a8ff28d71a4528f5c55f0ac4d50c7f005127caf8f829","schema_version":"1.0","event_id":"sha256:d3591e653d1c0a715953a8ff28d71a4528f5c55f0ac4d50c7f005127caf8f829"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6R2D2JL47NXXIXWV3H6R63M3TQ/bundle.json","state_url":"https://pith.science/pith/6R2D2JL47NXXIXWV3H6R63M3TQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6R2D2JL47NXXIXWV3H6R63M3TQ/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":"2026-06-06T19:47:27Z","links":{"resolver":"https://pith.science/pith/6R2D2JL47NXXIXWV3H6R63M3TQ","bundle":"https://pith.science/pith/6R2D2JL47NXXIXWV3H6R63M3TQ/bundle.json","state":"https://pith.science/pith/6R2D2JL47NXXIXWV3H6R63M3TQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6R2D2JL47NXXIXWV3H6R63M3TQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:6R2D2JL47NXXIXWV3H6R63M3TQ","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":"054896221aef385ca6d4f3e6323e001155b8c054e41b37b9aef34cfcc0aadb15","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-06-21T18:20:55Z","title_canon_sha256":"22ec0384b23d04e5dd1adea1a7b167a0ce60a2bc8ad658b38f3765e45125e557"},"schema_version":"1.0","source":{"id":"0706.3206","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.3206","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"arxiv_version","alias_value":"0706.3206v1","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.3206","created_at":"2026-05-18T04:29:33Z"},{"alias_kind":"pith_short_12","alias_value":"6R2D2JL47NXX","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"6R2D2JL47NXXIXWV","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"6R2D2JL4","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:d3591e653d1c0a715953a8ff28d71a4528f5c55f0ac4d50c7f005127caf8f829","target":"graph","created_at":"2026-05-18T04:29:33Z","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 massive interacting binary RY Scuti is an important representative of an active mass-transferring system that is changing before our eyes and which may be an example of the formation of a Wolf-Rayet star through tidal stripping. Utilizing new and previously published spectra, we present examples of how a number of illustrative absorption and emission features vary during the binary orbit. We identify spectral features associated with each component, calculate a new, double-lined spectroscopic binary orbit, and find masses of 7.1 +/- 1.2 M_sun for the bright supergiant and 30.0 +/- 2.1 M_su","authors_text":"A. Kaufer, D. R. Gies, E. D. Grundstrom, M. V. McSwain, N. Smith, O. Stahl, R. D. Gehrz, T. C. Hillwig","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-06-21T18:20:55Z","title":"A Spectroscopic Study of Mass Outflows in the Interacting Binary RY Scuti"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.3206","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":"sha256:453e30c5ad40a2b521fa4ab23643748345c23faadc6ce817fe8988f7034e1bac","target":"record","created_at":"2026-05-18T04:29:33Z","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":"054896221aef385ca6d4f3e6323e001155b8c054e41b37b9aef34cfcc0aadb15","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-06-21T18:20:55Z","title_canon_sha256":"22ec0384b23d04e5dd1adea1a7b167a0ce60a2bc8ad658b38f3765e45125e557"},"schema_version":"1.0","source":{"id":"0706.3206","kind":"arxiv","version":1}},"canonical_sha256":"f4743d257cfb6f745ed5d9fd1f6d9b9c0ef544d92f5ece6a1b814cc1aedd8667","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4743d257cfb6f745ed5d9fd1f6d9b9c0ef544d92f5ece6a1b814cc1aedd8667","first_computed_at":"2026-05-18T04:29:33.869975Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:33.869975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ULH2MFG5YOwNuCE3XlYRCpioWqSXIa1J8yIfBzDRIduFdq0iuC368mRGosYsHKoH3PjMzxIRD2FQSmKuX/CLDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:33.870352Z","signed_message":"canonical_sha256_bytes"},"source_id":"0706.3206","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:453e30c5ad40a2b521fa4ab23643748345c23faadc6ce817fe8988f7034e1bac","sha256:d3591e653d1c0a715953a8ff28d71a4528f5c55f0ac4d50c7f005127caf8f829"],"state_sha256":"33113c237007d106d83a59f31669538d8da66d0a4f5e4a78f6155ab8aae9e0ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z/elLPi4XkoBqywh1Uel+pa/s8pgBPArBhu9wUffzchNUE1iy3hE3b5465aBc35YuGWK3CRL0baW4SDY6czYCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T19:47:27.580228Z","bundle_sha256":"3ff73857b034c1dd83a9baf205f61a61611ac0febd3f1bb8934ad29f8ca0ecd5"}}