{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:WPQU4OKVNFRUZFA66UST77VEGR","short_pith_number":"pith:WPQU4OKV","canonical_record":{"source":{"id":"2111.09400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-11-17T21:11:39Z","cross_cats_sorted":[],"title_canon_sha256":"5d83763883cffa5b3b70af658e45be39a4cf1899c562016a83f003d94bb26ed4","abstract_canon_sha256":"4602234eb451b8e1f64b5daf2b944c6e44f32c54cf2d1b60fb22092c68c954f4"},"schema_version":"1.0"},"canonical_sha256":"b3e14e395569634c941ef5253ffea434775b1d2c0fa5f780da27c50894cf4e98","source":{"kind":"arxiv","id":"2111.09400","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.09400","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"arxiv_version","alias_value":"2111.09400v1","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.09400","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"pith_short_12","alias_value":"WPQU4OKVNFRU","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"pith_short_16","alias_value":"WPQU4OKVNFRUZFA6","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"pith_short_8","alias_value":"WPQU4OKV","created_at":"2026-07-05T03:33:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:WPQU4OKVNFRUZFA66UST77VEGR","target":"record","payload":{"canonical_record":{"source":{"id":"2111.09400","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-11-17T21:11:39Z","cross_cats_sorted":[],"title_canon_sha256":"5d83763883cffa5b3b70af658e45be39a4cf1899c562016a83f003d94bb26ed4","abstract_canon_sha256":"4602234eb451b8e1f64b5daf2b944c6e44f32c54cf2d1b60fb22092c68c954f4"},"schema_version":"1.0"},"canonical_sha256":"b3e14e395569634c941ef5253ffea434775b1d2c0fa5f780da27c50894cf4e98","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:33:35.680176Z","signature_b64":"/QC5bP8QeYxupoNi8BN9UPud0iSdPxScVti/7jDdPaTRkH8DMdFpPp75Da8q1Frl+thzh3m6FBAwAxbOcPWjBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3e14e395569634c941ef5253ffea434775b1d2c0fa5f780da27c50894cf4e98","last_reissued_at":"2026-07-05T03:33:35.679500Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:33:35.679500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.09400","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":"2026-07-05T03:33:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FzETiafEQ9f5BpqVtnKqvFl8nluHUbRQQZgiLjgQJk3hn3yu1zEfsP5Kfz0khXWVyht+/32ZVGvyYzM4qsyLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T22:15:30.153458Z"},"content_sha256":"bdb5f4a372eb2b54d2a001d9fb0363115d03495f25203104ea65e524015a5d3d","schema_version":"1.0","event_id":"sha256:bdb5f4a372eb2b54d2a001d9fb0363115d03495f25203104ea65e524015a5d3d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:WPQU4OKVNFRUZFA66UST77VEGR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the nature of the single eclipse per 80d orbit of the H-rich luminous WN star WR22","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Anthony F. J. Moffat, Eleonora A. Antokhina, Guillaume Lenoir-Craig, Igor I. Antokhin, Nicole St-Louis","submitted_at":"2021-11-17T21:11:39Z","abstract_excerpt":"WR22 = HD 92740 is a bright (V = 6.4 $mag$), intrinsically luminous, double-line WN7h + O9III-V binary exhibiting one sharp 8\\% deep eclipse near periastron in its elliptical (e = 0.6) 80-day orbit, when the WR-star passes in front of the O star, with no secondary eclipse. We apply two models (L96, A13) to probe the optical space-based light curves from {\\em BRITE-Constellation}, including three separate, complete eclipses, that show increased (o-c) scatter compared to the rest of the observations outside the eclipses, likely due to O-star light encountering WR wind-clumps. L96 is a simple atm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.09400","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/2111.09400/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":"2026-07-05T03:33:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zTJQ6QR5Nq8t34l7jUCm7/cslg6+ED9NU6gXKHz6hwK3Sof50HMSI9y6psykwOV4IdaXROYgIhT4gl9bjvjZAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T22:15:30.153973Z"},"content_sha256":"925fee9011284c615729373e9b6f8858e24e239cfbc65db435b6b5d6db5a4363","schema_version":"1.0","event_id":"sha256:925fee9011284c615729373e9b6f8858e24e239cfbc65db435b6b5d6db5a4363"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WPQU4OKVNFRUZFA66UST77VEGR/bundle.json","state_url":"https://pith.science/pith/WPQU4OKVNFRUZFA66UST77VEGR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WPQU4OKVNFRUZFA66UST77VEGR/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":"2026-08-15T22:15:30Z","links":{"resolver":"https://pith.science/pith/WPQU4OKVNFRUZFA66UST77VEGR","bundle":"https://pith.science/pith/WPQU4OKVNFRUZFA66UST77VEGR/bundle.json","state":"https://pith.science/pith/WPQU4OKVNFRUZFA66UST77VEGR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WPQU4OKVNFRUZFA66UST77VEGR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WPQU4OKVNFRUZFA66UST77VEGR","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":"4602234eb451b8e1f64b5daf2b944c6e44f32c54cf2d1b60fb22092c68c954f4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-11-17T21:11:39Z","title_canon_sha256":"5d83763883cffa5b3b70af658e45be39a4cf1899c562016a83f003d94bb26ed4"},"schema_version":"1.0","source":{"id":"2111.09400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.09400","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"arxiv_version","alias_value":"2111.09400v1","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.09400","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"pith_short_12","alias_value":"WPQU4OKVNFRU","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"pith_short_16","alias_value":"WPQU4OKVNFRUZFA6","created_at":"2026-07-05T03:33:35Z"},{"alias_kind":"pith_short_8","alias_value":"WPQU4OKV","created_at":"2026-07-05T03:33:35Z"}],"graph_snapshots":[{"event_id":"sha256:925fee9011284c615729373e9b6f8858e24e239cfbc65db435b6b5d6db5a4363","target":"graph","created_at":"2026-07-05T03:33:35Z","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/2111.09400/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"WR22 = HD 92740 is a bright (V = 6.4 $mag$), intrinsically luminous, double-line WN7h + O9III-V binary exhibiting one sharp 8\\% deep eclipse near periastron in its elliptical (e = 0.6) 80-day orbit, when the WR-star passes in front of the O star, with no secondary eclipse. We apply two models (L96, A13) to probe the optical space-based light curves from {\\em BRITE-Constellation}, including three separate, complete eclipses, that show increased (o-c) scatter compared to the rest of the observations outside the eclipses, likely due to O-star light encountering WR wind-clumps. L96 is a simple atm","authors_text":"Anthony F. J. Moffat, Eleonora A. Antokhina, Guillaume Lenoir-Craig, Igor I. Antokhin, Nicole St-Louis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-11-17T21:11:39Z","title":"On the nature of the single eclipse per 80d orbit of the H-rich luminous WN star WR22"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.09400","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:bdb5f4a372eb2b54d2a001d9fb0363115d03495f25203104ea65e524015a5d3d","target":"record","created_at":"2026-07-05T03:33:35Z","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":"4602234eb451b8e1f64b5daf2b944c6e44f32c54cf2d1b60fb22092c68c954f4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-11-17T21:11:39Z","title_canon_sha256":"5d83763883cffa5b3b70af658e45be39a4cf1899c562016a83f003d94bb26ed4"},"schema_version":"1.0","source":{"id":"2111.09400","kind":"arxiv","version":1}},"canonical_sha256":"b3e14e395569634c941ef5253ffea434775b1d2c0fa5f780da27c50894cf4e98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3e14e395569634c941ef5253ffea434775b1d2c0fa5f780da27c50894cf4e98","first_computed_at":"2026-07-05T03:33:35.679500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:33:35.679500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/QC5bP8QeYxupoNi8BN9UPud0iSdPxScVti/7jDdPaTRkH8DMdFpPp75Da8q1Frl+thzh3m6FBAwAxbOcPWjBA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:33:35.680176Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.09400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdb5f4a372eb2b54d2a001d9fb0363115d03495f25203104ea65e524015a5d3d","sha256:925fee9011284c615729373e9b6f8858e24e239cfbc65db435b6b5d6db5a4363"],"state_sha256":"2a24e349caf237029be5deaf3e05210c86c9bb1475d4a4727ba20342d4479329"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PYpH3rOf3HkqYhjhjfDHDDRovZSxZY+ohjH1VvFRqlkn0G+S8OhH+FurMvv63X5HXdzr7kBaLdaNuBGf/k/uAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T22:15:30.157940Z","bundle_sha256":"7bfb27be79286ab8efdd02e714429a11130e01af2fb8a1a625e93f7ffc5214aa"}}