{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:MQIQY3QNM3SYZO2TBC65RGLJ3V","short_pith_number":"pith:MQIQY3QN","canonical_record":{"source":{"id":"1611.07257","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-11-22T11:40:52Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"9d40b2a921cbf377cf5184de09f47c07eb09314c6b751c3463e7036b9fd046f8","abstract_canon_sha256":"f3b07a1c58c40f2c383eaabd96c58effb9813db7c35108328668bd0f6e520855"},"schema_version":"1.0"},"canonical_sha256":"64110c6e0d66e58cbb5308bdd89969dd7a1cb7ed27261ed095487db8728f86f8","source":{"kind":"arxiv","id":"1611.07257","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.07257","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"arxiv_version","alias_value":"1611.07257v1","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.07257","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"pith_short_12","alias_value":"MQIQY3QNM3SY","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"pith_short_16","alias_value":"MQIQY3QNM3SYZO2T","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"pith_short_8","alias_value":"MQIQY3QN","created_at":"2026-07-05T01:57:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:MQIQY3QNM3SYZO2TBC65RGLJ3V","target":"record","payload":{"canonical_record":{"source":{"id":"1611.07257","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-11-22T11:40:52Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"9d40b2a921cbf377cf5184de09f47c07eb09314c6b751c3463e7036b9fd046f8","abstract_canon_sha256":"f3b07a1c58c40f2c383eaabd96c58effb9813db7c35108328668bd0f6e520855"},"schema_version":"1.0"},"canonical_sha256":"64110c6e0d66e58cbb5308bdd89969dd7a1cb7ed27261ed095487db8728f86f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:57:45.565575Z","signature_b64":"r8hLmzMBj8fAp/4rhbXvblRDADkPUonq16DXDNxjq6Yag6pQcMIz6mMjBNe3YzWK67WGVQruVbZqsk5q5c6KAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64110c6e0d66e58cbb5308bdd89969dd7a1cb7ed27261ed095487db8728f86f8","last_reissued_at":"2026-07-05T01:57:45.565180Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:57:45.565180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.07257","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":"2026-07-05T01:57:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mmz7FnB4mSXVAHaa2SCoU/CiQHu23l0xVTuC8RGMOKOFPOPjVwMffuqjP+m5zQ4zFUYWXfoAivSbXb1ziRDzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:45:25.427339Z"},"content_sha256":"12a10aac9b6724ecf8651f40cb993f01e2f39a323d55863521c57f5eddaad323","schema_version":"1.0","event_id":"sha256:12a10aac9b6724ecf8651f40cb993f01e2f39a323d55863521c57f5eddaad323"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:MQIQY3QNM3SYZO2TBC65RGLJ3V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolutionary status of the Of?p star HD148937 and of its surrounding nebula NGC6164/5","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"C. Waelkens, D. Hutsem\\'ekers, L. Mahy, P. Royer, V. Lebouteiller, Y. Naz\\'e","submitted_at":"2016-11-22T11:40:52Z","abstract_excerpt":"Aims. The magnetic star HD148937 is the only Galactic Of?p star surrounded by a nebula. The structure of this nebula is particularly complex and is composed, from the center out outwards, of a close bipolar ejecta nebula (NGC6164/5), an ellipsoidal wind-blown shell, and a spherically symmetric Stromgren sphere. The exact formation process of this nebula and its precise relation to the star's evolution remain unknown. Methods. We analyzed infrared Spitzer IRS and far-infrared Herschel/PACS observations of the NGC6164/5 nebula. The Herschel imaging allowed us to constrain the global morphology o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.07257","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/1611.07257/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":"2026-07-05T01:57:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dLPPoVPThXg6UG+UiTWM7eyV3Llq61cUFXWrvmDB8UD8WAKR3xdliQkFZz4Yw3jlXkFrKMU4luAwFUAFWRPyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:45:25.428256Z"},"content_sha256":"585157cd79c6aecb711a5467cff287fb6bece1d8a05683a609f22bf4c719a1d2","schema_version":"1.0","event_id":"sha256:585157cd79c6aecb711a5467cff287fb6bece1d8a05683a609f22bf4c719a1d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MQIQY3QNM3SYZO2TBC65RGLJ3V/bundle.json","state_url":"https://pith.science/pith/MQIQY3QNM3SYZO2TBC65RGLJ3V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MQIQY3QNM3SYZO2TBC65RGLJ3V/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":"2026-08-09T01:45:25Z","links":{"resolver":"https://pith.science/pith/MQIQY3QNM3SYZO2TBC65RGLJ3V","bundle":"https://pith.science/pith/MQIQY3QNM3SYZO2TBC65RGLJ3V/bundle.json","state":"https://pith.science/pith/MQIQY3QNM3SYZO2TBC65RGLJ3V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MQIQY3QNM3SYZO2TBC65RGLJ3V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:MQIQY3QNM3SYZO2TBC65RGLJ3V","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":"f3b07a1c58c40f2c383eaabd96c58effb9813db7c35108328668bd0f6e520855","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-11-22T11:40:52Z","title_canon_sha256":"9d40b2a921cbf377cf5184de09f47c07eb09314c6b751c3463e7036b9fd046f8"},"schema_version":"1.0","source":{"id":"1611.07257","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.07257","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"arxiv_version","alias_value":"1611.07257v1","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.07257","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"pith_short_12","alias_value":"MQIQY3QNM3SY","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"pith_short_16","alias_value":"MQIQY3QNM3SYZO2T","created_at":"2026-07-05T01:57:45Z"},{"alias_kind":"pith_short_8","alias_value":"MQIQY3QN","created_at":"2026-07-05T01:57:45Z"}],"graph_snapshots":[{"event_id":"sha256:585157cd79c6aecb711a5467cff287fb6bece1d8a05683a609f22bf4c719a1d2","target":"graph","created_at":"2026-07-05T01:57:45Z","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/1611.07257/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Aims. The magnetic star HD148937 is the only Galactic Of?p star surrounded by a nebula. The structure of this nebula is particularly complex and is composed, from the center out outwards, of a close bipolar ejecta nebula (NGC6164/5), an ellipsoidal wind-blown shell, and a spherically symmetric Stromgren sphere. The exact formation process of this nebula and its precise relation to the star's evolution remain unknown. Methods. We analyzed infrared Spitzer IRS and far-infrared Herschel/PACS observations of the NGC6164/5 nebula. The Herschel imaging allowed us to constrain the global morphology o","authors_text":"C. Waelkens, D. Hutsem\\'ekers, L. Mahy, P. Royer, V. Lebouteiller, Y. Naz\\'e","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-11-22T11:40:52Z","title":"Evolutionary status of the Of?p star HD148937 and of its surrounding nebula NGC6164/5"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.07257","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":"sha256:12a10aac9b6724ecf8651f40cb993f01e2f39a323d55863521c57f5eddaad323","target":"record","created_at":"2026-07-05T01:57:45Z","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":"f3b07a1c58c40f2c383eaabd96c58effb9813db7c35108328668bd0f6e520855","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-11-22T11:40:52Z","title_canon_sha256":"9d40b2a921cbf377cf5184de09f47c07eb09314c6b751c3463e7036b9fd046f8"},"schema_version":"1.0","source":{"id":"1611.07257","kind":"arxiv","version":1}},"canonical_sha256":"64110c6e0d66e58cbb5308bdd89969dd7a1cb7ed27261ed095487db8728f86f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64110c6e0d66e58cbb5308bdd89969dd7a1cb7ed27261ed095487db8728f86f8","first_computed_at":"2026-07-05T01:57:45.565180Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:57:45.565180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r8hLmzMBj8fAp/4rhbXvblRDADkPUonq16DXDNxjq6Yag6pQcMIz6mMjBNe3YzWK67WGVQruVbZqsk5q5c6KAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:57:45.565575Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.07257","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12a10aac9b6724ecf8651f40cb993f01e2f39a323d55863521c57f5eddaad323","sha256:585157cd79c6aecb711a5467cff287fb6bece1d8a05683a609f22bf4c719a1d2"],"state_sha256":"346768fe4db0748b8fb0a6d9096d13c56868177024ca416428fb524bfbacf8c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YW1zAlEVFAguQ1zGQ4CXshG98rWxM/VJOtgs80GjppbCq5Ia91kEt2x/skmMVtFMacihCTZ+TwCtTRNT/6rQCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T01:45:25.433883Z","bundle_sha256":"10aa5f190be1febbd1b16dd3da9c7d088067123a4b8ac6dc92919666e300c9f2"}}