{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2X6MVGSJMWOEWQCYUSPX5AOURG","short_pith_number":"pith:2X6MVGSJ","canonical_record":{"source":{"id":"1806.08525","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-22T07:20:37Z","cross_cats_sorted":[],"title_canon_sha256":"b507fd09028c7015fa8403feac59b7fd8cfe5dd246062e8c9b02653a920b3396","abstract_canon_sha256":"f417065974319183626ca826d310091807f5345d56cebb014393f36adff1032d"},"schema_version":"1.0"},"canonical_sha256":"d5fcca9a49659c4b4058a49f7e81d48985a8f0718603153fbabbb79c5008cbd9","source":{"kind":"arxiv","id":"1806.08525","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08525","created_at":"2026-05-18T00:02:34Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08525v1","created_at":"2026-05-18T00:02:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08525","created_at":"2026-05-18T00:02:34Z"},{"alias_kind":"pith_short_12","alias_value":"2X6MVGSJMWOE","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2X6MVGSJMWOEWQCY","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2X6MVGSJ","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2X6MVGSJMWOEWQCYUSPX5AOURG","target":"record","payload":{"canonical_record":{"source":{"id":"1806.08525","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-22T07:20:37Z","cross_cats_sorted":[],"title_canon_sha256":"b507fd09028c7015fa8403feac59b7fd8cfe5dd246062e8c9b02653a920b3396","abstract_canon_sha256":"f417065974319183626ca826d310091807f5345d56cebb014393f36adff1032d"},"schema_version":"1.0"},"canonical_sha256":"d5fcca9a49659c4b4058a49f7e81d48985a8f0718603153fbabbb79c5008cbd9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:34.110409Z","signature_b64":"u70Cq59yyxAXCA0iZYA+yWadeLLXeE1Yu8PY8XfbecT49zcqgxECR1AdyumQC4HtL0m9gSShvWzzSoqhwJBCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5fcca9a49659c4b4058a49f7e81d48985a8f0718603153fbabbb79c5008cbd9","last_reissued_at":"2026-05-18T00:02:34.109833Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:34.109833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.08525","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":"2026-05-18T00:02:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"loG/qBNsUHhq3rtOSK8rNA64ePCn/rEInU9Ut9adMQWGVSdxXa6UBDbVg2q+Hrn983h/l0ZvdIN+ReelftPXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T05:00:22.842050Z"},"content_sha256":"e31906e0d42c876240865f79e3c52c313b8af1c20f4e7e2163afc1c0eba27497","schema_version":"1.0","event_id":"sha256:e31906e0d42c876240865f79e3c52c313b8af1c20f4e7e2163afc1c0eba27497"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2X6MVGSJMWOEWQCYUSPX5AOURG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The SPHERE view of Wolf-Rayet 104","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Camera, A. Lamberts, A. Matter (FIZEAU), A Roux, A Sevin, A. Soulain, B. Lopez, E. Lagadec (OCA), F. Millour (FIZEAU), H Avenhaus, J Milli, J Ramos, L Abe, M. Carbillet (FIZEAU), M Carle, M Langlois, P Martinez, T Moulin, Y Magnard","submitted_at":"2018-06-22T07:20:37Z","abstract_excerpt":"Context. WR104 is an emblematic dusty Wolf-Rayet star and the prototypical member of a subgroup hosting spirals that are mainly observable with high-angular resolution techniques. Previous aperture masking observations showed that WR104 is likely an interacting binary star at the end of its life. However, several aspects of the system are still unknown. This includes the opening angle of the spiral, the dust formation locus, and the link between the central binary star and a candidate companion star detected with the Hubble Space Telescope (HST) at 1\". Aims. Our aim was to directly image the d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08525","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":"2026-05-18T00:02:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D72IFXi79IrSGvuP8L+wcu3WEOs4NzAcA6lzX69iGErDiBC5qfQtjDONI8AE2bPgGFtDrLPEGMz02y0wILInDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T05:00:22.842409Z"},"content_sha256":"cfafec1920256b4f8180cc264be27640fb03248ac2243b687e4920e69ea21a10","schema_version":"1.0","event_id":"sha256:cfafec1920256b4f8180cc264be27640fb03248ac2243b687e4920e69ea21a10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2X6MVGSJMWOEWQCYUSPX5AOURG/bundle.json","state_url":"https://pith.science/pith/2X6MVGSJMWOEWQCYUSPX5AOURG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2X6MVGSJMWOEWQCYUSPX5AOURG/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":"2026-06-03T05:00:22Z","links":{"resolver":"https://pith.science/pith/2X6MVGSJMWOEWQCYUSPX5AOURG","bundle":"https://pith.science/pith/2X6MVGSJMWOEWQCYUSPX5AOURG/bundle.json","state":"https://pith.science/pith/2X6MVGSJMWOEWQCYUSPX5AOURG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2X6MVGSJMWOEWQCYUSPX5AOURG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2X6MVGSJMWOEWQCYUSPX5AOURG","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":"f417065974319183626ca826d310091807f5345d56cebb014393f36adff1032d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-22T07:20:37Z","title_canon_sha256":"b507fd09028c7015fa8403feac59b7fd8cfe5dd246062e8c9b02653a920b3396"},"schema_version":"1.0","source":{"id":"1806.08525","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08525","created_at":"2026-05-18T00:02:34Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08525v1","created_at":"2026-05-18T00:02:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08525","created_at":"2026-05-18T00:02:34Z"},{"alias_kind":"pith_short_12","alias_value":"2X6MVGSJMWOE","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2X6MVGSJMWOEWQCY","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2X6MVGSJ","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:cfafec1920256b4f8180cc264be27640fb03248ac2243b687e4920e69ea21a10","target":"graph","created_at":"2026-05-18T00:02:34Z","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":"Context. WR104 is an emblematic dusty Wolf-Rayet star and the prototypical member of a subgroup hosting spirals that are mainly observable with high-angular resolution techniques. Previous aperture masking observations showed that WR104 is likely an interacting binary star at the end of its life. However, several aspects of the system are still unknown. This includes the opening angle of the spiral, the dust formation locus, and the link between the central binary star and a candidate companion star detected with the Hubble Space Telescope (HST) at 1\". Aims. Our aim was to directly image the d","authors_text":"A. Camera, A. Lamberts, A. Matter (FIZEAU), A Roux, A Sevin, A. Soulain, B. Lopez, E. Lagadec (OCA), F. Millour (FIZEAU), H Avenhaus, J Milli, J Ramos, L Abe, M. Carbillet (FIZEAU), M Carle, M Langlois, P Martinez, T Moulin, Y Magnard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-22T07:20:37Z","title":"The SPHERE view of Wolf-Rayet 104"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08525","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:e31906e0d42c876240865f79e3c52c313b8af1c20f4e7e2163afc1c0eba27497","target":"record","created_at":"2026-05-18T00:02:34Z","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":"f417065974319183626ca826d310091807f5345d56cebb014393f36adff1032d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-06-22T07:20:37Z","title_canon_sha256":"b507fd09028c7015fa8403feac59b7fd8cfe5dd246062e8c9b02653a920b3396"},"schema_version":"1.0","source":{"id":"1806.08525","kind":"arxiv","version":1}},"canonical_sha256":"d5fcca9a49659c4b4058a49f7e81d48985a8f0718603153fbabbb79c5008cbd9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5fcca9a49659c4b4058a49f7e81d48985a8f0718603153fbabbb79c5008cbd9","first_computed_at":"2026-05-18T00:02:34.109833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:34.109833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u70Cq59yyxAXCA0iZYA+yWadeLLXeE1Yu8PY8XfbecT49zcqgxECR1AdyumQC4HtL0m9gSShvWzzSoqhwJBCAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:34.110409Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.08525","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e31906e0d42c876240865f79e3c52c313b8af1c20f4e7e2163afc1c0eba27497","sha256:cfafec1920256b4f8180cc264be27640fb03248ac2243b687e4920e69ea21a10"],"state_sha256":"b1d750b850f07a0227f62d4c2871c9baaaf16067c4ceca5587b0572fd29963e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zDIHWXgBch9taTAMBZ2ctaaVBIwqRQ8EW5FG1BMWKYyAl+sXj1saW1yS7WKXVLAN8zC4h3YNY4ZFle5WnyGNDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T05:00:22.844359Z","bundle_sha256":"1edd0c0a51212add62ada759629763a148dd68cfaba00c5de1194c472ff1aadc"}}