{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QWNDQRRE2OKRUTZTVRG7NZDKF6","short_pith_number":"pith:QWNDQRRE","canonical_record":{"source":{"id":"1709.06439","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-19T14:10:28Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"6afbd7032291773b86f2795244c00aeda7d63284d1ad8fe5b32b03040b3970cd","abstract_canon_sha256":"b0b8abb91b052cc6feb13ffe0747d1382e3d580f7cfa0331cc8a5182b54c79bd"},"schema_version":"1.0"},"canonical_sha256":"859a384624d3951a4f33ac4df6e46a2f9983b88f9aebaf1aecc67d465482df65","source":{"kind":"arxiv","id":"1709.06439","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.06439","created_at":"2026-05-18T00:32:05Z"},{"alias_kind":"arxiv_version","alias_value":"1709.06439v1","created_at":"2026-05-18T00:32:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.06439","created_at":"2026-05-18T00:32:05Z"},{"alias_kind":"pith_short_12","alias_value":"QWNDQRRE2OKR","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QWNDQRRE2OKRUTZT","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QWNDQRRE","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QWNDQRRE2OKRUTZTVRG7NZDKF6","target":"record","payload":{"canonical_record":{"source":{"id":"1709.06439","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-19T14:10:28Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"6afbd7032291773b86f2795244c00aeda7d63284d1ad8fe5b32b03040b3970cd","abstract_canon_sha256":"b0b8abb91b052cc6feb13ffe0747d1382e3d580f7cfa0331cc8a5182b54c79bd"},"schema_version":"1.0"},"canonical_sha256":"859a384624d3951a4f33ac4df6e46a2f9983b88f9aebaf1aecc67d465482df65","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:05.033628Z","signature_b64":"S5I+FdGM9L1fqoGt+SSQeon/zriubghNr4JrnBa6NycxFEKBOXrBSyAZzolYXk3A/WKNt3PNJuEzg+uTToHNBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"859a384624d3951a4f33ac4df6e46a2f9983b88f9aebaf1aecc67d465482df65","last_reissued_at":"2026-05-18T00:32:05.033082Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:05.033082Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.06439","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":"2026-05-18T00:32:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aC7nD1L1Y3VVgAga64gm6wfpZF9I8L2SjTJots2bOEuebZOUjE9cGSOOGRFy1ijOfFaBuRIOKcPeKQLIQ2mhCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:28:11.915313Z"},"content_sha256":"77aa12ab60a24d83f56e8b9acc882fb9bfc7ce6e5c75623acc05045c28a71a75","schema_version":"1.0","event_id":"sha256:77aa12ab60a24d83f56e8b9acc882fb9bfc7ce6e5c75623acc05045c28a71a75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QWNDQRRE2OKRUTZTVRG7NZDKF6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resolving the circumstellar environment of the Galactic B[e] supergiant star MWC 137 from large to small scales","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Cristina E. Cappa, Diah S. Gunawan, Dieter H. Nickeler, Grigoris Maravelias, Lydia S. Cidale, Marcelo Borges Fernandes, Maria L. Arias, Mary E. Oksala, Michaela Kraus, Michel Cure, Miguel Santander-Garcia, Nicolas U. Duronea, Tiina Liimets","submitted_at":"2017-09-19T14:10:28Z","abstract_excerpt":"The Galactic object MWC 137 was suggested to belong to the group of B[e] supergiants. However, with its large-scale optical bipolar ring nebula and the high velocity jet and knots, it is a rather atypical representative of this class. We performed multi-wavelength observations spreading from the optical to the radio regime. Based on optical imaging and long-slit spectroscopic data we found that the northern parts of the large-scale nebula are predominantly blue-shifted, while the southern regions appear mostly red-shifted. We developed a geometrical model consisting of two double-cones. While "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.06439","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":"2026-05-18T00:32:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3qlQ64+zzJH4bF1b01hvoWPkQo6Y7Du8VM3lau152xtlb8+X7F1UZJh6t+vBSChlDAYxrETU2/HGGWRRGsyYBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:28:11.915677Z"},"content_sha256":"afcecb26d232c7f16ca658e81db12b1091ebabe4621f3540a74c7b4524987e4d","schema_version":"1.0","event_id":"sha256:afcecb26d232c7f16ca658e81db12b1091ebabe4621f3540a74c7b4524987e4d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QWNDQRRE2OKRUTZTVRG7NZDKF6/bundle.json","state_url":"https://pith.science/pith/QWNDQRRE2OKRUTZTVRG7NZDKF6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QWNDQRRE2OKRUTZTVRG7NZDKF6/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":"2026-05-28T10:28:11Z","links":{"resolver":"https://pith.science/pith/QWNDQRRE2OKRUTZTVRG7NZDKF6","bundle":"https://pith.science/pith/QWNDQRRE2OKRUTZTVRG7NZDKF6/bundle.json","state":"https://pith.science/pith/QWNDQRRE2OKRUTZTVRG7NZDKF6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QWNDQRRE2OKRUTZTVRG7NZDKF6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QWNDQRRE2OKRUTZTVRG7NZDKF6","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":"b0b8abb91b052cc6feb13ffe0747d1382e3d580f7cfa0331cc8a5182b54c79bd","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-19T14:10:28Z","title_canon_sha256":"6afbd7032291773b86f2795244c00aeda7d63284d1ad8fe5b32b03040b3970cd"},"schema_version":"1.0","source":{"id":"1709.06439","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.06439","created_at":"2026-05-18T00:32:05Z"},{"alias_kind":"arxiv_version","alias_value":"1709.06439v1","created_at":"2026-05-18T00:32:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.06439","created_at":"2026-05-18T00:32:05Z"},{"alias_kind":"pith_short_12","alias_value":"QWNDQRRE2OKR","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QWNDQRRE2OKRUTZT","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QWNDQRRE","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:afcecb26d232c7f16ca658e81db12b1091ebabe4621f3540a74c7b4524987e4d","target":"graph","created_at":"2026-05-18T00:32:05Z","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 Galactic object MWC 137 was suggested to belong to the group of B[e] supergiants. However, with its large-scale optical bipolar ring nebula and the high velocity jet and knots, it is a rather atypical representative of this class. We performed multi-wavelength observations spreading from the optical to the radio regime. Based on optical imaging and long-slit spectroscopic data we found that the northern parts of the large-scale nebula are predominantly blue-shifted, while the southern regions appear mostly red-shifted. We developed a geometrical model consisting of two double-cones. While ","authors_text":"Cristina E. Cappa, Diah S. Gunawan, Dieter H. Nickeler, Grigoris Maravelias, Lydia S. Cidale, Marcelo Borges Fernandes, Maria L. Arias, Mary E. Oksala, Michaela Kraus, Michel Cure, Miguel Santander-Garcia, Nicolas U. Duronea, Tiina Liimets","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-19T14:10:28Z","title":"Resolving the circumstellar environment of the Galactic B[e] supergiant star MWC 137 from large to small scales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.06439","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":"sha256:77aa12ab60a24d83f56e8b9acc882fb9bfc7ce6e5c75623acc05045c28a71a75","target":"record","created_at":"2026-05-18T00:32:05Z","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":"b0b8abb91b052cc6feb13ffe0747d1382e3d580f7cfa0331cc8a5182b54c79bd","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-19T14:10:28Z","title_canon_sha256":"6afbd7032291773b86f2795244c00aeda7d63284d1ad8fe5b32b03040b3970cd"},"schema_version":"1.0","source":{"id":"1709.06439","kind":"arxiv","version":1}},"canonical_sha256":"859a384624d3951a4f33ac4df6e46a2f9983b88f9aebaf1aecc67d465482df65","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"859a384624d3951a4f33ac4df6e46a2f9983b88f9aebaf1aecc67d465482df65","first_computed_at":"2026-05-18T00:32:05.033082Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:05.033082Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S5I+FdGM9L1fqoGt+SSQeon/zriubghNr4JrnBa6NycxFEKBOXrBSyAZzolYXk3A/WKNt3PNJuEzg+uTToHNBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:05.033628Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.06439","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:77aa12ab60a24d83f56e8b9acc882fb9bfc7ce6e5c75623acc05045c28a71a75","sha256:afcecb26d232c7f16ca658e81db12b1091ebabe4621f3540a74c7b4524987e4d"],"state_sha256":"97eeeeac99b5614acf431d619eb65983a6aa2b3843422f3b31f9e046cdf9eb96"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n1K/DWKpXxBswVW3gYkofO1LEvQS4qZMafcHHVOzQrJTnFXNnr7CrEwV6ATlybNrCSI72Ql3eOa3AbXImt3iCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:28:11.917630Z","bundle_sha256":"45b70f4070e5dc15b786179f584acb40426a124b9c935ae7e871db36576a9926"}}