{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MJVGICKJLFM64CHDEUAT22YA7Q","short_pith_number":"pith:MJVGICKJ","canonical_record":{"source":{"id":"1506.03712","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-11T15:38:12Z","cross_cats_sorted":[],"title_canon_sha256":"b236bcad641e88915e2faafeb0a47245dcbafffe4740495202e41b416fefb5c4","abstract_canon_sha256":"c637fbc5f61cd72b0dc7762ac93217ca0e2ad80028e2a23460988b9bda42ef43"},"schema_version":"1.0"},"canonical_sha256":"626a6409495959ee08e325013d6b00fc39921cd12b308512f3d8869ee1ecd667","source":{"kind":"arxiv","id":"1506.03712","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03712","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03712v1","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03712","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"pith_short_12","alias_value":"MJVGICKJLFM6","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MJVGICKJLFM64CHD","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MJVGICKJ","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MJVGICKJLFM64CHDEUAT22YA7Q","target":"record","payload":{"canonical_record":{"source":{"id":"1506.03712","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-11T15:38:12Z","cross_cats_sorted":[],"title_canon_sha256":"b236bcad641e88915e2faafeb0a47245dcbafffe4740495202e41b416fefb5c4","abstract_canon_sha256":"c637fbc5f61cd72b0dc7762ac93217ca0e2ad80028e2a23460988b9bda42ef43"},"schema_version":"1.0"},"canonical_sha256":"626a6409495959ee08e325013d6b00fc39921cd12b308512f3d8869ee1ecd667","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:47.017873Z","signature_b64":"LZGUQJxAeOsHce+QxPerCoKj/OyZuuWFSwnJRF1GXAiGBcth4AKRphFtJ91eCCkgqk2UWH8B4hGerIaSC6uPAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"626a6409495959ee08e325013d6b00fc39921cd12b308512f3d8869ee1ecd667","last_reissued_at":"2026-05-18T01:35:47.017169Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:47.017169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.03712","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":"2026-05-18T01:35:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BgVqWVJA3aA51BPoSXBf/Y7Z7Xcw4x9S/GBUZBbeyVwIgmqkdIwsey/tHsakVnMh4L10BniSMUhi7EMww4aGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:50:04.074543Z"},"content_sha256":"acfde6bcb0c6f6aa2460a2e91e4c752c994060271f77602d0dcc58e9fd65ef98","schema_version":"1.0","event_id":"sha256:acfde6bcb0c6f6aa2460a2e91e4c752c994060271f77602d0dcc58e9fd65ef98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MJVGICKJLFM64CHDEUAT22YA7Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High resolution imaging of NGC 2346 with GSAOI/GeMS: disentangling the planetary nebula molecular structure to understand its origin and evolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Arturo Manchado, D. A. Garcia-Hernandez, Eva Villaver, Guillermo Garcia-Segura, Letizia Stanghellini, Richard A. Shaw","submitted_at":"2015-06-11T15:38:12Z","abstract_excerpt":"We present high spatial resolution ($\\approx$ 60--90 milliarcseconds) images of the molecular hydrogen emission in the Planetary Nebula (PN) NGC 2346. The data were acquired during the System Verification of the Gemini Multi-Conjugate Adaptive Optics System + Gemini South Adaptive Optics Imager. At the distance of NGC 2346, 700 pc, the physical resolution corresponds to $\\approx$ 56 AU, which is slightly higher than that an [N II] image of NGC 2346 obtained with HST/WFPC2. With this unprecedented resolution we were able to study in detail the structure of the H$_2$ gas within the nebula for th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03712","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":"2026-05-18T01:35:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fwEzkwYICDaA8mxSwY69XHKIuXNAl2NSJF2QRGRgljqCX8ISJHker4k7lonYd8scYl8uQ9Os4bhOUy3/F3esDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:50:04.075230Z"},"content_sha256":"ce01d2e787f0b1faa5638abefac7a7a00ed9a5f7ae09bbaabeaaa55eaf549d7e","schema_version":"1.0","event_id":"sha256:ce01d2e787f0b1faa5638abefac7a7a00ed9a5f7ae09bbaabeaaa55eaf549d7e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MJVGICKJLFM64CHDEUAT22YA7Q/bundle.json","state_url":"https://pith.science/pith/MJVGICKJLFM64CHDEUAT22YA7Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MJVGICKJLFM64CHDEUAT22YA7Q/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":"2026-05-27T15:50:04Z","links":{"resolver":"https://pith.science/pith/MJVGICKJLFM64CHDEUAT22YA7Q","bundle":"https://pith.science/pith/MJVGICKJLFM64CHDEUAT22YA7Q/bundle.json","state":"https://pith.science/pith/MJVGICKJLFM64CHDEUAT22YA7Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MJVGICKJLFM64CHDEUAT22YA7Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MJVGICKJLFM64CHDEUAT22YA7Q","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":"c637fbc5f61cd72b0dc7762ac93217ca0e2ad80028e2a23460988b9bda42ef43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-11T15:38:12Z","title_canon_sha256":"b236bcad641e88915e2faafeb0a47245dcbafffe4740495202e41b416fefb5c4"},"schema_version":"1.0","source":{"id":"1506.03712","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03712","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03712v1","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03712","created_at":"2026-05-18T01:35:47Z"},{"alias_kind":"pith_short_12","alias_value":"MJVGICKJLFM6","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MJVGICKJLFM64CHD","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MJVGICKJ","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:ce01d2e787f0b1faa5638abefac7a7a00ed9a5f7ae09bbaabeaaa55eaf549d7e","target":"graph","created_at":"2026-05-18T01:35:47Z","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":"We present high spatial resolution ($\\approx$ 60--90 milliarcseconds) images of the molecular hydrogen emission in the Planetary Nebula (PN) NGC 2346. The data were acquired during the System Verification of the Gemini Multi-Conjugate Adaptive Optics System + Gemini South Adaptive Optics Imager. At the distance of NGC 2346, 700 pc, the physical resolution corresponds to $\\approx$ 56 AU, which is slightly higher than that an [N II] image of NGC 2346 obtained with HST/WFPC2. With this unprecedented resolution we were able to study in detail the structure of the H$_2$ gas within the nebula for th","authors_text":"Arturo Manchado, D. A. Garcia-Hernandez, Eva Villaver, Guillermo Garcia-Segura, Letizia Stanghellini, Richard A. Shaw","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-11T15:38:12Z","title":"High resolution imaging of NGC 2346 with GSAOI/GeMS: disentangling the planetary nebula molecular structure to understand its origin and evolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03712","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:acfde6bcb0c6f6aa2460a2e91e4c752c994060271f77602d0dcc58e9fd65ef98","target":"record","created_at":"2026-05-18T01:35:47Z","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":"c637fbc5f61cd72b0dc7762ac93217ca0e2ad80028e2a23460988b9bda42ef43","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-11T15:38:12Z","title_canon_sha256":"b236bcad641e88915e2faafeb0a47245dcbafffe4740495202e41b416fefb5c4"},"schema_version":"1.0","source":{"id":"1506.03712","kind":"arxiv","version":1}},"canonical_sha256":"626a6409495959ee08e325013d6b00fc39921cd12b308512f3d8869ee1ecd667","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"626a6409495959ee08e325013d6b00fc39921cd12b308512f3d8869ee1ecd667","first_computed_at":"2026-05-18T01:35:47.017169Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:47.017169Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LZGUQJxAeOsHce+QxPerCoKj/OyZuuWFSwnJRF1GXAiGBcth4AKRphFtJ91eCCkgqk2UWH8B4hGerIaSC6uPAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:47.017873Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.03712","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:acfde6bcb0c6f6aa2460a2e91e4c752c994060271f77602d0dcc58e9fd65ef98","sha256:ce01d2e787f0b1faa5638abefac7a7a00ed9a5f7ae09bbaabeaaa55eaf549d7e"],"state_sha256":"3c801a484c259846cdb7db23680bb755eccc9239f989f5dfec0d73348e7c5300"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZnoCMDHq8SZYpmSU4BCQF+S03OsuKQib6SoU5+1uk4nsF9Fi1uyacy020SsAgSi39oJ3WkmjKdPROSvIRVyPBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:50:04.079174Z","bundle_sha256":"1b06c821062690aa7edf7240a632064570196e45b043aa2c01293cd584df017a"}}