{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WQDWHE2S5IPYBEG5IQAZ6HUASN","short_pith_number":"pith:WQDWHE2S","canonical_record":{"source":{"id":"2309.13313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-23T09:10:38Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"65077ce3a73b963c6e44afa4aa24cd560fc07b6bb94ebb4ee19b029f4deac36b","abstract_canon_sha256":"9933b9906bf5cdebb87c9e813a6694186f165ad22916bb0dc213144f8cc2c8b7"},"schema_version":"1.0"},"canonical_sha256":"b407639352ea1f8090dd44019f1e80936b139d156d0e706707573236a3df98f4","source":{"kind":"arxiv","id":"2309.13313","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.13313","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"arxiv_version","alias_value":"2309.13313v1","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.13313","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"pith_short_12","alias_value":"WQDWHE2S5IPY","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"pith_short_16","alias_value":"WQDWHE2S5IPYBEG5","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"pith_short_8","alias_value":"WQDWHE2S","created_at":"2026-07-05T06:53:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WQDWHE2S5IPYBEG5IQAZ6HUASN","target":"record","payload":{"canonical_record":{"source":{"id":"2309.13313","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-23T09:10:38Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"65077ce3a73b963c6e44afa4aa24cd560fc07b6bb94ebb4ee19b029f4deac36b","abstract_canon_sha256":"9933b9906bf5cdebb87c9e813a6694186f165ad22916bb0dc213144f8cc2c8b7"},"schema_version":"1.0"},"canonical_sha256":"b407639352ea1f8090dd44019f1e80936b139d156d0e706707573236a3df98f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:53:50.258752Z","signature_b64":"M50tbA2jnXpALzAaxt6POkquQv1PVWub72b6okVVKklQSulyR3ku9tKrYJts5E4VOvpzFe7riZrFdEKqbTWsCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b407639352ea1f8090dd44019f1e80936b139d156d0e706707573236a3df98f4","last_reissued_at":"2026-07-05T06:53:50.258257Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:53:50.258257Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.13313","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":"2026-07-05T06:53:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sDBcv1YD6XbJbO5H3AiiN0FU3j0aFi3VpHoa2yx+xYdnqDMRtLQFsKVuaYinX+lvQMAv3d7bO+WRQlY9IoVPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:18:42.366279Z"},"content_sha256":"a2f3ad58c3c73b03b87281088ae02edcfc334388f5b491c2045528da932198f1","schema_version":"1.0","event_id":"sha256:a2f3ad58c3c73b03b87281088ae02edcfc334388f5b491c2045528da932198f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WQDWHE2S5IPYBEG5IQAZ6HUASN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New Insights on 30 Dor B Revealed by High-Quality Multi-wavelength Observations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Bo-An Chen, Chuan-Jui Li, Kuo-Song Wang, Sheng-Yuan Liu, Shutaro Ueda, Wei-An Chen, You-Hua Chu","submitted_at":"2023-09-23T09:10:38Z","abstract_excerpt":"The supernova remnant (SNR) 30 Dor B is associated with the \\ion{H}{2} region ionized by the OB association LH99. The complex interstellar environment has made it difficult to study the physical structure of this SNR. We have used Hubble Space Telescope H$\\alpha$ images to identify SNR shocks and deep Chandra X-ray observations to detect faint diffuse emission. We find that 30 Dor B hosts three zones with very different X-ray surface brightnesses and nebular kinematics that are characteristic of SNRs in different interstellar environments and/or evolutionary stages. The ASKAP 888 MHz map of 30"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.13313","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/2309.13313/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":"2026-07-05T06:53:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UxJe04ZN9XXyyr2qJlFVD+dArLI13343SOtd6UImQtgXsZyGnbdhnUp004+jtSceB4jDKVgkt8l0CMGOWHtVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T13:18:42.366807Z"},"content_sha256":"92b84b99d67bef4697548049c80f1e2044d53e3c557843f414314a453f0c26ef","schema_version":"1.0","event_id":"sha256:92b84b99d67bef4697548049c80f1e2044d53e3c557843f414314a453f0c26ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WQDWHE2S5IPYBEG5IQAZ6HUASN/bundle.json","state_url":"https://pith.science/pith/WQDWHE2S5IPYBEG5IQAZ6HUASN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WQDWHE2S5IPYBEG5IQAZ6HUASN/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":"2026-08-05T13:18:42Z","links":{"resolver":"https://pith.science/pith/WQDWHE2S5IPYBEG5IQAZ6HUASN","bundle":"https://pith.science/pith/WQDWHE2S5IPYBEG5IQAZ6HUASN/bundle.json","state":"https://pith.science/pith/WQDWHE2S5IPYBEG5IQAZ6HUASN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WQDWHE2S5IPYBEG5IQAZ6HUASN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WQDWHE2S5IPYBEG5IQAZ6HUASN","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":"9933b9906bf5cdebb87c9e813a6694186f165ad22916bb0dc213144f8cc2c8b7","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-23T09:10:38Z","title_canon_sha256":"65077ce3a73b963c6e44afa4aa24cd560fc07b6bb94ebb4ee19b029f4deac36b"},"schema_version":"1.0","source":{"id":"2309.13313","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.13313","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"arxiv_version","alias_value":"2309.13313v1","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.13313","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"pith_short_12","alias_value":"WQDWHE2S5IPY","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"pith_short_16","alias_value":"WQDWHE2S5IPYBEG5","created_at":"2026-07-05T06:53:50Z"},{"alias_kind":"pith_short_8","alias_value":"WQDWHE2S","created_at":"2026-07-05T06:53:50Z"}],"graph_snapshots":[{"event_id":"sha256:92b84b99d67bef4697548049c80f1e2044d53e3c557843f414314a453f0c26ef","target":"graph","created_at":"2026-07-05T06:53:50Z","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/2309.13313/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The supernova remnant (SNR) 30 Dor B is associated with the \\ion{H}{2} region ionized by the OB association LH99. The complex interstellar environment has made it difficult to study the physical structure of this SNR. We have used Hubble Space Telescope H$\\alpha$ images to identify SNR shocks and deep Chandra X-ray observations to detect faint diffuse emission. We find that 30 Dor B hosts three zones with very different X-ray surface brightnesses and nebular kinematics that are characteristic of SNRs in different interstellar environments and/or evolutionary stages. The ASKAP 888 MHz map of 30","authors_text":"Bo-An Chen, Chuan-Jui Li, Kuo-Song Wang, Sheng-Yuan Liu, Shutaro Ueda, Wei-An Chen, You-Hua Chu","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-23T09:10:38Z","title":"New Insights on 30 Dor B Revealed by High-Quality Multi-wavelength Observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.13313","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:a2f3ad58c3c73b03b87281088ae02edcfc334388f5b491c2045528da932198f1","target":"record","created_at":"2026-07-05T06:53:50Z","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":"9933b9906bf5cdebb87c9e813a6694186f165ad22916bb0dc213144f8cc2c8b7","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-23T09:10:38Z","title_canon_sha256":"65077ce3a73b963c6e44afa4aa24cd560fc07b6bb94ebb4ee19b029f4deac36b"},"schema_version":"1.0","source":{"id":"2309.13313","kind":"arxiv","version":1}},"canonical_sha256":"b407639352ea1f8090dd44019f1e80936b139d156d0e706707573236a3df98f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b407639352ea1f8090dd44019f1e80936b139d156d0e706707573236a3df98f4","first_computed_at":"2026-07-05T06:53:50.258257Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:53:50.258257Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M50tbA2jnXpALzAaxt6POkquQv1PVWub72b6okVVKklQSulyR3ku9tKrYJts5E4VOvpzFe7riZrFdEKqbTWsCw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:53:50.258752Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.13313","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2f3ad58c3c73b03b87281088ae02edcfc334388f5b491c2045528da932198f1","sha256:92b84b99d67bef4697548049c80f1e2044d53e3c557843f414314a453f0c26ef"],"state_sha256":"ad2edc81ed6143b87b738d81d2ce3cb33dab4547a11e1b0de29cad31c1c803e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mxu9X7OjRWeRgupFFq5lmHodSWd72RVsu4BUbhvHMCOjo/CPIIEI4ec4WOcYScCGDraHFvOq+Z65HuT9ddXXDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T13:18:42.375236Z","bundle_sha256":"064593758015d3a5ae1b625b5f404439a252ae599079368bcd1cb8d638653e0a"}}