{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:D6UMZT2MABP6L7DVZ3THMNF6ER","short_pith_number":"pith:D6UMZT2M","canonical_record":{"source":{"id":"2306.01321","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-02T07:43:49Z","cross_cats_sorted":[],"title_canon_sha256":"fa217c2f1dcf12a1df97be33919349c1c8de3f85e6a8eb5efa716dcb8b994687","abstract_canon_sha256":"93238ecebba2cd909aab971e5a7a6cdf6ef8c6a47cc682b52c997a5173d583a3"},"schema_version":"1.0"},"canonical_sha256":"1fa8cccf4c005fe5fc75cee67634be244b86d31b7cd4bdb0e00ffd2ecf076cab","source":{"kind":"arxiv","id":"2306.01321","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.01321","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"arxiv_version","alias_value":"2306.01321v1","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.01321","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"pith_short_12","alias_value":"D6UMZT2MABP6","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"pith_short_16","alias_value":"D6UMZT2MABP6L7DV","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"pith_short_8","alias_value":"D6UMZT2M","created_at":"2026-07-05T06:16:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:D6UMZT2MABP6L7DVZ3THMNF6ER","target":"record","payload":{"canonical_record":{"source":{"id":"2306.01321","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-02T07:43:49Z","cross_cats_sorted":[],"title_canon_sha256":"fa217c2f1dcf12a1df97be33919349c1c8de3f85e6a8eb5efa716dcb8b994687","abstract_canon_sha256":"93238ecebba2cd909aab971e5a7a6cdf6ef8c6a47cc682b52c997a5173d583a3"},"schema_version":"1.0"},"canonical_sha256":"1fa8cccf4c005fe5fc75cee67634be244b86d31b7cd4bdb0e00ffd2ecf076cab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:16:52.502486Z","signature_b64":"dt+vgC+DCEa/JQ/sbVIqNGcKl3Q62/XBLDBHrJfMHy3zfHJlSSbLSr5HzIowjBjEdRs8dTmk2JFeGJQh7MCiDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fa8cccf4c005fe5fc75cee67634be244b86d31b7cd4bdb0e00ffd2ecf076cab","last_reissued_at":"2026-07-05T06:16:52.502073Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:16:52.502073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.01321","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":"2026-07-05T06:16:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PcWMESa24WVka560vtsVsmU7Kk4mPOtbMK43DLWarru+C1Jl19rkWzLQOwAL8CMTkYddvKNkSi/d70FJEWvcCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:34:55.620968Z"},"content_sha256":"6ced330f7e910ceaff1478da7f11d3cc4a348f4c3aef8f234278f860fe3e3103","schema_version":"1.0","event_id":"sha256:6ced330f7e910ceaff1478da7f11d3cc4a348f4c3aef8f234278f860fe3e3103"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:D6UMZT2MABP6L7DVZ3THMNF6ER","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FAST polarization mapping of the SNR VRO 42.05.01","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chun Sun, Li Xiao, Ming Zhu, Peng Jiang, Xiao-Hui Sun","submitted_at":"2023-06-02T07:43:49Z","abstract_excerpt":"We have obtained the polarization data cube of the VRO 42.05.01 supernova remnant at 1240 MHz using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Three-dimensional Faraday Synthesis is applied to the FAST data to derive the Faraday depth spectrum. The peak Faraday depth map shows a large area of enhanced foreground RM of ~60 rad m-2 extending along the remnant's \"wing\" section, which coincides with a large-scale HI shell at -20 km/s. The two depolarization patches within the \"wing\" region with RM of 97 rad m-2 and 55 rad m-2 coincide with two HI structures in the HI shell. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.01321","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/2306.01321/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":"2026-07-05T06:16:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2tj5ptqalFoWpJin63APrP/ga+LURiWq7gVLS6fSQmqKKI1otnfiqVJU5r/J3qxBkokF6R4ZZNoK9aUKaUP8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:34:55.621625Z"},"content_sha256":"8b03c7fedd032aa10a919c5e6622231f89aad87b30de864a4560e5db47b62962","schema_version":"1.0","event_id":"sha256:8b03c7fedd032aa10a919c5e6622231f89aad87b30de864a4560e5db47b62962"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D6UMZT2MABP6L7DVZ3THMNF6ER/bundle.json","state_url":"https://pith.science/pith/D6UMZT2MABP6L7DVZ3THMNF6ER/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D6UMZT2MABP6L7DVZ3THMNF6ER/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":"2026-08-06T21:34:55Z","links":{"resolver":"https://pith.science/pith/D6UMZT2MABP6L7DVZ3THMNF6ER","bundle":"https://pith.science/pith/D6UMZT2MABP6L7DVZ3THMNF6ER/bundle.json","state":"https://pith.science/pith/D6UMZT2MABP6L7DVZ3THMNF6ER/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D6UMZT2MABP6L7DVZ3THMNF6ER/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:D6UMZT2MABP6L7DVZ3THMNF6ER","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":"93238ecebba2cd909aab971e5a7a6cdf6ef8c6a47cc682b52c997a5173d583a3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-02T07:43:49Z","title_canon_sha256":"fa217c2f1dcf12a1df97be33919349c1c8de3f85e6a8eb5efa716dcb8b994687"},"schema_version":"1.0","source":{"id":"2306.01321","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.01321","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"arxiv_version","alias_value":"2306.01321v1","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.01321","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"pith_short_12","alias_value":"D6UMZT2MABP6","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"pith_short_16","alias_value":"D6UMZT2MABP6L7DV","created_at":"2026-07-05T06:16:52Z"},{"alias_kind":"pith_short_8","alias_value":"D6UMZT2M","created_at":"2026-07-05T06:16:52Z"}],"graph_snapshots":[{"event_id":"sha256:8b03c7fedd032aa10a919c5e6622231f89aad87b30de864a4560e5db47b62962","target":"graph","created_at":"2026-07-05T06:16:52Z","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/2306.01321/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have obtained the polarization data cube of the VRO 42.05.01 supernova remnant at 1240 MHz using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Three-dimensional Faraday Synthesis is applied to the FAST data to derive the Faraday depth spectrum. The peak Faraday depth map shows a large area of enhanced foreground RM of ~60 rad m-2 extending along the remnant's \"wing\" section, which coincides with a large-scale HI shell at -20 km/s. The two depolarization patches within the \"wing\" region with RM of 97 rad m-2 and 55 rad m-2 coincide with two HI structures in the HI shell. ","authors_text":"Chun Sun, Li Xiao, Ming Zhu, Peng Jiang, Xiao-Hui Sun","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-02T07:43:49Z","title":"FAST polarization mapping of the SNR VRO 42.05.01"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.01321","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":"sha256:6ced330f7e910ceaff1478da7f11d3cc4a348f4c3aef8f234278f860fe3e3103","target":"record","created_at":"2026-07-05T06:16:52Z","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":"93238ecebba2cd909aab971e5a7a6cdf6ef8c6a47cc682b52c997a5173d583a3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-02T07:43:49Z","title_canon_sha256":"fa217c2f1dcf12a1df97be33919349c1c8de3f85e6a8eb5efa716dcb8b994687"},"schema_version":"1.0","source":{"id":"2306.01321","kind":"arxiv","version":1}},"canonical_sha256":"1fa8cccf4c005fe5fc75cee67634be244b86d31b7cd4bdb0e00ffd2ecf076cab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fa8cccf4c005fe5fc75cee67634be244b86d31b7cd4bdb0e00ffd2ecf076cab","first_computed_at":"2026-07-05T06:16:52.502073Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:16:52.502073Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dt+vgC+DCEa/JQ/sbVIqNGcKl3Q62/XBLDBHrJfMHy3zfHJlSSbLSr5HzIowjBjEdRs8dTmk2JFeGJQh7MCiDA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:16:52.502486Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.01321","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ced330f7e910ceaff1478da7f11d3cc4a348f4c3aef8f234278f860fe3e3103","sha256:8b03c7fedd032aa10a919c5e6622231f89aad87b30de864a4560e5db47b62962"],"state_sha256":"4ec5f8346970be50bc0a9b1effda76129d8f5a1811524e54af664b4cd3aca88e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VqPV9S2RzCcbrPHwmHNDKUfU/jOe+Iy0UbnPnaXLGDnwo+UqMRR9rvFu2KREUvauEwaXFMsA42qPSNhHsBzoCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T21:34:55.626234Z","bundle_sha256":"735c2c0aef179f434212571173cd1b35b62ac8949b96e5fb7d492237f4830761"}}