{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NN7GYL6AHR5HQM5JQKK7CW4TQZ","short_pith_number":"pith:NN7GYL6A","canonical_record":{"source":{"id":"1908.03624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-09T21:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"dd8c2e9088f8cc8a2e542e4d6e3da6aceefdfda9d8e7068ee0c5d6b8efdbab71","abstract_canon_sha256":"1c84e5ef7d973eeef9566074608bf55e373ba573fe25486a881e56f43df5e72c"},"schema_version":"1.0"},"canonical_sha256":"6b7e6c2fc03c7a7833a98295f15b9386435b96be8da4f1be3e47ac85178104d6","source":{"kind":"arxiv","id":"1908.03624","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.03624","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"arxiv_version","alias_value":"1908.03624v1","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.03624","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"pith_short_12","alias_value":"NN7GYL6AHR5H","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"pith_short_16","alias_value":"NN7GYL6AHR5HQM5J","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"pith_short_8","alias_value":"NN7GYL6A","created_at":"2026-07-05T00:09:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NN7GYL6AHR5HQM5JQKK7CW4TQZ","target":"record","payload":{"canonical_record":{"source":{"id":"1908.03624","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-09T21:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"dd8c2e9088f8cc8a2e542e4d6e3da6aceefdfda9d8e7068ee0c5d6b8efdbab71","abstract_canon_sha256":"1c84e5ef7d973eeef9566074608bf55e373ba573fe25486a881e56f43df5e72c"},"schema_version":"1.0"},"canonical_sha256":"6b7e6c2fc03c7a7833a98295f15b9386435b96be8da4f1be3e47ac85178104d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:09:02.805632Z","signature_b64":"eHjW2t5HXBO1pVNQ2VxA/rxe2gHGZzamJr4JueLoV1EBsgRJTz02iL2EFyb/a31ic4jehAKFDMUjgH2mpGIYDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b7e6c2fc03c7a7833a98295f15b9386435b96be8da4f1be3e47ac85178104d6","last_reissued_at":"2026-07-05T00:09:02.805203Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:09:02.805203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.03624","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":"2026-07-05T00:09:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TfVLb95mfQM/b/ClF1IvEs/6e9YUzbs3+uCkJV74dAixMXAdMdN/ja8q6pI/vHD1wUd3jTt8zMSHfaZJuejVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T23:05:55.996886Z"},"content_sha256":"ef10351dbc552b54efe7c0981738b1ce4e9da3e97cd7c44d4de04bef211377f0","schema_version":"1.0","event_id":"sha256:ef10351dbc552b54efe7c0981738b1ce4e9da3e97cd7c44d4de04bef211377f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NN7GYL6AHR5HQM5JQKK7CW4TQZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic fields in the infrared dark cloud G34.43+0.24","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Archana Soam, B-G Andersson, Chang Won Lee, Junhao Liu, Kee-Tae Kim, Keping Qiu, Mika Juvela, Neal J. Evans II, Pak Shing Li, Patrick M. Koch, Paul F. Goldsmith, Qizhou Zhang, SCOPE collaborations, Tie Liu","submitted_at":"2019-08-09T21:00:08Z","abstract_excerpt":"We present the B-fields mapped in IRDC G34.43+0.24 using 850\\,$\\mu$m polarized dust emission observed with the POL-2 instrument at JCMT. We examine the magnetic field geometries and strengths in the northern, central, and southern regions of the filament. The overall field geometry is ordered and aligned closely perpendicular to the filament's main axis, particularly in regions containing the central clumps MM1 and MM2, whereas MM3 in the north has field orientations aligned with its major axis. The overall field orientations are uniform at large (POL-2 at 14$\\arcsec$ and SHARP at 10$\\arcsec$)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.03624","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/1908.03624/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":"2026-07-05T00:09:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y1l97y+nkSQQQ5jse8mgD5e6qkWIHyJmRZDSGDUWx0lqnRUsHgVIk76JKkj93zvuxb7L5IIq4DFuYIUTBnCzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T23:05:55.997944Z"},"content_sha256":"d2e076c3cfac16557a3787628476a1ec3989fee59f4341debba3830088e9754d","schema_version":"1.0","event_id":"sha256:d2e076c3cfac16557a3787628476a1ec3989fee59f4341debba3830088e9754d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NN7GYL6AHR5HQM5JQKK7CW4TQZ/bundle.json","state_url":"https://pith.science/pith/NN7GYL6AHR5HQM5JQKK7CW4TQZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NN7GYL6AHR5HQM5JQKK7CW4TQZ/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":"2026-08-16T23:05:56Z","links":{"resolver":"https://pith.science/pith/NN7GYL6AHR5HQM5JQKK7CW4TQZ","bundle":"https://pith.science/pith/NN7GYL6AHR5HQM5JQKK7CW4TQZ/bundle.json","state":"https://pith.science/pith/NN7GYL6AHR5HQM5JQKK7CW4TQZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NN7GYL6AHR5HQM5JQKK7CW4TQZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NN7GYL6AHR5HQM5JQKK7CW4TQZ","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":"1c84e5ef7d973eeef9566074608bf55e373ba573fe25486a881e56f43df5e72c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-09T21:00:08Z","title_canon_sha256":"dd8c2e9088f8cc8a2e542e4d6e3da6aceefdfda9d8e7068ee0c5d6b8efdbab71"},"schema_version":"1.0","source":{"id":"1908.03624","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.03624","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"arxiv_version","alias_value":"1908.03624v1","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.03624","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"pith_short_12","alias_value":"NN7GYL6AHR5H","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"pith_short_16","alias_value":"NN7GYL6AHR5HQM5J","created_at":"2026-07-05T00:09:02Z"},{"alias_kind":"pith_short_8","alias_value":"NN7GYL6A","created_at":"2026-07-05T00:09:02Z"}],"graph_snapshots":[{"event_id":"sha256:d2e076c3cfac16557a3787628476a1ec3989fee59f4341debba3830088e9754d","target":"graph","created_at":"2026-07-05T00:09:02Z","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/1908.03624/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the B-fields mapped in IRDC G34.43+0.24 using 850\\,$\\mu$m polarized dust emission observed with the POL-2 instrument at JCMT. We examine the magnetic field geometries and strengths in the northern, central, and southern regions of the filament. The overall field geometry is ordered and aligned closely perpendicular to the filament's main axis, particularly in regions containing the central clumps MM1 and MM2, whereas MM3 in the north has field orientations aligned with its major axis. The overall field orientations are uniform at large (POL-2 at 14$\\arcsec$ and SHARP at 10$\\arcsec$)","authors_text":"Archana Soam, B-G Andersson, Chang Won Lee, Junhao Liu, Kee-Tae Kim, Keping Qiu, Mika Juvela, Neal J. Evans II, Pak Shing Li, Patrick M. Koch, Paul F. Goldsmith, Qizhou Zhang, SCOPE collaborations, Tie Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-09T21:00:08Z","title":"Magnetic fields in the infrared dark cloud G34.43+0.24"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.03624","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:ef10351dbc552b54efe7c0981738b1ce4e9da3e97cd7c44d4de04bef211377f0","target":"record","created_at":"2026-07-05T00:09:02Z","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":"1c84e5ef7d973eeef9566074608bf55e373ba573fe25486a881e56f43df5e72c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-09T21:00:08Z","title_canon_sha256":"dd8c2e9088f8cc8a2e542e4d6e3da6aceefdfda9d8e7068ee0c5d6b8efdbab71"},"schema_version":"1.0","source":{"id":"1908.03624","kind":"arxiv","version":1}},"canonical_sha256":"6b7e6c2fc03c7a7833a98295f15b9386435b96be8da4f1be3e47ac85178104d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b7e6c2fc03c7a7833a98295f15b9386435b96be8da4f1be3e47ac85178104d6","first_computed_at":"2026-07-05T00:09:02.805203Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:09:02.805203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eHjW2t5HXBO1pVNQ2VxA/rxe2gHGZzamJr4JueLoV1EBsgRJTz02iL2EFyb/a31ic4jehAKFDMUjgH2mpGIYDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:09:02.805632Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.03624","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef10351dbc552b54efe7c0981738b1ce4e9da3e97cd7c44d4de04bef211377f0","sha256:d2e076c3cfac16557a3787628476a1ec3989fee59f4341debba3830088e9754d"],"state_sha256":"a349d6f591619986a4881c2768771ad9d7cb9517c78eecd56c95428a9ba6a69e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nHyC7tFvlZ5yhOMPYC0ti2yc2r+Joz1kqvSliIDUFoC44SKFbDCNcw9qyweHI+P/Fb7kmo8mSfq4Fy5iJOZxAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T23:05:56.004780Z","bundle_sha256":"37ca59e6d8deb9cd9a64f60a59a54d5554cad07d50363668394c3d3e10dde7f5"}}