{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:IVDURUPCPBC3WHTZWJEMAMQBSF","short_pith_number":"pith:IVDURUPC","canonical_record":{"source":{"id":"1209.5487","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-25T03:29:41Z","cross_cats_sorted":[],"title_canon_sha256":"f05a011e5aea38300629b42f61ffb0966d7f78acd1006350c7d01464835cd3f4","abstract_canon_sha256":"b6c77852e11a6b43a68cfb037caa5b79f1dd96111f69e893928950e3b8b81738"},"schema_version":"1.0"},"canonical_sha256":"454748d1e27845bb1e79b248c0320191438fbd5b42d947e08481bf62db86ac40","source":{"kind":"arxiv","id":"1209.5487","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5487","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5487v1","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5487","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"IVDURUPCPBC3","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IVDURUPCPBC3WHTZ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IVDURUPC","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:IVDURUPCPBC3WHTZWJEMAMQBSF","target":"record","payload":{"canonical_record":{"source":{"id":"1209.5487","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-25T03:29:41Z","cross_cats_sorted":[],"title_canon_sha256":"f05a011e5aea38300629b42f61ffb0966d7f78acd1006350c7d01464835cd3f4","abstract_canon_sha256":"b6c77852e11a6b43a68cfb037caa5b79f1dd96111f69e893928950e3b8b81738"},"schema_version":"1.0"},"canonical_sha256":"454748d1e27845bb1e79b248c0320191438fbd5b42d947e08481bf62db86ac40","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:19.204543Z","signature_b64":"e4mpZvN0PpgwrFk+lUGDNxz5MGmYa16Y7fKRMX5vxJ33sHGXgEyUPw8/fx6H0Qusbl4Vx5tkYs40UMiwwyMcDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"454748d1e27845bb1e79b248c0320191438fbd5b42d947e08481bf62db86ac40","last_reissued_at":"2026-05-18T01:54:19.204170Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:19.204170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.5487","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":"2026-05-18T01:54:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T9glmNj+sS6/38upV3cVLIjB59J5/61D/oBa+8H2r2fpUZeJeGw01k2y1tXG2Vxo5iIANppc01tbzCqc6QWwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:27:49.678438Z"},"content_sha256":"b7cd3fd3bc3b462a7c42e643f922c3777b8e903429613d4ef9431fb418ab684a","schema_version":"1.0","event_id":"sha256:b7cd3fd3bc3b462a7c42e643f922c3777b8e903429613d4ef9431fb418ab684a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:IVDURUPCPBC3WHTZWJEMAMQBSF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Water and Methanol Maser Activities in the NGC 2024 FIR 6 Region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Do-Young Byun, Jeong-Eun Lee, Miju Kang, Minho Choi","submitted_at":"2012-09-25T03:29:41Z","abstract_excerpt":"The NGC 2024 FIR 6 region was observed in the water maser line at 22 GHz and the methanol class I maser lines at 44, 95, and 133 GHz. The water maser spectra displayed several velocity components and month-scale time variabilities. Most of the velocity components may be associated with FIR 6n, while one component was associated with FIR 4. A typical life time of the water-maser velocity-components is about 8 months. The components showed velocity fluctuations with a typical drift rate of about 0.01 km/s/day. The methanol class I masers were detected toward FIR 6. The methanol emission is confi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5487","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":"2026-05-18T01:54:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dTgra4Vx0hsEW8tV8tyEtsAwbRex2orPejGK6jX+fsaIKQY5xM4VgTmUTHNFj2e9HVcetoa0BOMSNRh/MUGkBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:27:49.679096Z"},"content_sha256":"cc00952387949d4fb6e3f9143fd337d76ad4d1392427adc1c96aee2ca73ea00f","schema_version":"1.0","event_id":"sha256:cc00952387949d4fb6e3f9143fd337d76ad4d1392427adc1c96aee2ca73ea00f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IVDURUPCPBC3WHTZWJEMAMQBSF/bundle.json","state_url":"https://pith.science/pith/IVDURUPCPBC3WHTZWJEMAMQBSF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IVDURUPCPBC3WHTZWJEMAMQBSF/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":"2026-06-07T17:27:49Z","links":{"resolver":"https://pith.science/pith/IVDURUPCPBC3WHTZWJEMAMQBSF","bundle":"https://pith.science/pith/IVDURUPCPBC3WHTZWJEMAMQBSF/bundle.json","state":"https://pith.science/pith/IVDURUPCPBC3WHTZWJEMAMQBSF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IVDURUPCPBC3WHTZWJEMAMQBSF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:IVDURUPCPBC3WHTZWJEMAMQBSF","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":"b6c77852e11a6b43a68cfb037caa5b79f1dd96111f69e893928950e3b8b81738","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-25T03:29:41Z","title_canon_sha256":"f05a011e5aea38300629b42f61ffb0966d7f78acd1006350c7d01464835cd3f4"},"schema_version":"1.0","source":{"id":"1209.5487","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5487","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5487v1","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5487","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"IVDURUPCPBC3","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"IVDURUPCPBC3WHTZ","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"IVDURUPC","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:cc00952387949d4fb6e3f9143fd337d76ad4d1392427adc1c96aee2ca73ea00f","target":"graph","created_at":"2026-05-18T01:54:19Z","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 NGC 2024 FIR 6 region was observed in the water maser line at 22 GHz and the methanol class I maser lines at 44, 95, and 133 GHz. The water maser spectra displayed several velocity components and month-scale time variabilities. Most of the velocity components may be associated with FIR 6n, while one component was associated with FIR 4. A typical life time of the water-maser velocity-components is about 8 months. The components showed velocity fluctuations with a typical drift rate of about 0.01 km/s/day. The methanol class I masers were detected toward FIR 6. The methanol emission is confi","authors_text":"Do-Young Byun, Jeong-Eun Lee, Miju Kang, Minho Choi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-25T03:29:41Z","title":"Water and Methanol Maser Activities in the NGC 2024 FIR 6 Region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5487","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:b7cd3fd3bc3b462a7c42e643f922c3777b8e903429613d4ef9431fb418ab684a","target":"record","created_at":"2026-05-18T01:54:19Z","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":"b6c77852e11a6b43a68cfb037caa5b79f1dd96111f69e893928950e3b8b81738","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-25T03:29:41Z","title_canon_sha256":"f05a011e5aea38300629b42f61ffb0966d7f78acd1006350c7d01464835cd3f4"},"schema_version":"1.0","source":{"id":"1209.5487","kind":"arxiv","version":1}},"canonical_sha256":"454748d1e27845bb1e79b248c0320191438fbd5b42d947e08481bf62db86ac40","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"454748d1e27845bb1e79b248c0320191438fbd5b42d947e08481bf62db86ac40","first_computed_at":"2026-05-18T01:54:19.204170Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:19.204170Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e4mpZvN0PpgwrFk+lUGDNxz5MGmYa16Y7fKRMX5vxJ33sHGXgEyUPw8/fx6H0Qusbl4Vx5tkYs40UMiwwyMcDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:19.204543Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5487","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7cd3fd3bc3b462a7c42e643f922c3777b8e903429613d4ef9431fb418ab684a","sha256:cc00952387949d4fb6e3f9143fd337d76ad4d1392427adc1c96aee2ca73ea00f"],"state_sha256":"7cc4f0a66654d86becfbb077259327a8ef99beb4b84b7bc9d2d1a839e665d694"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4GdWq8I0P3Wl+BWGu8so7patMUWvyeT7QMllFp2605U/LL/LrVnrDYxExtt+n5VDsXUJXTM8SFxpHcoQTaI7Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:27:49.682565Z","bundle_sha256":"f64406b1a4066ae31c7ec5f9656fce279878108ebc777657122648d630ec9ce9"}}