{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:2AEEWE7CWO34LCDJDXW3FW7B2P","short_pith_number":"pith:2AEEWE7C","canonical_record":{"source":{"id":"0906.0876","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-06-04T10:27:51Z","cross_cats_sorted":[],"title_canon_sha256":"966fd64abfd1aa80f84145a29fb379cbea77a9dbe6d164a28fe63eb5c4d9cdb3","abstract_canon_sha256":"fc33b2eff653c42457bcc4a1141e1fc63a53bea78c67c37a8a5017d70bf014d9"},"schema_version":"1.0"},"canonical_sha256":"d0084b13e2b3b7c588691dedb2dbe1d3c74a71648c0ca9032f14290f05fcd24c","source":{"kind":"arxiv","id":"0906.0876","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.0876","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"arxiv_version","alias_value":"0906.0876v1","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.0876","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"pith_short_12","alias_value":"2AEEWE7CWO34","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"2AEEWE7CWO34LCDJ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"2AEEWE7C","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:2AEEWE7CWO34LCDJDXW3FW7B2P","target":"record","payload":{"canonical_record":{"source":{"id":"0906.0876","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-06-04T10:27:51Z","cross_cats_sorted":[],"title_canon_sha256":"966fd64abfd1aa80f84145a29fb379cbea77a9dbe6d164a28fe63eb5c4d9cdb3","abstract_canon_sha256":"fc33b2eff653c42457bcc4a1141e1fc63a53bea78c67c37a8a5017d70bf014d9"},"schema_version":"1.0"},"canonical_sha256":"d0084b13e2b3b7c588691dedb2dbe1d3c74a71648c0ca9032f14290f05fcd24c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:29.085928Z","signature_b64":"BiAsWp3C3pNWYP65z/Ou0mQdBOL1KOEWMN4VqrFJ/WWYI7oXKewmyuthJ1fGc+ISX+rfE46EJALq6WBtBLoBBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0084b13e2b3b7c588691dedb2dbe1d3c74a71648c0ca9032f14290f05fcd24c","last_reissued_at":"2026-05-18T02:13:29.085210Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:29.085210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.0876","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":"2026-05-18T02:13:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OZE7MVzWX881VEndIvGTUNBTD6UwRXyGPh+YNAkBB4TRjB10KddT9pVeIq9wLA7rgHlVq0nkA033aWKgHQ6oAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:20:36.394185Z"},"content_sha256":"45280ae192345b6c9de851878a12ab556b569a46be9b82d8956878b16b487356","schema_version":"1.0","event_id":"sha256:45280ae192345b6c9de851878a12ab556b569a46be9b82d8956878b16b487356"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:2AEEWE7CWO34LCDJDXW3FW7B2P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Periodic class II methanol masers in G9.62+0.20E","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"D.J. van der Walt, M.J. Gaylard, S. Goedhart","submitted_at":"2009-06-04T10:27:51Z","abstract_excerpt":"We present the light curves of the 6.7 and 12.2 GHz methanol masers in the star forming region G9.62+0.20E for a time span of more than 2600 days. The earlier reported period of 244 days is confirmed. The results of monitoring the 107 GHz methanol maser for two flares are also presented. The results show that flaring occurs in all three masing transitions. It is shown that the average flare profiles of the three masing transitions are similar. The 12.2 GHz masers are the most variable of the three masers with the largest relative amplitude having a value of 2.4. The flux densities for the diff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.0876","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":"2026-05-18T02:13:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S7P4+UC8Pe9h/Ep9Ge9x/rXkr9x2jMRUNOHIVOCX4RDEGG1v7mpxJnXgmdDrn6SoOTCf9Rh5ED2rKnxZtGysAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T08:20:36.394895Z"},"content_sha256":"c2d57ec051b8364855fdc114c75c3fac69a6e580224e3d0e53bcaeab094cf3dd","schema_version":"1.0","event_id":"sha256:c2d57ec051b8364855fdc114c75c3fac69a6e580224e3d0e53bcaeab094cf3dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2AEEWE7CWO34LCDJDXW3FW7B2P/bundle.json","state_url":"https://pith.science/pith/2AEEWE7CWO34LCDJDXW3FW7B2P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2AEEWE7CWO34LCDJDXW3FW7B2P/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":"2026-05-26T08:20:36Z","links":{"resolver":"https://pith.science/pith/2AEEWE7CWO34LCDJDXW3FW7B2P","bundle":"https://pith.science/pith/2AEEWE7CWO34LCDJDXW3FW7B2P/bundle.json","state":"https://pith.science/pith/2AEEWE7CWO34LCDJDXW3FW7B2P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2AEEWE7CWO34LCDJDXW3FW7B2P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:2AEEWE7CWO34LCDJDXW3FW7B2P","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":"fc33b2eff653c42457bcc4a1141e1fc63a53bea78c67c37a8a5017d70bf014d9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-06-04T10:27:51Z","title_canon_sha256":"966fd64abfd1aa80f84145a29fb379cbea77a9dbe6d164a28fe63eb5c4d9cdb3"},"schema_version":"1.0","source":{"id":"0906.0876","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.0876","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"arxiv_version","alias_value":"0906.0876v1","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.0876","created_at":"2026-05-18T02:13:29Z"},{"alias_kind":"pith_short_12","alias_value":"2AEEWE7CWO34","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"2AEEWE7CWO34LCDJ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"2AEEWE7C","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:c2d57ec051b8364855fdc114c75c3fac69a6e580224e3d0e53bcaeab094cf3dd","target":"graph","created_at":"2026-05-18T02:13:29Z","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 the light curves of the 6.7 and 12.2 GHz methanol masers in the star forming region G9.62+0.20E for a time span of more than 2600 days. The earlier reported period of 244 days is confirmed. The results of monitoring the 107 GHz methanol maser for two flares are also presented. The results show that flaring occurs in all three masing transitions. It is shown that the average flare profiles of the three masing transitions are similar. The 12.2 GHz masers are the most variable of the three masers with the largest relative amplitude having a value of 2.4. The flux densities for the diff","authors_text":"D.J. van der Walt, M.J. Gaylard, S. Goedhart","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-06-04T10:27:51Z","title":"Periodic class II methanol masers in G9.62+0.20E"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.0876","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":"sha256:45280ae192345b6c9de851878a12ab556b569a46be9b82d8956878b16b487356","target":"record","created_at":"2026-05-18T02:13:29Z","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":"fc33b2eff653c42457bcc4a1141e1fc63a53bea78c67c37a8a5017d70bf014d9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-06-04T10:27:51Z","title_canon_sha256":"966fd64abfd1aa80f84145a29fb379cbea77a9dbe6d164a28fe63eb5c4d9cdb3"},"schema_version":"1.0","source":{"id":"0906.0876","kind":"arxiv","version":1}},"canonical_sha256":"d0084b13e2b3b7c588691dedb2dbe1d3c74a71648c0ca9032f14290f05fcd24c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0084b13e2b3b7c588691dedb2dbe1d3c74a71648c0ca9032f14290f05fcd24c","first_computed_at":"2026-05-18T02:13:29.085210Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:29.085210Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BiAsWp3C3pNWYP65z/Ou0mQdBOL1KOEWMN4VqrFJ/WWYI7oXKewmyuthJ1fGc+ISX+rfE46EJALq6WBtBLoBBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:29.085928Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.0876","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:45280ae192345b6c9de851878a12ab556b569a46be9b82d8956878b16b487356","sha256:c2d57ec051b8364855fdc114c75c3fac69a6e580224e3d0e53bcaeab094cf3dd"],"state_sha256":"cce70e77f482520c5c997ab5e5b8aebec7715e5ace5ed45c2b02a1eab9222cc2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pydbDI7POKoXdhUeaVAQQk684SA2ZBFJdZMKp1YBwQaOzlMNDt+81INj/tTvTlSOCYEqD2rjogEwIXu/fiukCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T08:20:36.398575Z","bundle_sha256":"fb8c344a6fe82097b19145512ef4166d1f44cf8fbc3c09a03781c843f34fe664"}}