{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:H6F5JF65K5T2LSTVDFW6ZXGHOT","short_pith_number":"pith:H6F5JF65","canonical_record":{"source":{"id":"1411.7030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-25T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"0dc47253663810449d8713bc629fc71cf0d7e6dec975b4772954559190822607","abstract_canon_sha256":"8551ebcda94d9f066d5313d35de4b07170946aeec586d6e5878253c8f48d2517"},"schema_version":"1.0"},"canonical_sha256":"3f8bd497dd5767a5ca75196decdcc774e35b8cf9febf6ba0a4c45c6838845c4f","source":{"kind":"arxiv","id":"1411.7030","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7030","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7030v1","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7030","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"H6F5JF65K5T2","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"H6F5JF65K5T2LSTV","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"H6F5JF65","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:H6F5JF65K5T2LSTVDFW6ZXGHOT","target":"record","payload":{"canonical_record":{"source":{"id":"1411.7030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-25T21:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"0dc47253663810449d8713bc629fc71cf0d7e6dec975b4772954559190822607","abstract_canon_sha256":"8551ebcda94d9f066d5313d35de4b07170946aeec586d6e5878253c8f48d2517"},"schema_version":"1.0"},"canonical_sha256":"3f8bd497dd5767a5ca75196decdcc774e35b8cf9febf6ba0a4c45c6838845c4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:25.853675Z","signature_b64":"RNsR0gGa8lYAzVCaOdu8z/aHjluKUn/IabPpFURIwbzOpW88cVJ5rCVPMF1n93uIcVpjqw8QJR9acYiaYe9eBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f8bd497dd5767a5ca75196decdcc774e35b8cf9febf6ba0a4c45c6838845c4f","last_reissued_at":"2026-05-18T01:41:25.852478Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:25.852478Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.7030","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":"2026-05-18T01:41:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XDnDRP5f8pYrY0lUxuYtWzXGPCoBkOhsZR7EiLrga7tZe6R05kestgEcgn6OJ8DsyWDm0Zv1C/Q0wBoXOxXaDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:20:06.933520Z"},"content_sha256":"07a2e8ef302838ffb0f1bc7917c46d9be1c771f9268c89665ddbbf06ecb3685b","schema_version":"1.0","event_id":"sha256:07a2e8ef302838ffb0f1bc7917c46d9be1c771f9268c89665ddbbf06ecb3685b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:H6F5JF65K5T2LSTVDFW6ZXGHOT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Characterizing Extragalactic Anomalous Microwave Emission in NGC 6946 with CARMA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Brandon Hensley, Eric Murphy, Johannes Staguhn","submitted_at":"2014-11-25T21:00:02Z","abstract_excerpt":"Using 1 cm and 3 mm CARMA and 2 mm GISMO observations, we follow up the first extragalactic detection of anomalous microwave emission (AME) reported by Murphy et al. 2010 in an extranuclear region (Enuc. 4) of the nearby face-on spiral galaxy NGC 6946. We find the spectral shape and peak frequency of AME in this region to be consistent with models of spinning dust emission. However, the strength of the emission far exceeds the Galactic AME emissivity given the abundance of polycyclic aromatic hydrocarbons (PAHs) in that region. Using our galaxy-wide 1 cm map (21\" resolution), we identify a tot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7030","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":"2026-05-18T01:41:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ELdMkkIO60EH+9wxwNazS1D44aOCvFH0dkIv7KfvHf7HsT3PwcCK6K5zAY0RXB0NQcwTrDQ+jwi9U5n6vXBwAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T01:20:06.934171Z"},"content_sha256":"45e366e95cf3543d67a22aca7b4f04ec235f3994127c82d163cc2332a1234c7a","schema_version":"1.0","event_id":"sha256:45e366e95cf3543d67a22aca7b4f04ec235f3994127c82d163cc2332a1234c7a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H6F5JF65K5T2LSTVDFW6ZXGHOT/bundle.json","state_url":"https://pith.science/pith/H6F5JF65K5T2LSTVDFW6ZXGHOT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H6F5JF65K5T2LSTVDFW6ZXGHOT/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":"2026-05-30T01:20:06Z","links":{"resolver":"https://pith.science/pith/H6F5JF65K5T2LSTVDFW6ZXGHOT","bundle":"https://pith.science/pith/H6F5JF65K5T2LSTVDFW6ZXGHOT/bundle.json","state":"https://pith.science/pith/H6F5JF65K5T2LSTVDFW6ZXGHOT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H6F5JF65K5T2LSTVDFW6ZXGHOT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:H6F5JF65K5T2LSTVDFW6ZXGHOT","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":"8551ebcda94d9f066d5313d35de4b07170946aeec586d6e5878253c8f48d2517","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-25T21:00:02Z","title_canon_sha256":"0dc47253663810449d8713bc629fc71cf0d7e6dec975b4772954559190822607"},"schema_version":"1.0","source":{"id":"1411.7030","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.7030","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1411.7030v1","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.7030","created_at":"2026-05-18T01:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"H6F5JF65K5T2","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"H6F5JF65K5T2LSTV","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"H6F5JF65","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:45e366e95cf3543d67a22aca7b4f04ec235f3994127c82d163cc2332a1234c7a","target":"graph","created_at":"2026-05-18T01:41:25Z","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":"Using 1 cm and 3 mm CARMA and 2 mm GISMO observations, we follow up the first extragalactic detection of anomalous microwave emission (AME) reported by Murphy et al. 2010 in an extranuclear region (Enuc. 4) of the nearby face-on spiral galaxy NGC 6946. We find the spectral shape and peak frequency of AME in this region to be consistent with models of spinning dust emission. However, the strength of the emission far exceeds the Galactic AME emissivity given the abundance of polycyclic aromatic hydrocarbons (PAHs) in that region. Using our galaxy-wide 1 cm map (21\" resolution), we identify a tot","authors_text":"Brandon Hensley, Eric Murphy, Johannes Staguhn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-25T21:00:02Z","title":"Characterizing Extragalactic Anomalous Microwave Emission in NGC 6946 with CARMA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.7030","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":"sha256:07a2e8ef302838ffb0f1bc7917c46d9be1c771f9268c89665ddbbf06ecb3685b","target":"record","created_at":"2026-05-18T01:41:25Z","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":"8551ebcda94d9f066d5313d35de4b07170946aeec586d6e5878253c8f48d2517","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-11-25T21:00:02Z","title_canon_sha256":"0dc47253663810449d8713bc629fc71cf0d7e6dec975b4772954559190822607"},"schema_version":"1.0","source":{"id":"1411.7030","kind":"arxiv","version":1}},"canonical_sha256":"3f8bd497dd5767a5ca75196decdcc774e35b8cf9febf6ba0a4c45c6838845c4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f8bd497dd5767a5ca75196decdcc774e35b8cf9febf6ba0a4c45c6838845c4f","first_computed_at":"2026-05-18T01:41:25.852478Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:25.852478Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RNsR0gGa8lYAzVCaOdu8z/aHjluKUn/IabPpFURIwbzOpW88cVJ5rCVPMF1n93uIcVpjqw8QJR9acYiaYe9eBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:25.853675Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.7030","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07a2e8ef302838ffb0f1bc7917c46d9be1c771f9268c89665ddbbf06ecb3685b","sha256:45e366e95cf3543d67a22aca7b4f04ec235f3994127c82d163cc2332a1234c7a"],"state_sha256":"cf445410573b624b043ed9fb705b854d5df0a6e8665b2b6abc7cac7b74d89a2f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2CtX1iciBNIw19QGk2o56tv+wSQnq0EXTBMQ3L+XpJ4ngnrvr7oGdptgPMkpbV3ztURxSvR1eyeQH/Py9dUpDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T01:20:06.937389Z","bundle_sha256":"a79eb20a05a14549eab4af499164848da53c14cd9b2a813c737748bd6b26f89e"}}