{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ICIDQ6JSJUKEY3V7CZYHLFIIQQ","short_pith_number":"pith:ICIDQ6JS","canonical_record":{"source":{"id":"1409.5497","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-19T01:07:18Z","cross_cats_sorted":[],"title_canon_sha256":"48c3437ed606d363cc79e7d5f70e57dc3035e722500319f427af8dba961db479","abstract_canon_sha256":"7c53913e0e2a1af7647981b88e9283d5ffab0985d857f55c64b0f898534f4c7a"},"schema_version":"1.0"},"canonical_sha256":"40903879324d144c6ebf1670759508841c52eab5b6b78b6fea0b646110c5af7c","source":{"kind":"arxiv","id":"1409.5497","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5497","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5497v2","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5497","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"pith_short_12","alias_value":"ICIDQ6JSJUKE","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"ICIDQ6JSJUKEY3V7","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"ICIDQ6JS","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ICIDQ6JSJUKEY3V7CZYHLFIIQQ","target":"record","payload":{"canonical_record":{"source":{"id":"1409.5497","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-19T01:07:18Z","cross_cats_sorted":[],"title_canon_sha256":"48c3437ed606d363cc79e7d5f70e57dc3035e722500319f427af8dba961db479","abstract_canon_sha256":"7c53913e0e2a1af7647981b88e9283d5ffab0985d857f55c64b0f898534f4c7a"},"schema_version":"1.0"},"canonical_sha256":"40903879324d144c6ebf1670759508841c52eab5b6b78b6fea0b646110c5af7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:21.786309Z","signature_b64":"tiriFMwKMOLpNPyblRSbcphUslPpXFvHorWAHqBvIYVFh13qmKVMz8Kq/cBuOC9019O0x9WIxe92vWs5ndrTCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40903879324d144c6ebf1670759508841c52eab5b6b78b6fea0b646110c5af7c","last_reissued_at":"2026-05-18T02:32:21.785903Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:21.785903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.5497","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:32:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3vidpeS3pMT3ald7Ajl9Dk99vKCmnufPVuTIpgkFrHCGHKDfl80feTr2rl/AgFys2uWBwCrxp7fGdN7m/+EkAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:55:19.380279Z"},"content_sha256":"a35bc756b5611e77c805c17831685a68a4325aec803df7baad7b6b5e7b4c4e23","schema_version":"1.0","event_id":"sha256:a35bc756b5611e77c805c17831685a68a4325aec803df7baad7b6b5e7b4c4e23"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ICIDQ6JSJUKEY3V7CZYHLFIIQQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ALMA sub-mm maser and dust distribution of VY Canis Majoris","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Baudry, A. B. Peck, A. M. Sobolev, A. M. S. Richards, A. Wootten, A. Zijlstra, C. M. V. Impellizzeri, C. Vlahakis, D. Neufeld, E. De Beck, E. M. Humphreys, E. O'Gorman, F. Kerschbaum, G. Melnick, G. M. Harper, H. Shinnaga, I. McDonald, J. A. Yates, L. Decin, L. Testi, L. Uscanga, M. D. Gray, P. Kervella, S. Etoka, S. Muller, S. Yu. Parfenov, T. R. Hunter, W. Vlemmings","submitted_at":"2014-09-19T01:07:18Z","abstract_excerpt":"Cool, evolved stars have copious, enriched winds. The structure of these winds and the way they are accelerated is not well known. We need to improve our understanding by studying the dynamics from the pulsating stellar surface to about 10 stellar radii, where radiation pressure on dust is fully effective. Some red supergiants have highly asymmetric nebulae, implicating additional forces. We retrieved ALMA Science Verification data providing images of sub-mm line and continuum emission from VY CMa. This enables us to locate water masers with milli-arcsec precision and resolve the dusty continu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5497","kind":"arxiv","version":2},"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":"2026-05-18T02:32:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bMHKJejoQKOqvZVDaX3AVsCMnSYzi5QiP1FsntlOo6OVVPjIKTnijbpwbUALN+6756iQevRbJkJj+j7DCP04AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:55:19.380655Z"},"content_sha256":"673b4a69afba7f7162f4ec30788806da93c7f113160c2ed4ef47cfd4a6302080","schema_version":"1.0","event_id":"sha256:673b4a69afba7f7162f4ec30788806da93c7f113160c2ed4ef47cfd4a6302080"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ICIDQ6JSJUKEY3V7CZYHLFIIQQ/bundle.json","state_url":"https://pith.science/pith/ICIDQ6JSJUKEY3V7CZYHLFIIQQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ICIDQ6JSJUKEY3V7CZYHLFIIQQ/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":"2026-06-01T23:55:19Z","links":{"resolver":"https://pith.science/pith/ICIDQ6JSJUKEY3V7CZYHLFIIQQ","bundle":"https://pith.science/pith/ICIDQ6JSJUKEY3V7CZYHLFIIQQ/bundle.json","state":"https://pith.science/pith/ICIDQ6JSJUKEY3V7CZYHLFIIQQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ICIDQ6JSJUKEY3V7CZYHLFIIQQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ICIDQ6JSJUKEY3V7CZYHLFIIQQ","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":"7c53913e0e2a1af7647981b88e9283d5ffab0985d857f55c64b0f898534f4c7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-19T01:07:18Z","title_canon_sha256":"48c3437ed606d363cc79e7d5f70e57dc3035e722500319f427af8dba961db479"},"schema_version":"1.0","source":{"id":"1409.5497","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.5497","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"arxiv_version","alias_value":"1409.5497v2","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5497","created_at":"2026-05-18T02:32:21Z"},{"alias_kind":"pith_short_12","alias_value":"ICIDQ6JSJUKE","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"ICIDQ6JSJUKEY3V7","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"ICIDQ6JS","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:673b4a69afba7f7162f4ec30788806da93c7f113160c2ed4ef47cfd4a6302080","target":"graph","created_at":"2026-05-18T02:32:21Z","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":"Cool, evolved stars have copious, enriched winds. The structure of these winds and the way they are accelerated is not well known. We need to improve our understanding by studying the dynamics from the pulsating stellar surface to about 10 stellar radii, where radiation pressure on dust is fully effective. Some red supergiants have highly asymmetric nebulae, implicating additional forces. We retrieved ALMA Science Verification data providing images of sub-mm line and continuum emission from VY CMa. This enables us to locate water masers with milli-arcsec precision and resolve the dusty continu","authors_text":"A. Baudry, A. B. Peck, A. M. Sobolev, A. M. S. Richards, A. Wootten, A. Zijlstra, C. M. V. Impellizzeri, C. Vlahakis, D. Neufeld, E. De Beck, E. M. Humphreys, E. O'Gorman, F. Kerschbaum, G. Melnick, G. M. Harper, H. Shinnaga, I. McDonald, J. A. Yates, L. Decin, L. Testi, L. Uscanga, M. D. Gray, P. Kervella, S. Etoka, S. Muller, S. Yu. Parfenov, T. R. Hunter, W. Vlemmings","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-19T01:07:18Z","title":"ALMA sub-mm maser and dust distribution of VY Canis Majoris"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5497","kind":"arxiv","version":2},"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:a35bc756b5611e77c805c17831685a68a4325aec803df7baad7b6b5e7b4c4e23","target":"record","created_at":"2026-05-18T02:32:21Z","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":"7c53913e0e2a1af7647981b88e9283d5ffab0985d857f55c64b0f898534f4c7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-19T01:07:18Z","title_canon_sha256":"48c3437ed606d363cc79e7d5f70e57dc3035e722500319f427af8dba961db479"},"schema_version":"1.0","source":{"id":"1409.5497","kind":"arxiv","version":2}},"canonical_sha256":"40903879324d144c6ebf1670759508841c52eab5b6b78b6fea0b646110c5af7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40903879324d144c6ebf1670759508841c52eab5b6b78b6fea0b646110c5af7c","first_computed_at":"2026-05-18T02:32:21.785903Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:21.785903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tiriFMwKMOLpNPyblRSbcphUslPpXFvHorWAHqBvIYVFh13qmKVMz8Kq/cBuOC9019O0x9WIxe92vWs5ndrTCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:21.786309Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.5497","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a35bc756b5611e77c805c17831685a68a4325aec803df7baad7b6b5e7b4c4e23","sha256:673b4a69afba7f7162f4ec30788806da93c7f113160c2ed4ef47cfd4a6302080"],"state_sha256":"4952b2c8bf5ccc9da311122a2ddd44c411ec2f65a746123bbcdc03ab2db36753"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"spKXdSqC6ss7GSeAPDNCQAqJB5xexBHH6J2yCFIfgxhZH7YL7iqk4f2pU/7gA+/oVY6FhO5G6Nrc3/Hu3uDkDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T23:55:19.382628Z","bundle_sha256":"30b0028145d66c67621be79acb3d46af0315bd1fd6b630dc747913c97768245a"}}