{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:GWVEUBL2ZN5SCW7MLZ42623ML6","short_pith_number":"pith:GWVEUBL2","canonical_record":{"source":{"id":"2605.21678","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-20T19:36:57Z","cross_cats_sorted":[],"title_canon_sha256":"7604cf4d74c03c35ac2b8ec7337a986df10ae9f9ab95526c781cce0491ad953c","abstract_canon_sha256":"e47051abd56da05d8525b52b668b6745cce7638e0331f0e350983ee35e9d9b64"},"schema_version":"1.0"},"canonical_sha256":"35aa4a057acb7b215bec5e79af6b6c5fa7e3eac38c79062b263358ff2d424ce2","source":{"kind":"arxiv","id":"2605.21678","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21678","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21678v1","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21678","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"pith_short_12","alias_value":"GWVEUBL2ZN5S","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"pith_short_16","alias_value":"GWVEUBL2ZN5SCW7M","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"pith_short_8","alias_value":"GWVEUBL2","created_at":"2026-05-22T01:03:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:GWVEUBL2ZN5SCW7MLZ42623ML6","target":"record","payload":{"canonical_record":{"source":{"id":"2605.21678","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-20T19:36:57Z","cross_cats_sorted":[],"title_canon_sha256":"7604cf4d74c03c35ac2b8ec7337a986df10ae9f9ab95526c781cce0491ad953c","abstract_canon_sha256":"e47051abd56da05d8525b52b668b6745cce7638e0331f0e350983ee35e9d9b64"},"schema_version":"1.0"},"canonical_sha256":"35aa4a057acb7b215bec5e79af6b6c5fa7e3eac38c79062b263358ff2d424ce2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-22T01:03:27.827685Z","signature_b64":"IHt/htCIz44Rqh7PT4PSCQqQBXN5C6LxOOsbh6REnWs8CfsSwQyEiRUm3dNPMpJP2QgFbmr5QP0jr1VFTLOSDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35aa4a057acb7b215bec5e79af6b6c5fa7e3eac38c79062b263358ff2d424ce2","last_reissued_at":"2026-05-22T01:03:27.827187Z","signature_status":"signed_v1","first_computed_at":"2026-05-22T01:03:27.827187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.21678","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":"2026-05-22T01:03:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nd8D3fJBlCVWD+p2ppgBY/tOK264PtGHsxs9WeveTy6t50i2SmpEtdMoGE7y7NK8mwGZKOb10iI4ZswCSgNdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:37:14.135596Z"},"content_sha256":"e3069c6b227974a7b4bd21791b8823ffa6ef3fc7d856edde425911b80cf7c434","schema_version":"1.0","event_id":"sha256:e3069c6b227974a7b4bd21791b8823ffa6ef3fc7d856edde425911b80cf7c434"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:GWVEUBL2ZN5SCW7MLZ42623ML6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"29SiO and 30SiO J=1--0 maser signatures in Galactic AGB stars: the impact of third dredge up and turbulence velocity","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"J.H. van Langevelde, L.O. Sjouwerman, M.C Stroh, M.O. Lewis, R. Bhattacharya, Y.M. Pihlstr\\\"om","submitted_at":"2026-05-20T19:36:57Z","abstract_excerpt":"J=1--0 SiO masers at 43 GHz have a well-established distinctive signature in asymptotic giant branch (AGB) stars. 28SiO transitions typically dominate these spectra with the v=1 and v=2 emission being especially prominent and ubiquitous. Several predictions about enhanced 29SiO abundances in exotic stars prompt us to catalog the cases where 29SiO maser emission is enhanced compared to 28SiO. Our purpose is to catalog the known cases of 43 GHz spectra dominated by emission from isotopologue transitions (iso-dom spectra), to explore the commonalities in these sources, and to explain the cause of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21678","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/2605.21678/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":"2026-05-22T01:03:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h7nJh5BuWsy8pP/QMVtu6ZHbx1R1z2jxbCaVM3iW+bVjy5EaWVulSuKPNS30hXzN1fpr8zkuRpSsTlEyUUB1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:37:14.136002Z"},"content_sha256":"717e5e9ac62fd13a1084baa3bfe90195b98a7c81afa178daed12528dd8f2c736","schema_version":"1.0","event_id":"sha256:717e5e9ac62fd13a1084baa3bfe90195b98a7c81afa178daed12528dd8f2c736"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GWVEUBL2ZN5SCW7MLZ42623ML6/bundle.json","state_url":"https://pith.science/pith/GWVEUBL2ZN5SCW7MLZ42623ML6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GWVEUBL2ZN5SCW7MLZ42623ML6/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":"2026-06-08T22:37:14Z","links":{"resolver":"https://pith.science/pith/GWVEUBL2ZN5SCW7MLZ42623ML6","bundle":"https://pith.science/pith/GWVEUBL2ZN5SCW7MLZ42623ML6/bundle.json","state":"https://pith.science/pith/GWVEUBL2ZN5SCW7MLZ42623ML6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GWVEUBL2ZN5SCW7MLZ42623ML6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GWVEUBL2ZN5SCW7MLZ42623ML6","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":"e47051abd56da05d8525b52b668b6745cce7638e0331f0e350983ee35e9d9b64","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-20T19:36:57Z","title_canon_sha256":"7604cf4d74c03c35ac2b8ec7337a986df10ae9f9ab95526c781cce0491ad953c"},"schema_version":"1.0","source":{"id":"2605.21678","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21678","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21678v1","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21678","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"pith_short_12","alias_value":"GWVEUBL2ZN5S","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"pith_short_16","alias_value":"GWVEUBL2ZN5SCW7M","created_at":"2026-05-22T01:03:27Z"},{"alias_kind":"pith_short_8","alias_value":"GWVEUBL2","created_at":"2026-05-22T01:03:27Z"}],"graph_snapshots":[{"event_id":"sha256:717e5e9ac62fd13a1084baa3bfe90195b98a7c81afa178daed12528dd8f2c736","target":"graph","created_at":"2026-05-22T01:03:27Z","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/2605.21678/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"J=1--0 SiO masers at 43 GHz have a well-established distinctive signature in asymptotic giant branch (AGB) stars. 28SiO transitions typically dominate these spectra with the v=1 and v=2 emission being especially prominent and ubiquitous. Several predictions about enhanced 29SiO abundances in exotic stars prompt us to catalog the cases where 29SiO maser emission is enhanced compared to 28SiO. Our purpose is to catalog the known cases of 43 GHz spectra dominated by emission from isotopologue transitions (iso-dom spectra), to explore the commonalities in these sources, and to explain the cause of","authors_text":"J.H. van Langevelde, L.O. Sjouwerman, M.C Stroh, M.O. Lewis, R. Bhattacharya, Y.M. Pihlstr\\\"om","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-20T19:36:57Z","title":"29SiO and 30SiO J=1--0 maser signatures in Galactic AGB stars: the impact of third dredge up and turbulence velocity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21678","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:e3069c6b227974a7b4bd21791b8823ffa6ef3fc7d856edde425911b80cf7c434","target":"record","created_at":"2026-05-22T01:03:27Z","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":"e47051abd56da05d8525b52b668b6745cce7638e0331f0e350983ee35e9d9b64","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-05-20T19:36:57Z","title_canon_sha256":"7604cf4d74c03c35ac2b8ec7337a986df10ae9f9ab95526c781cce0491ad953c"},"schema_version":"1.0","source":{"id":"2605.21678","kind":"arxiv","version":1}},"canonical_sha256":"35aa4a057acb7b215bec5e79af6b6c5fa7e3eac38c79062b263358ff2d424ce2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35aa4a057acb7b215bec5e79af6b6c5fa7e3eac38c79062b263358ff2d424ce2","first_computed_at":"2026-05-22T01:03:27.827187Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T01:03:27.827187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IHt/htCIz44Rqh7PT4PSCQqQBXN5C6LxOOsbh6REnWs8CfsSwQyEiRUm3dNPMpJP2QgFbmr5QP0jr1VFTLOSDQ==","signature_status":"signed_v1","signed_at":"2026-05-22T01:03:27.827685Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21678","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3069c6b227974a7b4bd21791b8823ffa6ef3fc7d856edde425911b80cf7c434","sha256:717e5e9ac62fd13a1084baa3bfe90195b98a7c81afa178daed12528dd8f2c736"],"state_sha256":"ccb02afd9acb178f96f8a37d8ee777c8f85796a01d686a75bd12dbed6643327e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UiVeBVo8TisN3DA5sTanpdQcA5y2dm/fVhVTKglhofsdgcH5yrRzrWF9/celnal/vqrWe0LziwxVDB6RzrZhBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T22:37:14.138363Z","bundle_sha256":"084ec58ade0b2bfb9c2f61a98e7916c1b6e3e725d719fbaa88fe5f5cfda8e6bb"}}