{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7ZSQVAXP2MUZYPLLCNS5BUKR5C","short_pith_number":"pith:7ZSQVAXP","canonical_record":{"source":{"id":"1909.03692","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-09-09T08:12:17Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"1e6aaec14068a2b5de5f3250fafafff1c85c0cdd869e9033a953aa6cbbb52447","abstract_canon_sha256":"10917465b118793f4b87440b9b10b74579d7115267e14e9e70ccb16b67339b26"},"schema_version":"1.0"},"canonical_sha256":"fe650a82efd3299c3d6b1365d0d151e8be925f4ee53a5b49083c5c0bf2e7125a","source":{"kind":"arxiv","id":"1909.03692","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.03692","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"arxiv_version","alias_value":"1909.03692v1","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.03692","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"pith_short_12","alias_value":"7ZSQVAXP2MUZ","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"pith_short_16","alias_value":"7ZSQVAXP2MUZYPLL","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"pith_short_8","alias_value":"7ZSQVAXP","created_at":"2026-07-05T00:17:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7ZSQVAXP2MUZYPLLCNS5BUKR5C","target":"record","payload":{"canonical_record":{"source":{"id":"1909.03692","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-09-09T08:12:17Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"1e6aaec14068a2b5de5f3250fafafff1c85c0cdd869e9033a953aa6cbbb52447","abstract_canon_sha256":"10917465b118793f4b87440b9b10b74579d7115267e14e9e70ccb16b67339b26"},"schema_version":"1.0"},"canonical_sha256":"fe650a82efd3299c3d6b1365d0d151e8be925f4ee53a5b49083c5c0bf2e7125a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:17:14.252351Z","signature_b64":"C7X/d5/zu5Mzz1nIuNU3qBtPG0osfUkpdDWq0YKfwE1Hul0K5WW+qlh2gwJaAv/h8uIOVT9XD/vciLgUSDvxCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe650a82efd3299c3d6b1365d0d151e8be925f4ee53a5b49083c5c0bf2e7125a","last_reissued_at":"2026-07-05T00:17:14.251923Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:17:14.251923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1909.03692","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":"2026-07-05T00:17:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R5d6PZhOsemrNPyoNznZ2q7zIRD6XBS7/V9unCZZhSo/NUXMUvBiHH54yQquowSZMkMcrAFLwMY9omioTlnFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T00:40:15.125203Z"},"content_sha256":"c643afafb172a3c3bf8c2da0a9dbeba9a5f0ca036b6b685d4298a18eac2bcd3d","schema_version":"1.0","event_id":"sha256:c643afafb172a3c3bf8c2da0a9dbeba9a5f0ca036b6b685d4298a18eac2bcd3d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7ZSQVAXP2MUZYPLLCNS5BUKR5C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VLTI/PIONIER survey of disks around post-AGB binaries. Dust sublimation physics rules!","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"D. Kamath, H. Van Winckel, J.-B. Le Bouquin, J. Kluska, J.-P. Berger, M. Hillen, M. Min","submitted_at":"2019-09-09T08:12:17Z","abstract_excerpt":"Post-AGB binaries are surrounded by circumbinary disks of gas and dust that are similar to protoplanetary disks found around young stars. We aim to understand the structure of these disks and identify the physical phenomena at play in their very inner regions. We want to understand the disk-binary interaction and to further investigate the comparison with protoplanetary disks. We have conducted an interferometric snapshot survey of 23 post-AGB binaries in the near-infrared (H-band) using VLTI/PIONIER. We have fitted the multiwavelength visibilities and closure phases with purely geometrical mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.03692","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/1909.03692/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":"2026-07-05T00:17:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z1lcNIHsNkSNtO6Rm+2Uvj6dJ6d/p0hrxddTd8MVVEB4m9RlGACNGiX2yzvawLwJk3u972/skv9fc4qg1A9wAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T00:40:15.125760Z"},"content_sha256":"59153954db244fe99bb7395c96555ec5c5b8e1d31e7474530527f121350e59b6","schema_version":"1.0","event_id":"sha256:59153954db244fe99bb7395c96555ec5c5b8e1d31e7474530527f121350e59b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7ZSQVAXP2MUZYPLLCNS5BUKR5C/bundle.json","state_url":"https://pith.science/pith/7ZSQVAXP2MUZYPLLCNS5BUKR5C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7ZSQVAXP2MUZYPLLCNS5BUKR5C/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":"2026-08-01T00:40:15Z","links":{"resolver":"https://pith.science/pith/7ZSQVAXP2MUZYPLLCNS5BUKR5C","bundle":"https://pith.science/pith/7ZSQVAXP2MUZYPLLCNS5BUKR5C/bundle.json","state":"https://pith.science/pith/7ZSQVAXP2MUZYPLLCNS5BUKR5C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7ZSQVAXP2MUZYPLLCNS5BUKR5C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7ZSQVAXP2MUZYPLLCNS5BUKR5C","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":"10917465b118793f4b87440b9b10b74579d7115267e14e9e70ccb16b67339b26","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-09-09T08:12:17Z","title_canon_sha256":"1e6aaec14068a2b5de5f3250fafafff1c85c0cdd869e9033a953aa6cbbb52447"},"schema_version":"1.0","source":{"id":"1909.03692","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.03692","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"arxiv_version","alias_value":"1909.03692v1","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.03692","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"pith_short_12","alias_value":"7ZSQVAXP2MUZ","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"pith_short_16","alias_value":"7ZSQVAXP2MUZYPLL","created_at":"2026-07-05T00:17:14Z"},{"alias_kind":"pith_short_8","alias_value":"7ZSQVAXP","created_at":"2026-07-05T00:17:14Z"}],"graph_snapshots":[{"event_id":"sha256:59153954db244fe99bb7395c96555ec5c5b8e1d31e7474530527f121350e59b6","target":"graph","created_at":"2026-07-05T00:17:14Z","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/1909.03692/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Post-AGB binaries are surrounded by circumbinary disks of gas and dust that are similar to protoplanetary disks found around young stars. We aim to understand the structure of these disks and identify the physical phenomena at play in their very inner regions. We want to understand the disk-binary interaction and to further investigate the comparison with protoplanetary disks. We have conducted an interferometric snapshot survey of 23 post-AGB binaries in the near-infrared (H-band) using VLTI/PIONIER. We have fitted the multiwavelength visibilities and closure phases with purely geometrical mo","authors_text":"D. Kamath, H. Van Winckel, J.-B. Le Bouquin, J. Kluska, J.-P. Berger, M. Hillen, M. Min","cross_cats":["astro-ph.EP","astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-09-09T08:12:17Z","title":"VLTI/PIONIER survey of disks around post-AGB binaries. Dust sublimation physics rules!"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.03692","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:c643afafb172a3c3bf8c2da0a9dbeba9a5f0ca036b6b685d4298a18eac2bcd3d","target":"record","created_at":"2026-07-05T00:17:14Z","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":"10917465b118793f4b87440b9b10b74579d7115267e14e9e70ccb16b67339b26","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-09-09T08:12:17Z","title_canon_sha256":"1e6aaec14068a2b5de5f3250fafafff1c85c0cdd869e9033a953aa6cbbb52447"},"schema_version":"1.0","source":{"id":"1909.03692","kind":"arxiv","version":1}},"canonical_sha256":"fe650a82efd3299c3d6b1365d0d151e8be925f4ee53a5b49083c5c0bf2e7125a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe650a82efd3299c3d6b1365d0d151e8be925f4ee53a5b49083c5c0bf2e7125a","first_computed_at":"2026-07-05T00:17:14.251923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:17:14.251923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C7X/d5/zu5Mzz1nIuNU3qBtPG0osfUkpdDWq0YKfwE1Hul0K5WW+qlh2gwJaAv/h8uIOVT9XD/vciLgUSDvxCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:17:14.252351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.03692","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c643afafb172a3c3bf8c2da0a9dbeba9a5f0ca036b6b685d4298a18eac2bcd3d","sha256:59153954db244fe99bb7395c96555ec5c5b8e1d31e7474530527f121350e59b6"],"state_sha256":"e9d73421382fe1cb7e455e7acdadaf5f0fc728cc631a2d982bd514b076813a3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JoZ5DolmTDTS5U+jMxv4cZR3rDimtjjWWvvfnQXTBq3AjT7Aym1r0jLVK5RsK0hYKfMBTWQgIRmEjrAmzu/wDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T00:40:15.130660Z","bundle_sha256":"fe77874bc64ba69976e7d26e3446c6afd86350fb37e56d6f31ce97c113bf0f7c"}}