{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:E33TKLOE5K5ZQJYCK7BPJW2DDA","short_pith_number":"pith:E33TKLOE","canonical_record":{"source":{"id":"1908.07354","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-08-20T13:57:23Z","cross_cats_sorted":[],"title_canon_sha256":"961239b79230c4eaa7c0175ae3623fd2c8eae007098e90ef09770a9c8e8b2f28","abstract_canon_sha256":"07e2ae28e375b28818bb879977edb2cdf2c011e968bd6fc24ca2d0e0bee5a64b"},"schema_version":"1.0"},"canonical_sha256":"26f7352dc4eabb98270257c2f4db431811d71b81595f2320859bc1ef6da9c365","source":{"kind":"arxiv","id":"1908.07354","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07354","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07354v1","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07354","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"E33TKLOE5K5Z","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"pith_short_16","alias_value":"E33TKLOE5K5ZQJYC","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"pith_short_8","alias_value":"E33TKLOE","created_at":"2026-07-05T00:05:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:E33TKLOE5K5ZQJYCK7BPJW2DDA","target":"record","payload":{"canonical_record":{"source":{"id":"1908.07354","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-08-20T13:57:23Z","cross_cats_sorted":[],"title_canon_sha256":"961239b79230c4eaa7c0175ae3623fd2c8eae007098e90ef09770a9c8e8b2f28","abstract_canon_sha256":"07e2ae28e375b28818bb879977edb2cdf2c011e968bd6fc24ca2d0e0bee5a64b"},"schema_version":"1.0"},"canonical_sha256":"26f7352dc4eabb98270257c2f4db431811d71b81595f2320859bc1ef6da9c365","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:05:13.767678Z","signature_b64":"3TjdTDpuqMZEAtplC7vzm3MES/wjUGws+hlPjOQYLDLuu5SjUr51rfOMecdMJ8SFre1qIXglRVro3wWP4V3iBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26f7352dc4eabb98270257c2f4db431811d71b81595f2320859bc1ef6da9c365","last_reissued_at":"2026-07-05T00:05:13.767305Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:05:13.767305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.07354","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":"2026-07-05T00:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q6XdPKgJkyfvzR9LnOHfg9NcgHgjCBEyLg/gvv/m16m5qPKRkBZVCxtBTHs03cc1uXo142WJOeXfy/E2iEueBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T11:47:01.335965Z"},"content_sha256":"91b1fb7fcff610a43037fb8c759164f228a0e6ec220324df914c0d6e349df737","schema_version":"1.0","event_id":"sha256:91b1fb7fcff610a43037fb8c759164f228a0e6ec220324df914c0d6e349df737"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:E33TKLOE5K5ZQJYCK7BPJW2DDA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the detectability of water ice in debris disks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alexey Potapov, Cornelia J\\\"ager, Harald Mutschke, Minjae Kim, Sebastian Wolf","submitted_at":"2019-08-20T13:57:23Z","abstract_excerpt":"Water ice is important for the evolution and preservation of life. Identifying the distribution of water ice in debris disks is therefore of great interest in the field of astrobiology. Furthermore, icy dust grains are expected to play important roles throughout the entire planet formation process. However, currently available observations only allow deriving weak conclusions about the existence of water ice in debris disks. We investigate whether it is feasible to detect water ice in typical debris disk systems. We take the following ice destruction mechanisms into account: sublimation of ice"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07354","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/1908.07354/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":"2026-07-05T00:05:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+A6YJ1qY0Zs0jzxmdd+cTe33YUKvPnfUh6ahRPqNP479TFJb4G/SOpHjdkUDLBbWRDNwOL63xikdvZiIFmWYDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T11:47:01.336493Z"},"content_sha256":"b5b14fa7bab0c0eec88f949e75aeda071372289a2c7fdd7b5110b7f1a27f1113","schema_version":"1.0","event_id":"sha256:b5b14fa7bab0c0eec88f949e75aeda071372289a2c7fdd7b5110b7f1a27f1113"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E33TKLOE5K5ZQJYCK7BPJW2DDA/bundle.json","state_url":"https://pith.science/pith/E33TKLOE5K5ZQJYCK7BPJW2DDA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E33TKLOE5K5ZQJYCK7BPJW2DDA/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":"2026-08-16T11:47:01Z","links":{"resolver":"https://pith.science/pith/E33TKLOE5K5ZQJYCK7BPJW2DDA","bundle":"https://pith.science/pith/E33TKLOE5K5ZQJYCK7BPJW2DDA/bundle.json","state":"https://pith.science/pith/E33TKLOE5K5ZQJYCK7BPJW2DDA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E33TKLOE5K5ZQJYCK7BPJW2DDA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:E33TKLOE5K5ZQJYCK7BPJW2DDA","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":"07e2ae28e375b28818bb879977edb2cdf2c011e968bd6fc24ca2d0e0bee5a64b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-08-20T13:57:23Z","title_canon_sha256":"961239b79230c4eaa7c0175ae3623fd2c8eae007098e90ef09770a9c8e8b2f28"},"schema_version":"1.0","source":{"id":"1908.07354","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07354","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07354v1","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07354","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"pith_short_12","alias_value":"E33TKLOE5K5Z","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"pith_short_16","alias_value":"E33TKLOE5K5ZQJYC","created_at":"2026-07-05T00:05:13Z"},{"alias_kind":"pith_short_8","alias_value":"E33TKLOE","created_at":"2026-07-05T00:05:13Z"}],"graph_snapshots":[{"event_id":"sha256:b5b14fa7bab0c0eec88f949e75aeda071372289a2c7fdd7b5110b7f1a27f1113","target":"graph","created_at":"2026-07-05T00:05:13Z","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/1908.07354/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Water ice is important for the evolution and preservation of life. Identifying the distribution of water ice in debris disks is therefore of great interest in the field of astrobiology. Furthermore, icy dust grains are expected to play important roles throughout the entire planet formation process. However, currently available observations only allow deriving weak conclusions about the existence of water ice in debris disks. We investigate whether it is feasible to detect water ice in typical debris disk systems. We take the following ice destruction mechanisms into account: sublimation of ice","authors_text":"Alexey Potapov, Cornelia J\\\"ager, Harald Mutschke, Minjae Kim, Sebastian Wolf","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-08-20T13:57:23Z","title":"Constraining the detectability of water ice in debris disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07354","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":"sha256:91b1fb7fcff610a43037fb8c759164f228a0e6ec220324df914c0d6e349df737","target":"record","created_at":"2026-07-05T00:05:13Z","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":"07e2ae28e375b28818bb879977edb2cdf2c011e968bd6fc24ca2d0e0bee5a64b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-08-20T13:57:23Z","title_canon_sha256":"961239b79230c4eaa7c0175ae3623fd2c8eae007098e90ef09770a9c8e8b2f28"},"schema_version":"1.0","source":{"id":"1908.07354","kind":"arxiv","version":1}},"canonical_sha256":"26f7352dc4eabb98270257c2f4db431811d71b81595f2320859bc1ef6da9c365","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26f7352dc4eabb98270257c2f4db431811d71b81595f2320859bc1ef6da9c365","first_computed_at":"2026-07-05T00:05:13.767305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:05:13.767305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3TjdTDpuqMZEAtplC7vzm3MES/wjUGws+hlPjOQYLDLuu5SjUr51rfOMecdMJ8SFre1qIXglRVro3wWP4V3iBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:05:13.767678Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.07354","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91b1fb7fcff610a43037fb8c759164f228a0e6ec220324df914c0d6e349df737","sha256:b5b14fa7bab0c0eec88f949e75aeda071372289a2c7fdd7b5110b7f1a27f1113"],"state_sha256":"5c85d30873f9a238c1b72603983bea80efd42f03ff9cb7e0ee1ec79d8d7bc39c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UTfUkvslKPtqiTp6bEWyz2bQUUjgh4mtR2q0DelRqo2Tut1WrnFTLoy+SaRoSmHQcpcDavthvngTl5V2CZgIBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T11:47:01.341450Z","bundle_sha256":"318bab7b63c705018cbaf16cd1e6d43ab021793bb8ce11047b8d2f9f8277c209"}}