{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VJMQPE6L5VPPUL526ADSLUNX4X","short_pith_number":"pith:VJMQPE6L","canonical_record":{"source":{"id":"2104.11631","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-23T14:33:31Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"9d17283e25312c47409fbfed5cd2afeadf5d9da3bdff47f67540b3f7070119f1","abstract_canon_sha256":"071bed465baa3d86a49ba252abf7d8d0afa6a2ae6fcec421d5004f910ea7725e"},"schema_version":"1.0"},"canonical_sha256":"aa590793cbed5efa2fbaf00725d1b7e5cfebe056fe7dd23cec2b1878885e8a8f","source":{"kind":"arxiv","id":"2104.11631","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.11631","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"arxiv_version","alias_value":"2104.11631v3","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.11631","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"pith_short_12","alias_value":"VJMQPE6L5VPP","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"pith_short_16","alias_value":"VJMQPE6L5VPPUL52","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"pith_short_8","alias_value":"VJMQPE6L","created_at":"2026-07-05T02:37:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VJMQPE6L5VPPUL526ADSLUNX4X","target":"record","payload":{"canonical_record":{"source":{"id":"2104.11631","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-23T14:33:31Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"9d17283e25312c47409fbfed5cd2afeadf5d9da3bdff47f67540b3f7070119f1","abstract_canon_sha256":"071bed465baa3d86a49ba252abf7d8d0afa6a2ae6fcec421d5004f910ea7725e"},"schema_version":"1.0"},"canonical_sha256":"aa590793cbed5efa2fbaf00725d1b7e5cfebe056fe7dd23cec2b1878885e8a8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:37:39.277347Z","signature_b64":"9liIhi2PV6QVsQbjsxB2p1uiJtb1wEL1ZJ4muj2kT1UTCwtanVwTUTn/3KUhDsTK75iHbXqzjNObIHwMjg3rDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa590793cbed5efa2fbaf00725d1b7e5cfebe056fe7dd23cec2b1878885e8a8f","last_reissued_at":"2026-07-05T02:37:39.276956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:37:39.276956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.11631","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:37:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FAaqurM8qjoxcva20xFPW0oRbeqrCUGcig9bk7MPLM0yU6BozTVd+eqFPGxqUVR3t4Qmb1EYJkgh+kWAqMs+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T04:18:25.067512Z"},"content_sha256":"e3315f65f40588bc8d5c136009e5171a17765a7fb47879459fa89979b08db14b","schema_version":"1.0","event_id":"sha256:e3315f65f40588bc8d5c136009e5171a17765a7fb47879459fa89979b08db14b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VJMQPE6L5VPPUL526ADSLUNX4X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dry or water world? How the water contents of inner sub-Neptunes constrain giant planet formation and the location of the water ice line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Aaron Bello-Arufe, Aaron David Schneider, Alexander D. Rathcke, Bertram Bitsch, Lars A. Buchhave, Sean N. Raymond","submitted_at":"2021-04-23T14:33:31Z","abstract_excerpt":"In the pebble accretion scenario, the pebbles that form planets drift inward from the outer disk regions, carrying water ice with them. At the water ice line, the water ice on the inward drifting pebbles evaporates and is released into the gas phase, resulting in water-rich gas and dry pebbles that move into the inner disk regions. Large planetary cores can block the inward drifting pebbles by forming a pressure bump outside their orbit in the protoplanetary disk. Depending on the relative position of a growing planetary core relative to the water ice line, water-rich pebbles might be blocked "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.11631","kind":"arxiv","version":3},"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/2104.11631/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":"2026-07-05T02:37:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5kqGPC9dybihjQKa8b7vkbS/inELSCpFiMCMuLNNyPOqTwzCAQ2offmziv88Fdr0Z72g6t+Y4a1XJ3A0nSvYCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T04:18:25.067882Z"},"content_sha256":"d76fa1dd85d677666378dc1dcbf84d625e74bb8e9f7d8259e30f514d29ca5b52","schema_version":"1.0","event_id":"sha256:d76fa1dd85d677666378dc1dcbf84d625e74bb8e9f7d8259e30f514d29ca5b52"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VJMQPE6L5VPPUL526ADSLUNX4X/bundle.json","state_url":"https://pith.science/pith/VJMQPE6L5VPPUL526ADSLUNX4X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VJMQPE6L5VPPUL526ADSLUNX4X/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":"2026-07-16T04:18:25Z","links":{"resolver":"https://pith.science/pith/VJMQPE6L5VPPUL526ADSLUNX4X","bundle":"https://pith.science/pith/VJMQPE6L5VPPUL526ADSLUNX4X/bundle.json","state":"https://pith.science/pith/VJMQPE6L5VPPUL526ADSLUNX4X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VJMQPE6L5VPPUL526ADSLUNX4X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VJMQPE6L5VPPUL526ADSLUNX4X","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":"071bed465baa3d86a49ba252abf7d8d0afa6a2ae6fcec421d5004f910ea7725e","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-23T14:33:31Z","title_canon_sha256":"9d17283e25312c47409fbfed5cd2afeadf5d9da3bdff47f67540b3f7070119f1"},"schema_version":"1.0","source":{"id":"2104.11631","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.11631","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"arxiv_version","alias_value":"2104.11631v3","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.11631","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"pith_short_12","alias_value":"VJMQPE6L5VPP","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"pith_short_16","alias_value":"VJMQPE6L5VPPUL52","created_at":"2026-07-05T02:37:39Z"},{"alias_kind":"pith_short_8","alias_value":"VJMQPE6L","created_at":"2026-07-05T02:37:39Z"}],"graph_snapshots":[{"event_id":"sha256:d76fa1dd85d677666378dc1dcbf84d625e74bb8e9f7d8259e30f514d29ca5b52","target":"graph","created_at":"2026-07-05T02:37:39Z","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/2104.11631/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the pebble accretion scenario, the pebbles that form planets drift inward from the outer disk regions, carrying water ice with them. At the water ice line, the water ice on the inward drifting pebbles evaporates and is released into the gas phase, resulting in water-rich gas and dry pebbles that move into the inner disk regions. Large planetary cores can block the inward drifting pebbles by forming a pressure bump outside their orbit in the protoplanetary disk. Depending on the relative position of a growing planetary core relative to the water ice line, water-rich pebbles might be blocked ","authors_text":"Aaron Bello-Arufe, Aaron David Schneider, Alexander D. Rathcke, Bertram Bitsch, Lars A. Buchhave, Sean N. Raymond","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-23T14:33:31Z","title":"Dry or water world? How the water contents of inner sub-Neptunes constrain giant planet formation and the location of the water ice line"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.11631","kind":"arxiv","version":3},"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:e3315f65f40588bc8d5c136009e5171a17765a7fb47879459fa89979b08db14b","target":"record","created_at":"2026-07-05T02:37:39Z","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":"071bed465baa3d86a49ba252abf7d8d0afa6a2ae6fcec421d5004f910ea7725e","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2021-04-23T14:33:31Z","title_canon_sha256":"9d17283e25312c47409fbfed5cd2afeadf5d9da3bdff47f67540b3f7070119f1"},"schema_version":"1.0","source":{"id":"2104.11631","kind":"arxiv","version":3}},"canonical_sha256":"aa590793cbed5efa2fbaf00725d1b7e5cfebe056fe7dd23cec2b1878885e8a8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa590793cbed5efa2fbaf00725d1b7e5cfebe056fe7dd23cec2b1878885e8a8f","first_computed_at":"2026-07-05T02:37:39.276956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:37:39.276956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9liIhi2PV6QVsQbjsxB2p1uiJtb1wEL1ZJ4muj2kT1UTCwtanVwTUTn/3KUhDsTK75iHbXqzjNObIHwMjg3rDA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:37:39.277347Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.11631","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3315f65f40588bc8d5c136009e5171a17765a7fb47879459fa89979b08db14b","sha256:d76fa1dd85d677666378dc1dcbf84d625e74bb8e9f7d8259e30f514d29ca5b52"],"state_sha256":"62c2b6893302a856a7a3a4e0cf853dfcd3907b84dd02bdd1a8c4d37d4c0f490c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Erd/B+sVue3WDVJ3Z3e4hKFyRcEr2+TtiQjePl16K2snhGewk6X3yd8x5gWN+ApR6CbUS1PpOQxB3F0KfrPmBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T04:18:25.070127Z","bundle_sha256":"22b666d56a2a1116102e6e3f120819fea20bc3ea5fe54859b3000977eb52309d"}}