{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4LCU37BTN4XSOVWPKSGXKYLGSU","short_pith_number":"pith:4LCU37BT","canonical_record":{"source":{"id":"2210.13674","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-10-25T00:19:48Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"8c9836a63d2f7351326a4a1de231fb4eb983f1e98c9c659e9e9e7aba52c234a5","abstract_canon_sha256":"23891620d45a099fb2d7e0a961a5249f6cfa8bc4063e09520f359111fd910299"},"schema_version":"1.0"},"canonical_sha256":"e2c54dfc336f2f2756cf548d756166950d075f4a2003a06cb1d728001395b543","source":{"kind":"arxiv","id":"2210.13674","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.13674","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"arxiv_version","alias_value":"2210.13674v1","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.13674","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_12","alias_value":"4LCU37BTN4XS","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_16","alias_value":"4LCU37BTN4XSOVWP","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_8","alias_value":"4LCU37BT","created_at":"2026-07-05T06:20:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4LCU37BTN4XSOVWPKSGXKYLGSU","target":"record","payload":{"canonical_record":{"source":{"id":"2210.13674","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-10-25T00:19:48Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"8c9836a63d2f7351326a4a1de231fb4eb983f1e98c9c659e9e9e7aba52c234a5","abstract_canon_sha256":"23891620d45a099fb2d7e0a961a5249f6cfa8bc4063e09520f359111fd910299"},"schema_version":"1.0"},"canonical_sha256":"e2c54dfc336f2f2756cf548d756166950d075f4a2003a06cb1d728001395b543","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:20:20.279563Z","signature_b64":"ppFssBok15YSA+LlfpcHlp35n0oiw4QMVYhWqqeaixLAynJ9Rz8ZVBUmMYAtdq/cil8fQ+XPwwGWqJ+6IBguCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2c54dfc336f2f2756cf548d756166950d075f4a2003a06cb1d728001395b543","last_reissued_at":"2026-07-05T06:20:20.279072Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:20:20.279072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.13674","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":"2026-07-05T06:20:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T0cl23WQpijXCYBBOZh1fAkmx1wTjVZHR6TMhEVc+EX6dddjr1ZLBSqFu/FkWdidJjaMq1cJa67oGCvxj+UEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:40:01.307282Z"},"content_sha256":"be7e54545b8388bc0f05975c8409532f9312f40db7f92ad1b4f33f7a31002ba4","schema_version":"1.0","event_id":"sha256:be7e54545b8388bc0f05975c8409532f9312f40db7f92ad1b4f33f7a31002ba4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4LCU37BTN4XSOVWPKSGXKYLGSU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Halting Migration in Magnetospherically Sculpted Protoplanetary Disks","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Brad Hansen, Tze Yeung Mathew Yu, Yasuhiro Hasegawa","submitted_at":"2022-10-25T00:19:48Z","abstract_excerpt":"We present a physically motivated model for the manner in which a stellar magnetic field sculpts the inner edge of a protoplanetary disk, and examine the consequence for the migration and stopping of sub-Neptune and super-Earth planets. This model incorporates a transition zone exterior to the inner truncation of the disk, where the surface density profile is modified by the diffusion of the stellar magnetic field into the disk. This modification results in a migration trap at the outer edge of the transition zone. We performed simulations of single planet migration, considering a range of ste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.13674","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/2210.13674/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":"2026-07-05T06:20:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fAMHjHhtE6RmrKobZLDtqtqbtywiNW9WJDQbbnALkiFnN4N7zo1X228x/vU6LUd+Js73pXoRFrgA29sNhHsAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:40:01.307908Z"},"content_sha256":"c6543cbd50ecbe567f792f5c7d4426f7c77e8c37b3df556a0b03ac45d638df34","schema_version":"1.0","event_id":"sha256:c6543cbd50ecbe567f792f5c7d4426f7c77e8c37b3df556a0b03ac45d638df34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4LCU37BTN4XSOVWPKSGXKYLGSU/bundle.json","state_url":"https://pith.science/pith/4LCU37BTN4XSOVWPKSGXKYLGSU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4LCU37BTN4XSOVWPKSGXKYLGSU/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":"2026-08-10T14:40:01Z","links":{"resolver":"https://pith.science/pith/4LCU37BTN4XSOVWPKSGXKYLGSU","bundle":"https://pith.science/pith/4LCU37BTN4XSOVWPKSGXKYLGSU/bundle.json","state":"https://pith.science/pith/4LCU37BTN4XSOVWPKSGXKYLGSU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4LCU37BTN4XSOVWPKSGXKYLGSU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4LCU37BTN4XSOVWPKSGXKYLGSU","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":"23891620d45a099fb2d7e0a961a5249f6cfa8bc4063e09520f359111fd910299","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-10-25T00:19:48Z","title_canon_sha256":"8c9836a63d2f7351326a4a1de231fb4eb983f1e98c9c659e9e9e7aba52c234a5"},"schema_version":"1.0","source":{"id":"2210.13674","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.13674","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"arxiv_version","alias_value":"2210.13674v1","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.13674","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_12","alias_value":"4LCU37BTN4XS","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_16","alias_value":"4LCU37BTN4XSOVWP","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_8","alias_value":"4LCU37BT","created_at":"2026-07-05T06:20:20Z"}],"graph_snapshots":[{"event_id":"sha256:c6543cbd50ecbe567f792f5c7d4426f7c77e8c37b3df556a0b03ac45d638df34","target":"graph","created_at":"2026-07-05T06:20:20Z","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/2210.13674/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a physically motivated model for the manner in which a stellar magnetic field sculpts the inner edge of a protoplanetary disk, and examine the consequence for the migration and stopping of sub-Neptune and super-Earth planets. This model incorporates a transition zone exterior to the inner truncation of the disk, where the surface density profile is modified by the diffusion of the stellar magnetic field into the disk. This modification results in a migration trap at the outer edge of the transition zone. We performed simulations of single planet migration, considering a range of ste","authors_text":"Brad Hansen, Tze Yeung Mathew Yu, Yasuhiro Hasegawa","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-10-25T00:19:48Z","title":"Halting Migration in Magnetospherically Sculpted Protoplanetary Disks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.13674","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:be7e54545b8388bc0f05975c8409532f9312f40db7f92ad1b4f33f7a31002ba4","target":"record","created_at":"2026-07-05T06:20:20Z","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":"23891620d45a099fb2d7e0a961a5249f6cfa8bc4063e09520f359111fd910299","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2022-10-25T00:19:48Z","title_canon_sha256":"8c9836a63d2f7351326a4a1de231fb4eb983f1e98c9c659e9e9e7aba52c234a5"},"schema_version":"1.0","source":{"id":"2210.13674","kind":"arxiv","version":1}},"canonical_sha256":"e2c54dfc336f2f2756cf548d756166950d075f4a2003a06cb1d728001395b543","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2c54dfc336f2f2756cf548d756166950d075f4a2003a06cb1d728001395b543","first_computed_at":"2026-07-05T06:20:20.279072Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:20:20.279072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ppFssBok15YSA+LlfpcHlp35n0oiw4QMVYhWqqeaixLAynJ9Rz8ZVBUmMYAtdq/cil8fQ+XPwwGWqJ+6IBguCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:20:20.279563Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.13674","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be7e54545b8388bc0f05975c8409532f9312f40db7f92ad1b4f33f7a31002ba4","sha256:c6543cbd50ecbe567f792f5c7d4426f7c77e8c37b3df556a0b03ac45d638df34"],"state_sha256":"91b290fc9c02c559bd45696478018680a05e56dcd8a5906d5dbc54e6682abf89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yWLte6wy+0xcZFcnQW74GDJnTESWY0zJJXRympfctupTqWyXH2vTpXQNsG6vX4ERI/e7sWFe16o3nvxF70nYDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T14:40:01.375232Z","bundle_sha256":"68a6e05ec44df76e90de0632f37a135cb632c61c5939696ff1d3c9ab2725e6c0"}}