{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MXREYNYTWD2QTQXNKE3PVQQDNL","short_pith_number":"pith:MXREYNYT","canonical_record":{"source":{"id":"1506.02383","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-06-08T07:44:03Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"739c50ba87ea378ea6f7770ea77804833d0413785032112fffe2e26ad73ee1be","abstract_canon_sha256":"6204272bcc23c1ab5d487c6a6912f6bf93a0b420f8c931b46e8a5f2f6639085a"},"schema_version":"1.0"},"canonical_sha256":"65e24c3713b0f509c2ed5136fac2036af353dce63ed92f373c0ffb094f22ddce","source":{"kind":"arxiv","id":"1506.02383","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.02383","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"arxiv_version","alias_value":"1506.02383v1","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02383","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"pith_short_12","alias_value":"MXREYNYTWD2Q","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MXREYNYTWD2QTQXN","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MXREYNYT","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MXREYNYTWD2QTQXNKE3PVQQDNL","target":"record","payload":{"canonical_record":{"source":{"id":"1506.02383","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-06-08T07:44:03Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"739c50ba87ea378ea6f7770ea77804833d0413785032112fffe2e26ad73ee1be","abstract_canon_sha256":"6204272bcc23c1ab5d487c6a6912f6bf93a0b420f8c931b46e8a5f2f6639085a"},"schema_version":"1.0"},"canonical_sha256":"65e24c3713b0f509c2ed5136fac2036af353dce63ed92f373c0ffb094f22ddce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:29.878744Z","signature_b64":"ezroqwLXf8F7QSGg9M3pKBjZ0fsQlju015Imi57zEsJ41X4JMgA5A3JUhB+1R5zAvrrYcZ8hu7KnqOcVGjOGBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65e24c3713b0f509c2ed5136fac2036af353dce63ed92f373c0ffb094f22ddce","last_reissued_at":"2026-05-18T01:35:29.878240Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:29.878240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.02383","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":"2026-05-18T01:35:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"73Lud7BGM1CVJ88Wa6rRlHlVTHzGUe+B3ji7An+bSF5yxqmEAOI725gGvNZom3HToq5AaQEubyQ+SPVRwJQWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:58:38.039971Z"},"content_sha256":"2a64d62b6d3a74716e3c3d71cfc99a5fdc4d5e90605ef3c24e3d672409cd9542","schema_version":"1.0","event_id":"sha256:2a64d62b6d3a74716e3c3d71cfc99a5fdc4d5e90605ef3c24e3d672409cd9542"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MXREYNYTWD2QTQXNKE3PVQQDNL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sequential planet formation in the HD 100546 protoplanetary disk?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"C. Walsh, P. Pinilla, T. Birnstiel","submitted_at":"2015-06-08T07:44:03Z","abstract_excerpt":"Context. The disk around the Herbig Ae star, HD 100546, shows structures that suggest the presence of two companions in the disk at $\\sim10$ and $\\sim70$ AU. The outer companion seems to be in the act of formation.\n  Aims. Our aims are to provide constraints on the age of the planets in HD 100546 and to explore the potential evidence for sequential planet formation in transition disks such as HD 100546.\n  Methods. We compare the recent resolved continuum observations of the disk around HD 100546 with the results of dust evolution simulations using an analytical prescription for the shapes of g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02383","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":""},"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":"2026-05-18T01:35:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gKs1qZmBj8KV7In+68kWyJmSCzwiNpMXiNHGJPkZnkxz9JyM6Cnlq1fj1gVNSsLINxIIYxBbT/ggN2h48xmDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:58:38.040333Z"},"content_sha256":"00536a816e31e764e77bf9a07daa7f75ec12be5b24d20e546b968ac0e061a4d8","schema_version":"1.0","event_id":"sha256:00536a816e31e764e77bf9a07daa7f75ec12be5b24d20e546b968ac0e061a4d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MXREYNYTWD2QTQXNKE3PVQQDNL/bundle.json","state_url":"https://pith.science/pith/MXREYNYTWD2QTQXNKE3PVQQDNL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MXREYNYTWD2QTQXNKE3PVQQDNL/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":"2026-06-04T19:58:38Z","links":{"resolver":"https://pith.science/pith/MXREYNYTWD2QTQXNKE3PVQQDNL","bundle":"https://pith.science/pith/MXREYNYTWD2QTQXNKE3PVQQDNL/bundle.json","state":"https://pith.science/pith/MXREYNYTWD2QTQXNKE3PVQQDNL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MXREYNYTWD2QTQXNKE3PVQQDNL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MXREYNYTWD2QTQXNKE3PVQQDNL","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":"6204272bcc23c1ab5d487c6a6912f6bf93a0b420f8c931b46e8a5f2f6639085a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-06-08T07:44:03Z","title_canon_sha256":"739c50ba87ea378ea6f7770ea77804833d0413785032112fffe2e26ad73ee1be"},"schema_version":"1.0","source":{"id":"1506.02383","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.02383","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"arxiv_version","alias_value":"1506.02383v1","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02383","created_at":"2026-05-18T01:35:29Z"},{"alias_kind":"pith_short_12","alias_value":"MXREYNYTWD2Q","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MXREYNYTWD2QTQXN","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MXREYNYT","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:00536a816e31e764e77bf9a07daa7f75ec12be5b24d20e546b968ac0e061a4d8","target":"graph","created_at":"2026-05-18T01:35:29Z","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"},"paper":{"abstract_excerpt":"Context. The disk around the Herbig Ae star, HD 100546, shows structures that suggest the presence of two companions in the disk at $\\sim10$ and $\\sim70$ AU. The outer companion seems to be in the act of formation.\n  Aims. Our aims are to provide constraints on the age of the planets in HD 100546 and to explore the potential evidence for sequential planet formation in transition disks such as HD 100546.\n  Methods. We compare the recent resolved continuum observations of the disk around HD 100546 with the results of dust evolution simulations using an analytical prescription for the shapes of g","authors_text":"C. Walsh, P. Pinilla, T. Birnstiel","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-06-08T07:44:03Z","title":"Sequential planet formation in the HD 100546 protoplanetary disk?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02383","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":"sha256:2a64d62b6d3a74716e3c3d71cfc99a5fdc4d5e90605ef3c24e3d672409cd9542","target":"record","created_at":"2026-05-18T01:35:29Z","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":"6204272bcc23c1ab5d487c6a6912f6bf93a0b420f8c931b46e8a5f2f6639085a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-06-08T07:44:03Z","title_canon_sha256":"739c50ba87ea378ea6f7770ea77804833d0413785032112fffe2e26ad73ee1be"},"schema_version":"1.0","source":{"id":"1506.02383","kind":"arxiv","version":1}},"canonical_sha256":"65e24c3713b0f509c2ed5136fac2036af353dce63ed92f373c0ffb094f22ddce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65e24c3713b0f509c2ed5136fac2036af353dce63ed92f373c0ffb094f22ddce","first_computed_at":"2026-05-18T01:35:29.878240Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:29.878240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ezroqwLXf8F7QSGg9M3pKBjZ0fsQlju015Imi57zEsJ41X4JMgA5A3JUhB+1R5zAvrrYcZ8hu7KnqOcVGjOGBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:29.878744Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.02383","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a64d62b6d3a74716e3c3d71cfc99a5fdc4d5e90605ef3c24e3d672409cd9542","sha256:00536a816e31e764e77bf9a07daa7f75ec12be5b24d20e546b968ac0e061a4d8"],"state_sha256":"e82ba543f6d34e38be97225c56296e369ef0fe90acd90b49d3e48eb401cde307"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DW4CcK19v5s5BX2LOlY3jvML5kMqkHsm/bfIqissBMIxMmJUbx63FOtJrot0iZU/C02vMkwb2FTphPb/C8DSBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T19:58:38.042290Z","bundle_sha256":"34718c641e1e46c5a582eb152a73d951aa8c56433d20a668be9c25e14cbeffdb"}}