{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DJNR3VWI7OGCNQT33UPR7SQKTX","short_pith_number":"pith:DJNR3VWI","canonical_record":{"source":{"id":"1803.04467","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-03-12T19:06:31Z","cross_cats_sorted":[],"title_canon_sha256":"85c84cf51971194881c5d4679e5cb677f1c9e5112ab67e85ae9c65446a1c9464","abstract_canon_sha256":"a6a955b702d8b6fd0c273d0a3855c9929e068b59f65d36611e7cacc1971ec369"},"schema_version":"1.0"},"canonical_sha256":"1a5b1dd6c8fb8c26c27bdd1f1fca0a9dd68619ee6fd1088296e32322f1308257","source":{"kind":"arxiv","id":"1803.04467","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04467","created_at":"2026-05-18T00:21:05Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04467v1","created_at":"2026-05-18T00:21:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04467","created_at":"2026-05-18T00:21:05Z"},{"alias_kind":"pith_short_12","alias_value":"DJNR3VWI7OGC","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DJNR3VWI7OGCNQT3","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DJNR3VWI","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DJNR3VWI7OGCNQT33UPR7SQKTX","target":"record","payload":{"canonical_record":{"source":{"id":"1803.04467","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-03-12T19:06:31Z","cross_cats_sorted":[],"title_canon_sha256":"85c84cf51971194881c5d4679e5cb677f1c9e5112ab67e85ae9c65446a1c9464","abstract_canon_sha256":"a6a955b702d8b6fd0c273d0a3855c9929e068b59f65d36611e7cacc1971ec369"},"schema_version":"1.0"},"canonical_sha256":"1a5b1dd6c8fb8c26c27bdd1f1fca0a9dd68619ee6fd1088296e32322f1308257","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:05.583187Z","signature_b64":"ZbEfmJ+vJmTVGmEg6gSmrn8xbXpcVnCvSgyDr/X/GhpOQPdmBgApmBx7EKg8dc5D3eX1mfwuNyXeRE/z/7pKAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a5b1dd6c8fb8c26c27bdd1f1fca0a9dd68619ee6fd1088296e32322f1308257","last_reissued_at":"2026-05-18T00:21:05.582585Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:05.582585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.04467","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":"2026-05-18T00:21:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"guMRoLRoaDynDtF6oLULqdJIlzzFWI9Wvgk0poEdy1p7s/pyBXMN/QFUmDtSQC3R1Iln6gzBqvHQx4bZNsyxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:12:07.806431Z"},"content_sha256":"24a6d826bef4d66a22067bc623988108fe0facb2b895da6db61cc3438a03347a","schema_version":"1.0","event_id":"sha256:24a6d826bef4d66a22067bc623988108fe0facb2b895da6db61cc3438a03347a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DJNR3VWI7OGCNQT33UPR7SQKTX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Witnessing Planetary Systems in the Making with the Next Generation Very Large Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Andrea Isella, Andrew N. Youdin, Anne Dutrey, Barbara Ercolano, David Wilner, Gennaro D'Angelo, Hui Li, Jeffrey N. Cuzzi, Karin Oberg, Laura Perez, Luca Ricci, Mario Flock, Neal Turner, Nienke van der Marel, Paul R. Estrada, Ruobing Dong, Satoshi Okuzumi, Sean M. Andrews, Shang-Fei Liu, Tilman Birnstiel, Wladimir Lyra, Zhaohuan Zhu","submitted_at":"2018-03-12T19:06:31Z","abstract_excerpt":"The discovery of thousands of exoplanets over the last couple of decades has shown that the birth of planets is a very efficient process in nature. Theories invoke a multitude of mechanisms to describe the assembly of planets in the disks around pre-main-sequence stars, but observational constraints have been sparse on account of insufficient sensitivity and resolution. Understanding how planets form and interact with their parental disk is crucial also to illuminate the main characteristics of a large portion of the full population of planets that is inaccessible to current and near-future ob"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04467","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":"2026-05-18T00:21:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9ruLBx9Z7yUB9BYB9zDdIoXHnkHN1P2EzXxwTlY0L5sTfGj/x+5NZ3/bAtfLxqRcLRMd48fQK0extMgsAgYUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T07:12:07.807159Z"},"content_sha256":"58b1bedbd64f6fa9cd1605357de869ffbdc28829c6c5cc128c4575f80d936165","schema_version":"1.0","event_id":"sha256:58b1bedbd64f6fa9cd1605357de869ffbdc28829c6c5cc128c4575f80d936165"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DJNR3VWI7OGCNQT33UPR7SQKTX/bundle.json","state_url":"https://pith.science/pith/DJNR3VWI7OGCNQT33UPR7SQKTX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DJNR3VWI7OGCNQT33UPR7SQKTX/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":"2026-06-04T07:12:07Z","links":{"resolver":"https://pith.science/pith/DJNR3VWI7OGCNQT33UPR7SQKTX","bundle":"https://pith.science/pith/DJNR3VWI7OGCNQT33UPR7SQKTX/bundle.json","state":"https://pith.science/pith/DJNR3VWI7OGCNQT33UPR7SQKTX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DJNR3VWI7OGCNQT33UPR7SQKTX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DJNR3VWI7OGCNQT33UPR7SQKTX","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":"a6a955b702d8b6fd0c273d0a3855c9929e068b59f65d36611e7cacc1971ec369","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-03-12T19:06:31Z","title_canon_sha256":"85c84cf51971194881c5d4679e5cb677f1c9e5112ab67e85ae9c65446a1c9464"},"schema_version":"1.0","source":{"id":"1803.04467","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04467","created_at":"2026-05-18T00:21:05Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04467v1","created_at":"2026-05-18T00:21:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04467","created_at":"2026-05-18T00:21:05Z"},{"alias_kind":"pith_short_12","alias_value":"DJNR3VWI7OGC","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DJNR3VWI7OGCNQT3","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DJNR3VWI","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:58b1bedbd64f6fa9cd1605357de869ffbdc28829c6c5cc128c4575f80d936165","target":"graph","created_at":"2026-05-18T00:21:05Z","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":"The discovery of thousands of exoplanets over the last couple of decades has shown that the birth of planets is a very efficient process in nature. Theories invoke a multitude of mechanisms to describe the assembly of planets in the disks around pre-main-sequence stars, but observational constraints have been sparse on account of insufficient sensitivity and resolution. Understanding how planets form and interact with their parental disk is crucial also to illuminate the main characteristics of a large portion of the full population of planets that is inaccessible to current and near-future ob","authors_text":"Andrea Isella, Andrew N. Youdin, Anne Dutrey, Barbara Ercolano, David Wilner, Gennaro D'Angelo, Hui Li, Jeffrey N. Cuzzi, Karin Oberg, Laura Perez, Luca Ricci, Mario Flock, Neal Turner, Nienke van der Marel, Paul R. Estrada, Ruobing Dong, Satoshi Okuzumi, Sean M. Andrews, Shang-Fei Liu, Tilman Birnstiel, Wladimir Lyra, Zhaohuan Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-03-12T19:06:31Z","title":"Witnessing Planetary Systems in the Making with the Next Generation Very Large Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04467","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":"sha256:24a6d826bef4d66a22067bc623988108fe0facb2b895da6db61cc3438a03347a","target":"record","created_at":"2026-05-18T00:21:05Z","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":"a6a955b702d8b6fd0c273d0a3855c9929e068b59f65d36611e7cacc1971ec369","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-03-12T19:06:31Z","title_canon_sha256":"85c84cf51971194881c5d4679e5cb677f1c9e5112ab67e85ae9c65446a1c9464"},"schema_version":"1.0","source":{"id":"1803.04467","kind":"arxiv","version":1}},"canonical_sha256":"1a5b1dd6c8fb8c26c27bdd1f1fca0a9dd68619ee6fd1088296e32322f1308257","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a5b1dd6c8fb8c26c27bdd1f1fca0a9dd68619ee6fd1088296e32322f1308257","first_computed_at":"2026-05-18T00:21:05.582585Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:21:05.582585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZbEfmJ+vJmTVGmEg6gSmrn8xbXpcVnCvSgyDr/X/GhpOQPdmBgApmBx7EKg8dc5D3eX1mfwuNyXeRE/z/7pKAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:21:05.583187Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.04467","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24a6d826bef4d66a22067bc623988108fe0facb2b895da6db61cc3438a03347a","sha256:58b1bedbd64f6fa9cd1605357de869ffbdc28829c6c5cc128c4575f80d936165"],"state_sha256":"14c43829966ad3d02917fa85109c1f47078808d3a7b97c5abc35f78e4ad1acce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H2JKHN6QaJE5TM2Ov2gEJ0DT6A6snj1p7STI2J2UyYfaUU7WIlEjRdFyZf4U+q1vprvFLrgjN/BDseU4O6DaDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T07:12:07.811200Z","bundle_sha256":"6f87b302c8af6cbd5a6a7989fed2e985a72f1cabb8d4393c74813687d6f453e9"}}