{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:67TICYIM4LZIKQ7AFL54NXAK7I","short_pith_number":"pith:67TICYIM","canonical_record":{"source":{"id":"2307.13433","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-07-25T11:54:49Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f3be7c22fdddf11cf3e52aaf4f6e754ff154c45b4c5a7303653d0ddc52d94b89","abstract_canon_sha256":"f12cd028e44b4e5ac0f60fcd9baa1e53aad5c662085a06105980c73b9f84616d"},"schema_version":"1.0"},"canonical_sha256":"f7e681610ce2f28543e02afbc6dc0afa30c44fb0f3554832ce8924907818f14d","source":{"kind":"arxiv","id":"2307.13433","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.13433","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"arxiv_version","alias_value":"2307.13433v1","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.13433","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"pith_short_12","alias_value":"67TICYIM4LZI","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"pith_short_16","alias_value":"67TICYIM4LZIKQ7A","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"pith_short_8","alias_value":"67TICYIM","created_at":"2026-07-05T06:34:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:67TICYIM4LZIKQ7AFL54NXAK7I","target":"record","payload":{"canonical_record":{"source":{"id":"2307.13433","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-07-25T11:54:49Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"f3be7c22fdddf11cf3e52aaf4f6e754ff154c45b4c5a7303653d0ddc52d94b89","abstract_canon_sha256":"f12cd028e44b4e5ac0f60fcd9baa1e53aad5c662085a06105980c73b9f84616d"},"schema_version":"1.0"},"canonical_sha256":"f7e681610ce2f28543e02afbc6dc0afa30c44fb0f3554832ce8924907818f14d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:34:14.244582Z","signature_b64":"TBkdIxEpaYjErEdtd+6OKWRlfR0jD6D16KXBBHTuNL8/u/EJ7+lj9Sv2MeibOtEsrlgmWcOeEp5fWvgSAfNnCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7e681610ce2f28543e02afbc6dc0afa30c44fb0f3554832ce8924907818f14d","last_reissued_at":"2026-07-05T06:34:14.244175Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:34:14.244175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.13433","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":"2026-07-05T06:34:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O9OHJlsR+H4AUwp/g7Uio+dUTp3cYka1/WzKnNGi15yBSYXQy6U4R3RdLbvopEW5lrwTOPXduZhtNDUzTTNpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:58:49.694866Z"},"content_sha256":"03d3338cae1dec99e428cab5e4967e703e239a58cf121506af0c1bd0f9610733","schema_version":"1.0","event_id":"sha256:03d3338cae1dec99e428cab5e4967e703e239a58cf121506af0c1bd0f9610733"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:67TICYIM4LZIKQ7AFL54NXAK7I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spirals and clumps in V960 Mon: signs of planet formation via gravitational instability around an FU Ori star?","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Garufi, A. Hales, \\'A. K\\'osp\\'al, A. Zurlo, D. Principe, J. Kastner, J. Miley, J. Williams, L. Cieza, M. C\\'arcamo, M. Takami, P. Weber, S. P\\'erez, Z. Zhu","submitted_at":"2023-07-25T11:54:49Z","abstract_excerpt":"The formation of giant planets has traditionally been divided into two pathways: core accretion and gravitational instability. However, in recent years, gravitational instability has become less favored, primarily due to the scarcity of observations of fragmented protoplanetary disks around young stars and low occurrence rate of massive planets on very wide orbits. In this study, we present a SPHERE/IRDIS polarized light observation of the young outbursting object V960 Mon. The image reveals a vast structure of intricately shaped scattered light with several spiral arms. This finding motivated"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.13433","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/2307.13433/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":"2026-07-05T06:34:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bAdA+iSRnFWUvIqZlpGoRqYPdSMI/20/7DjwN55FNvXLTyvlWn0NXgN4O+lrjyyDD09xz1EaSo2vQ8PrcVkoCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:58:49.695264Z"},"content_sha256":"6db4b181eb8f4fa623c8468b367f11e2e87c5441c67abce4b838cf73f23eddce","schema_version":"1.0","event_id":"sha256:6db4b181eb8f4fa623c8468b367f11e2e87c5441c67abce4b838cf73f23eddce"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/67TICYIM4LZIKQ7AFL54NXAK7I/bundle.json","state_url":"https://pith.science/pith/67TICYIM4LZIKQ7AFL54NXAK7I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/67TICYIM4LZIKQ7AFL54NXAK7I/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":"2026-08-21T10:58:49Z","links":{"resolver":"https://pith.science/pith/67TICYIM4LZIKQ7AFL54NXAK7I","bundle":"https://pith.science/pith/67TICYIM4LZIKQ7AFL54NXAK7I/bundle.json","state":"https://pith.science/pith/67TICYIM4LZIKQ7AFL54NXAK7I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/67TICYIM4LZIKQ7AFL54NXAK7I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:67TICYIM4LZIKQ7AFL54NXAK7I","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":"f12cd028e44b4e5ac0f60fcd9baa1e53aad5c662085a06105980c73b9f84616d","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-07-25T11:54:49Z","title_canon_sha256":"f3be7c22fdddf11cf3e52aaf4f6e754ff154c45b4c5a7303653d0ddc52d94b89"},"schema_version":"1.0","source":{"id":"2307.13433","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.13433","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"arxiv_version","alias_value":"2307.13433v1","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.13433","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"pith_short_12","alias_value":"67TICYIM4LZI","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"pith_short_16","alias_value":"67TICYIM4LZIKQ7A","created_at":"2026-07-05T06:34:14Z"},{"alias_kind":"pith_short_8","alias_value":"67TICYIM","created_at":"2026-07-05T06:34:14Z"}],"graph_snapshots":[{"event_id":"sha256:6db4b181eb8f4fa623c8468b367f11e2e87c5441c67abce4b838cf73f23eddce","target":"graph","created_at":"2026-07-05T06:34:14Z","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/2307.13433/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The formation of giant planets has traditionally been divided into two pathways: core accretion and gravitational instability. However, in recent years, gravitational instability has become less favored, primarily due to the scarcity of observations of fragmented protoplanetary disks around young stars and low occurrence rate of massive planets on very wide orbits. In this study, we present a SPHERE/IRDIS polarized light observation of the young outbursting object V960 Mon. The image reveals a vast structure of intricately shaped scattered light with several spiral arms. This finding motivated","authors_text":"A. Garufi, A. Hales, \\'A. K\\'osp\\'al, A. Zurlo, D. Principe, J. Kastner, J. Miley, J. Williams, L. Cieza, M. C\\'arcamo, M. Takami, P. Weber, S. P\\'erez, Z. Zhu","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-07-25T11:54:49Z","title":"Spirals and clumps in V960 Mon: signs of planet formation via gravitational instability around an FU Ori star?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.13433","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":"sha256:03d3338cae1dec99e428cab5e4967e703e239a58cf121506af0c1bd0f9610733","target":"record","created_at":"2026-07-05T06:34:14Z","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":"f12cd028e44b4e5ac0f60fcd9baa1e53aad5c662085a06105980c73b9f84616d","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-07-25T11:54:49Z","title_canon_sha256":"f3be7c22fdddf11cf3e52aaf4f6e754ff154c45b4c5a7303653d0ddc52d94b89"},"schema_version":"1.0","source":{"id":"2307.13433","kind":"arxiv","version":1}},"canonical_sha256":"f7e681610ce2f28543e02afbc6dc0afa30c44fb0f3554832ce8924907818f14d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7e681610ce2f28543e02afbc6dc0afa30c44fb0f3554832ce8924907818f14d","first_computed_at":"2026-07-05T06:34:14.244175Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:34:14.244175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TBkdIxEpaYjErEdtd+6OKWRlfR0jD6D16KXBBHTuNL8/u/EJ7+lj9Sv2MeibOtEsrlgmWcOeEp5fWvgSAfNnCw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:34:14.244582Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.13433","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03d3338cae1dec99e428cab5e4967e703e239a58cf121506af0c1bd0f9610733","sha256:6db4b181eb8f4fa623c8468b367f11e2e87c5441c67abce4b838cf73f23eddce"],"state_sha256":"bb8cc78d6e046f088a7650ffbc33db5f4bb01c54daee116e33daab6aeaece867"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O14opsND8Z1azYbQyB1ZohnRptzZJ8QesvVunRVCmuSiQdq8pYg8fSxyDw/ouUDURVI/tugbVBHLDmDS5e0mAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T10:58:49.699455Z","bundle_sha256":"2b8c87d1791ced2e95880efb4c08a7c1d3c083355892612517c23539e265977a"}}