{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:MKI3FHBM2OPSNWJOMIB5OQDZ2C","short_pith_number":"pith:MKI3FHBM","canonical_record":{"source":{"id":"2606.10816","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-09T12:59:04Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"e7768577c9a09f0cbc43395d6cf7a5ad7114b9765a34cbdd691edead8f5547c2","abstract_canon_sha256":"dbb14e6352600da8c136094e07e3c180aead9f88ecb3bddb97c67d0b500c13b5"},"schema_version":"1.0"},"canonical_sha256":"6291b29c2cd39f26d92e6203d74079d08008c32d37700b9a24cebc04b013a78c","source":{"kind":"arxiv","id":"2606.10816","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.10816","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"arxiv_version","alias_value":"2606.10816v1","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.10816","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"pith_short_12","alias_value":"MKI3FHBM2OPS","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"pith_short_16","alias_value":"MKI3FHBM2OPSNWJO","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"pith_short_8","alias_value":"MKI3FHBM","created_at":"2026-06-10T01:10:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:MKI3FHBM2OPSNWJOMIB5OQDZ2C","target":"record","payload":{"canonical_record":{"source":{"id":"2606.10816","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-09T12:59:04Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"e7768577c9a09f0cbc43395d6cf7a5ad7114b9765a34cbdd691edead8f5547c2","abstract_canon_sha256":"dbb14e6352600da8c136094e07e3c180aead9f88ecb3bddb97c67d0b500c13b5"},"schema_version":"1.0"},"canonical_sha256":"6291b29c2cd39f26d92e6203d74079d08008c32d37700b9a24cebc04b013a78c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-10T01:10:41.933783Z","signature_b64":"NzZRqptC5cEHvFtDCNrH5vIG8oxJ9txZo6JnGNJqRrIqcIeJ4rFSkt8hWxOaCzMeNZIgR5Xm8ccKQ4eH3Q2gDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6291b29c2cd39f26d92e6203d74079d08008c32d37700b9a24cebc04b013a78c","last_reissued_at":"2026-06-10T01:10:41.933002Z","signature_status":"signed_v1","first_computed_at":"2026-06-10T01:10:41.933002Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.10816","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":"2026-06-10T01:10:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gdFOismM5GUU6mhHJ23/Q+8rdF+sUdTJI5kdU2KcmGt8AdeWcUPov1Umj+h6cEae9agyQp42B5jFXLSgVdMVBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T05:11:35.246217Z"},"content_sha256":"eaae1446dfc152e226c44ba4b1c228b971dee1a7b2de9e1fb1c66d7d12163f0a","schema_version":"1.0","event_id":"sha256:eaae1446dfc152e226c44ba4b1c228b971dee1a7b2de9e1fb1c66d7d12163f0a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:MKI3FHBM2OPSNWJOMIB5OQDZ2C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of the young disk around WRAY 15-1880: does it contain a primitive planetary system?","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Elisabetta Rigliaco, Enrico Grippi, Gabriele Columba, Raffaele Gratton, Silvano Desidera","submitted_at":"2026-06-09T12:59:04Z","abstract_excerpt":"Observations of (giant) planets accreting material within their natal environment are crucial to constrain models for their formation. WRAY 15-1880 (aka RX J1842.9-3532) in the Corona Australis (CrA) complex has a prominent pre-transitional disk, and an age of ~2.8+-0.7 Myr, computed by comparison with isochrones using the accurate dynamical mass derived from disk kinematics. Hence, this star is in the late phases of disk evolution and might host accreting planets. We acquire new polarimetric imaging data with VLT-SPHERE and analyze archive observations taken with VLT-SPHERE, VLT-MUSE, and ALM"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.10816","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/2606.10816/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":"2026-06-10T01:10:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2ebWGLfNl7bzlj8Jaob79iL4Q12Svr6g/o0MewNiYTIRQPtuhJYQFk4k+9RCzbkkl8KeOygv1JwZQKBHxcvxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T05:11:35.246985Z"},"content_sha256":"32f18f4ea2d61b259fed43e4f103af6800ad325982742fc246a8e823706ff02f","schema_version":"1.0","event_id":"sha256:32f18f4ea2d61b259fed43e4f103af6800ad325982742fc246a8e823706ff02f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MKI3FHBM2OPSNWJOMIB5OQDZ2C/bundle.json","state_url":"https://pith.science/pith/MKI3FHBM2OPSNWJOMIB5OQDZ2C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MKI3FHBM2OPSNWJOMIB5OQDZ2C/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":"2026-06-11T05:11:35Z","links":{"resolver":"https://pith.science/pith/MKI3FHBM2OPSNWJOMIB5OQDZ2C","bundle":"https://pith.science/pith/MKI3FHBM2OPSNWJOMIB5OQDZ2C/bundle.json","state":"https://pith.science/pith/MKI3FHBM2OPSNWJOMIB5OQDZ2C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MKI3FHBM2OPSNWJOMIB5OQDZ2C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:MKI3FHBM2OPSNWJOMIB5OQDZ2C","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":"dbb14e6352600da8c136094e07e3c180aead9f88ecb3bddb97c67d0b500c13b5","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-09T12:59:04Z","title_canon_sha256":"e7768577c9a09f0cbc43395d6cf7a5ad7114b9765a34cbdd691edead8f5547c2"},"schema_version":"1.0","source":{"id":"2606.10816","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.10816","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"arxiv_version","alias_value":"2606.10816v1","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.10816","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"pith_short_12","alias_value":"MKI3FHBM2OPS","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"pith_short_16","alias_value":"MKI3FHBM2OPSNWJO","created_at":"2026-06-10T01:10:41Z"},{"alias_kind":"pith_short_8","alias_value":"MKI3FHBM","created_at":"2026-06-10T01:10:41Z"}],"graph_snapshots":[{"event_id":"sha256:32f18f4ea2d61b259fed43e4f103af6800ad325982742fc246a8e823706ff02f","target":"graph","created_at":"2026-06-10T01:10:41Z","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/2606.10816/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Observations of (giant) planets accreting material within their natal environment are crucial to constrain models for their formation. WRAY 15-1880 (aka RX J1842.9-3532) in the Corona Australis (CrA) complex has a prominent pre-transitional disk, and an age of ~2.8+-0.7 Myr, computed by comparison with isochrones using the accurate dynamical mass derived from disk kinematics. Hence, this star is in the late phases of disk evolution and might host accreting planets. We acquire new polarimetric imaging data with VLT-SPHERE and analyze archive observations taken with VLT-SPHERE, VLT-MUSE, and ALM","authors_text":"Elisabetta Rigliaco, Enrico Grippi, Gabriele Columba, Raffaele Gratton, Silvano Desidera","cross_cats":["astro-ph.EP"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-09T12:59:04Z","title":"Analysis of the young disk around WRAY 15-1880: does it contain a primitive planetary system?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.10816","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:eaae1446dfc152e226c44ba4b1c228b971dee1a7b2de9e1fb1c66d7d12163f0a","target":"record","created_at":"2026-06-10T01:10:41Z","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":"dbb14e6352600da8c136094e07e3c180aead9f88ecb3bddb97c67d0b500c13b5","cross_cats_sorted":["astro-ph.EP"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-09T12:59:04Z","title_canon_sha256":"e7768577c9a09f0cbc43395d6cf7a5ad7114b9765a34cbdd691edead8f5547c2"},"schema_version":"1.0","source":{"id":"2606.10816","kind":"arxiv","version":1}},"canonical_sha256":"6291b29c2cd39f26d92e6203d74079d08008c32d37700b9a24cebc04b013a78c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6291b29c2cd39f26d92e6203d74079d08008c32d37700b9a24cebc04b013a78c","first_computed_at":"2026-06-10T01:10:41.933002Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-10T01:10:41.933002Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NzZRqptC5cEHvFtDCNrH5vIG8oxJ9txZo6JnGNJqRrIqcIeJ4rFSkt8hWxOaCzMeNZIgR5Xm8ccKQ4eH3Q2gDQ==","signature_status":"signed_v1","signed_at":"2026-06-10T01:10:41.933783Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.10816","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eaae1446dfc152e226c44ba4b1c228b971dee1a7b2de9e1fb1c66d7d12163f0a","sha256:32f18f4ea2d61b259fed43e4f103af6800ad325982742fc246a8e823706ff02f"],"state_sha256":"d727cbd99b3f3d10986a8e147adf314903a5eedeca770ed62d9551142a146301"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vuAB34duK0p1nvjl3NVVl+atF9ptI/Zm+eiIVf2m9brw9wM59T+9MO58Ub8e4zP4CqEgAWHRybmTLs7cjbv1Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T05:11:35.250990Z","bundle_sha256":"ba075bd5975489fa067cc009ce3dc99282da78da24fc2e9047253d20b686a3b1"}}