{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:EWFNOZV422TFEVSVUJZKZVTE5D","short_pith_number":"pith:EWFNOZV4","canonical_record":{"source":{"id":"1502.00631","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-02T21:00:12Z","cross_cats_sorted":[],"title_canon_sha256":"08c14f450982292ef5fd4ebe209eb59e920f1c578a21d35f21fb3db4796b88af","abstract_canon_sha256":"ec383d8519fb2f410fc5930945771b7103b4ff2659096d0a20776c359fb488ab"},"schema_version":"1.0"},"canonical_sha256":"258ad766bcd6a6525655a272acd664e8e7d0c0a5fb62a56792e29a0b83faaa24","source":{"kind":"arxiv","id":"1502.00631","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.00631","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"arxiv_version","alias_value":"1502.00631v2","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.00631","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"pith_short_12","alias_value":"EWFNOZV422TF","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EWFNOZV422TFEVSV","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EWFNOZV4","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:EWFNOZV422TFEVSVUJZKZVTE5D","target":"record","payload":{"canonical_record":{"source":{"id":"1502.00631","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-02T21:00:12Z","cross_cats_sorted":[],"title_canon_sha256":"08c14f450982292ef5fd4ebe209eb59e920f1c578a21d35f21fb3db4796b88af","abstract_canon_sha256":"ec383d8519fb2f410fc5930945771b7103b4ff2659096d0a20776c359fb488ab"},"schema_version":"1.0"},"canonical_sha256":"258ad766bcd6a6525655a272acd664e8e7d0c0a5fb62a56792e29a0b83faaa24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:49.313223Z","signature_b64":"jOEac3ldET+cJfFwr+c7jkvx1+BDIsmw3ZVwlzQ3k7Q1eWTSU+PtM1khbEWuhTBXLyzOOWbI6Npnyz1t+5tCAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"258ad766bcd6a6525655a272acd664e8e7d0c0a5fb62a56792e29a0b83faaa24","last_reissued_at":"2026-05-18T01:09:49.312402Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:49.312402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.00631","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:09:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tt2/2PE5WRr63bU14NxLzqDf5w3bovBYlz14UxqWYc6zcHbYpUENT0RtIEdVUmNO69VPzag2QnszmbFfFfMSBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:49:33.411367Z"},"content_sha256":"58d9415ae9d52cd8e6c425e972362b8c74f61ce30b6440180ee9c3e4ea58b7ae","schema_version":"1.0","event_id":"sha256:58d9415ae9d52cd8e6c425e972362b8c74f61ce30b6440180ee9c3e4ea58b7ae"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:EWFNOZV422TFEVSVUJZKZVTE5D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Protoplanetary disk lifetimes vs stellar mass and possible implications for giant planet populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"\\'Alvaro Ribas, Bruno Mer\\'in, Herv\\'e Bouy","submitted_at":"2015-02-02T21:00:12Z","abstract_excerpt":"We study the dependence of protoplanetary disk evolution on stellar mass using a large sample of young stellar objects in nearby young star-forming regions. We update the protoplanetary disk fractions presented in our recent work (paper I of this series) derived for 22 nearby (< 500 pc) associations between 1 and 100 Myr. We use a subsample of 1 428 spectroscopically confirmed members to study the impact of stellar mass on protoplanetary disk evolution. We divide this sample into two stellar mass bins (2 M$_{\\odot}$ boundary) and two age bins (3 Myr boundary), and use infrared excesses over th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.00631","kind":"arxiv","version":2},"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":"2026-05-18T01:09:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HaudA6T5gPKcbJ+SHxYvT/QwqteHzIQ3v5WA3nVn5MnQx/n5V2tpFB292EsDVEGkqgCCQvtlvlhqFAEebt3WCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T14:49:33.411947Z"},"content_sha256":"b1e5bf70d9a6e678543e7e8dcf42d87a149cd2d0951b5d4e49581d8ebb76dbaa","schema_version":"1.0","event_id":"sha256:b1e5bf70d9a6e678543e7e8dcf42d87a149cd2d0951b5d4e49581d8ebb76dbaa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EWFNOZV422TFEVSVUJZKZVTE5D/bundle.json","state_url":"https://pith.science/pith/EWFNOZV422TFEVSVUJZKZVTE5D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EWFNOZV422TFEVSVUJZKZVTE5D/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":"2026-05-31T14:49:33Z","links":{"resolver":"https://pith.science/pith/EWFNOZV422TFEVSVUJZKZVTE5D","bundle":"https://pith.science/pith/EWFNOZV422TFEVSVUJZKZVTE5D/bundle.json","state":"https://pith.science/pith/EWFNOZV422TFEVSVUJZKZVTE5D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EWFNOZV422TFEVSVUJZKZVTE5D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EWFNOZV422TFEVSVUJZKZVTE5D","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":"ec383d8519fb2f410fc5930945771b7103b4ff2659096d0a20776c359fb488ab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-02T21:00:12Z","title_canon_sha256":"08c14f450982292ef5fd4ebe209eb59e920f1c578a21d35f21fb3db4796b88af"},"schema_version":"1.0","source":{"id":"1502.00631","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.00631","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"arxiv_version","alias_value":"1502.00631v2","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.00631","created_at":"2026-05-18T01:09:49Z"},{"alias_kind":"pith_short_12","alias_value":"EWFNOZV422TF","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EWFNOZV422TFEVSV","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EWFNOZV4","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:b1e5bf70d9a6e678543e7e8dcf42d87a149cd2d0951b5d4e49581d8ebb76dbaa","target":"graph","created_at":"2026-05-18T01:09:49Z","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":"We study the dependence of protoplanetary disk evolution on stellar mass using a large sample of young stellar objects in nearby young star-forming regions. We update the protoplanetary disk fractions presented in our recent work (paper I of this series) derived for 22 nearby (< 500 pc) associations between 1 and 100 Myr. We use a subsample of 1 428 spectroscopically confirmed members to study the impact of stellar mass on protoplanetary disk evolution. We divide this sample into two stellar mass bins (2 M$_{\\odot}$ boundary) and two age bins (3 Myr boundary), and use infrared excesses over th","authors_text":"\\'Alvaro Ribas, Bruno Mer\\'in, Herv\\'e Bouy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-02T21:00:12Z","title":"Protoplanetary disk lifetimes vs stellar mass and possible implications for giant planet populations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.00631","kind":"arxiv","version":2},"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":"sha256:58d9415ae9d52cd8e6c425e972362b8c74f61ce30b6440180ee9c3e4ea58b7ae","target":"record","created_at":"2026-05-18T01:09:49Z","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":"ec383d8519fb2f410fc5930945771b7103b4ff2659096d0a20776c359fb488ab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-02T21:00:12Z","title_canon_sha256":"08c14f450982292ef5fd4ebe209eb59e920f1c578a21d35f21fb3db4796b88af"},"schema_version":"1.0","source":{"id":"1502.00631","kind":"arxiv","version":2}},"canonical_sha256":"258ad766bcd6a6525655a272acd664e8e7d0c0a5fb62a56792e29a0b83faaa24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"258ad766bcd6a6525655a272acd664e8e7d0c0a5fb62a56792e29a0b83faaa24","first_computed_at":"2026-05-18T01:09:49.312402Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:49.312402Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jOEac3ldET+cJfFwr+c7jkvx1+BDIsmw3ZVwlzQ3k7Q1eWTSU+PtM1khbEWuhTBXLyzOOWbI6Npnyz1t+5tCAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:49.313223Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.00631","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58d9415ae9d52cd8e6c425e972362b8c74f61ce30b6440180ee9c3e4ea58b7ae","sha256:b1e5bf70d9a6e678543e7e8dcf42d87a149cd2d0951b5d4e49581d8ebb76dbaa"],"state_sha256":"e7ca4e7900147100195c47165ee31f74364ee353fd4c6155ae0ee84bb0d7c1f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6GwByxZadlagY2wMVwZfDyeLtLarFEgcSE2m8wFNL3f5tzWETVcpTCaZGWuexZ3stBfmpLYovz2d9XC2Y8DMCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T14:49:33.417784Z","bundle_sha256":"a71d72cee07dffdf8f8f4a6cbcd7096d2fdaf25146610e64094caafee162760d"}}