{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:J7DDF3Z3YLBUITPNQ5FBNKHWES","short_pith_number":"pith:J7DDF3Z3","canonical_record":{"source":{"id":"1102.3333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-16T13:18:05Z","cross_cats_sorted":[],"title_canon_sha256":"ff5156ffb09d9d952efa055f5a20493bef9691aff8580bd853375268df368ddb","abstract_canon_sha256":"93fb343d9b9eb1dbfb6a2aaefb69c09e5f0edb748d9f1ae4168cf5e4765941be"},"schema_version":"1.0"},"canonical_sha256":"4fc632ef3bc2c3444ded874a16a8f624931ec2134dc4e5337d62c52a05c8e2b4","source":{"kind":"arxiv","id":"1102.3333","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.3333","created_at":"2026-05-18T02:03:10Z"},{"alias_kind":"arxiv_version","alias_value":"1102.3333v1","created_at":"2026-05-18T02:03:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.3333","created_at":"2026-05-18T02:03:10Z"},{"alias_kind":"pith_short_12","alias_value":"J7DDF3Z3YLBU","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"J7DDF3Z3YLBUITPN","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"J7DDF3Z3","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:J7DDF3Z3YLBUITPNQ5FBNKHWES","target":"record","payload":{"canonical_record":{"source":{"id":"1102.3333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-16T13:18:05Z","cross_cats_sorted":[],"title_canon_sha256":"ff5156ffb09d9d952efa055f5a20493bef9691aff8580bd853375268df368ddb","abstract_canon_sha256":"93fb343d9b9eb1dbfb6a2aaefb69c09e5f0edb748d9f1ae4168cf5e4765941be"},"schema_version":"1.0"},"canonical_sha256":"4fc632ef3bc2c3444ded874a16a8f624931ec2134dc4e5337d62c52a05c8e2b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:10.448153Z","signature_b64":"rZ3JVuYcGfjyMZEMRqUvOB3AJEbGGkXYs/Js0P9syQc9c0fDydvfQcT/cNQ+XTox7VjTU/lTQ1+0dibOijJNCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4fc632ef3bc2c3444ded874a16a8f624931ec2134dc4e5337d62c52a05c8e2b4","last_reissued_at":"2026-05-18T02:03:10.447563Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:10.447563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.3333","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":"2026-05-18T02:03:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P3Co5nKa51r4l6xZbkPufow0Rp6wgxA/cwxAnocDdXsPDM6bhsn1J1oHjfttLAVQbbUqb8MExapBQyo9bwn/Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:08:12.113858Z"},"content_sha256":"574f05780eab510ad53d94601b1d417dcd794af5cd77e7213a7ae0ebf240247f","schema_version":"1.0","event_id":"sha256:574f05780eab510ad53d94601b1d417dcd794af5cd77e7213a7ae0ebf240247f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:J7DDF3Z3YLBUITPNQ5FBNKHWES","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The debris disk host star HD 61005: a member of the Argus Association?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.C. Lanzafame, E. Brugaletta, E. Covino, J. Carson, J.M. Alcala', R. Launhardt, S. Desidera, S. Messina, V. D'Orazi","submitted_at":"2011-02-16T13:18:05Z","abstract_excerpt":"HD 61005 is a nearby young solar type star that shows a large infrared excess due to a debris disk. The disk has been recently imaged from ground and space, with indications of several components. Some characteristics of the disk suggest the presence of planetary companions around the star, that remain undetected in deep adaptive optics imaging. For a better understanding of the system we aim to refine the determination of the stellar parameters, with emphasis on the stellar age and system orientation. We used ASAS and Hipparcos photometry and FEROS spectra to determine the rotation period, ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.3333","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":"2026-05-18T02:03:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wIkUZswYs+9f4dlKKnilh4dMk8hvn5clzEfP+DVQdeS8s+HZiXSMuS9W0m0tzYHsfA8QTKkISDYSA9VlghtxAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:08:12.114550Z"},"content_sha256":"b5b8719497a58e628ad974a8580ea4e4839b4635933343ce6640ddf6b31ad589","schema_version":"1.0","event_id":"sha256:b5b8719497a58e628ad974a8580ea4e4839b4635933343ce6640ddf6b31ad589"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J7DDF3Z3YLBUITPNQ5FBNKHWES/bundle.json","state_url":"https://pith.science/pith/J7DDF3Z3YLBUITPNQ5FBNKHWES/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J7DDF3Z3YLBUITPNQ5FBNKHWES/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":"2026-05-25T15:08:12Z","links":{"resolver":"https://pith.science/pith/J7DDF3Z3YLBUITPNQ5FBNKHWES","bundle":"https://pith.science/pith/J7DDF3Z3YLBUITPNQ5FBNKHWES/bundle.json","state":"https://pith.science/pith/J7DDF3Z3YLBUITPNQ5FBNKHWES/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J7DDF3Z3YLBUITPNQ5FBNKHWES/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:J7DDF3Z3YLBUITPNQ5FBNKHWES","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":"93fb343d9b9eb1dbfb6a2aaefb69c09e5f0edb748d9f1ae4168cf5e4765941be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-16T13:18:05Z","title_canon_sha256":"ff5156ffb09d9d952efa055f5a20493bef9691aff8580bd853375268df368ddb"},"schema_version":"1.0","source":{"id":"1102.3333","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.3333","created_at":"2026-05-18T02:03:10Z"},{"alias_kind":"arxiv_version","alias_value":"1102.3333v1","created_at":"2026-05-18T02:03:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.3333","created_at":"2026-05-18T02:03:10Z"},{"alias_kind":"pith_short_12","alias_value":"J7DDF3Z3YLBU","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"J7DDF3Z3YLBUITPN","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"J7DDF3Z3","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:b5b8719497a58e628ad974a8580ea4e4839b4635933343ce6640ddf6b31ad589","target":"graph","created_at":"2026-05-18T02:03:10Z","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":"HD 61005 is a nearby young solar type star that shows a large infrared excess due to a debris disk. The disk has been recently imaged from ground and space, with indications of several components. Some characteristics of the disk suggest the presence of planetary companions around the star, that remain undetected in deep adaptive optics imaging. For a better understanding of the system we aim to refine the determination of the stellar parameters, with emphasis on the stellar age and system orientation. We used ASAS and Hipparcos photometry and FEROS spectra to determine the rotation period, ra","authors_text":"A.C. Lanzafame, E. Brugaletta, E. Covino, J. Carson, J.M. Alcala', R. Launhardt, S. Desidera, S. Messina, V. D'Orazi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-16T13:18:05Z","title":"The debris disk host star HD 61005: a member of the Argus Association?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.3333","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":"sha256:574f05780eab510ad53d94601b1d417dcd794af5cd77e7213a7ae0ebf240247f","target":"record","created_at":"2026-05-18T02:03:10Z","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":"93fb343d9b9eb1dbfb6a2aaefb69c09e5f0edb748d9f1ae4168cf5e4765941be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-16T13:18:05Z","title_canon_sha256":"ff5156ffb09d9d952efa055f5a20493bef9691aff8580bd853375268df368ddb"},"schema_version":"1.0","source":{"id":"1102.3333","kind":"arxiv","version":1}},"canonical_sha256":"4fc632ef3bc2c3444ded874a16a8f624931ec2134dc4e5337d62c52a05c8e2b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4fc632ef3bc2c3444ded874a16a8f624931ec2134dc4e5337d62c52a05c8e2b4","first_computed_at":"2026-05-18T02:03:10.447563Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:10.447563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rZ3JVuYcGfjyMZEMRqUvOB3AJEbGGkXYs/Js0P9syQc9c0fDydvfQcT/cNQ+XTox7VjTU/lTQ1+0dibOijJNCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:10.448153Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.3333","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:574f05780eab510ad53d94601b1d417dcd794af5cd77e7213a7ae0ebf240247f","sha256:b5b8719497a58e628ad974a8580ea4e4839b4635933343ce6640ddf6b31ad589"],"state_sha256":"e631a8edf27083ddf2656719fd850fcca66c9d9b2f049670b96454e7d3db2a6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7VfCdbjc7ZlV9aOEO6xxP+pRaJ77Od35Qe+wH5/dX6xmEc3lUunxFe6EDXF1Y2rD4RA0KYV2ZmISRh9IoiV6CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:08:12.118690Z","bundle_sha256":"1275fcddb0297e993f44ae2f9a20fd4f3164f416dd2b30c64ac6297480498beb"}}