{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:IN4B6PN3HFUJBPHXQV5F5JVLMT","short_pith_number":"pith:IN4B6PN3","canonical_record":{"source":{"id":"1704.02301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-07T17:23:00Z","cross_cats_sorted":[],"title_canon_sha256":"dea293f41445f3bb4859e36c149d2049628a0551347914ef25feb48691de7fd4","abstract_canon_sha256":"bd07ec5a6ebce8f01842f736adb2fbdf5c4653959d11d0decb112c61d55c28dd"},"schema_version":"1.0"},"canonical_sha256":"43781f3dbb396890bcf7857a5ea6ab64cacd6c3940e263bdd34231345f6605c2","source":{"kind":"arxiv","id":"1704.02301","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.02301","created_at":"2026-05-18T00:40:06Z"},{"alias_kind":"arxiv_version","alias_value":"1704.02301v1","created_at":"2026-05-18T00:40:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.02301","created_at":"2026-05-18T00:40:06Z"},{"alias_kind":"pith_short_12","alias_value":"IN4B6PN3HFUJ","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IN4B6PN3HFUJBPHX","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IN4B6PN3","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:IN4B6PN3HFUJBPHXQV5F5JVLMT","target":"record","payload":{"canonical_record":{"source":{"id":"1704.02301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-07T17:23:00Z","cross_cats_sorted":[],"title_canon_sha256":"dea293f41445f3bb4859e36c149d2049628a0551347914ef25feb48691de7fd4","abstract_canon_sha256":"bd07ec5a6ebce8f01842f736adb2fbdf5c4653959d11d0decb112c61d55c28dd"},"schema_version":"1.0"},"canonical_sha256":"43781f3dbb396890bcf7857a5ea6ab64cacd6c3940e263bdd34231345f6605c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:06.372327Z","signature_b64":"iXMGdylDKmhX05kqY3rdOg6Od+2zjwxr0/336hHaRPh1hC8AiUF1rANQ4tclvg3gw1c7gjX/qxO0ES19quCHAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43781f3dbb396890bcf7857a5ea6ab64cacd6c3940e263bdd34231345f6605c2","last_reissued_at":"2026-05-18T00:40:06.371702Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:06.371702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.02301","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":"2026-05-18T00:40:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vPiXFn0zcTJ+tc7rZWDkmWUaSpgSusbnlRR/uORk6uNPeaeGAHAglewy37lvk71+qOnX4/5BxcKlUbk4ArLdDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:18:16.917556Z"},"content_sha256":"2738265bd9686af389ce228bf4a075c7b6c40ad609e205a39bc6b1bcc5a4e03a","schema_version":"1.0","event_id":"sha256:2738265bd9686af389ce228bf4a075c7b6c40ad609e205a39bc6b1bcc5a4e03a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:IN4B6PN3HFUJBPHXQV5F5JVLMT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near-Infrared Time-Series Photometry in the Field of Cygnus OB2 Association I - Rotational Scenario For Candidate Members","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"J. Bouvier, J. Roquette, L.P.R. Vaz, M. G. Guarcello, S.H.P. Alencar","submitted_at":"2017-04-07T17:23:00Z","abstract_excerpt":"In the last decades, the early pre main sequence stellar rotational evolution picture has been constrained by studies targeting different young regions at a variety of ages. Observational studies suggest a mass-rotation dependence, and for some mass ranges a connection between rotation and the presence of a circumstellar disk. Not still fully explored, though, is the role of environmental conditions on the rotational regulation.\n  We investigate the rotational properties of candidate members of the young massive association Cygnus OB2. The Stetson variability index, Lomb-Scargle periodogram, S"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.02301","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":"2026-05-18T00:40:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mkkryYYUtZe/Msy3pPCGe3mu5oqe21hWyMpSnYnFAClKTt9K/jePGPgx0NALz5YGm6o3dc6ULIhCxlGY6wZBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:18:16.918195Z"},"content_sha256":"fe104808d6f352fc017ac74e47d158b526c240cea27369e54d5837b4bcf3d9ed","schema_version":"1.0","event_id":"sha256:fe104808d6f352fc017ac74e47d158b526c240cea27369e54d5837b4bcf3d9ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IN4B6PN3HFUJBPHXQV5F5JVLMT/bundle.json","state_url":"https://pith.science/pith/IN4B6PN3HFUJBPHXQV5F5JVLMT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IN4B6PN3HFUJBPHXQV5F5JVLMT/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":"2026-05-27T20:18:16Z","links":{"resolver":"https://pith.science/pith/IN4B6PN3HFUJBPHXQV5F5JVLMT","bundle":"https://pith.science/pith/IN4B6PN3HFUJBPHXQV5F5JVLMT/bundle.json","state":"https://pith.science/pith/IN4B6PN3HFUJBPHXQV5F5JVLMT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IN4B6PN3HFUJBPHXQV5F5JVLMT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IN4B6PN3HFUJBPHXQV5F5JVLMT","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":"bd07ec5a6ebce8f01842f736adb2fbdf5c4653959d11d0decb112c61d55c28dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-07T17:23:00Z","title_canon_sha256":"dea293f41445f3bb4859e36c149d2049628a0551347914ef25feb48691de7fd4"},"schema_version":"1.0","source":{"id":"1704.02301","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.02301","created_at":"2026-05-18T00:40:06Z"},{"alias_kind":"arxiv_version","alias_value":"1704.02301v1","created_at":"2026-05-18T00:40:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.02301","created_at":"2026-05-18T00:40:06Z"},{"alias_kind":"pith_short_12","alias_value":"IN4B6PN3HFUJ","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IN4B6PN3HFUJBPHX","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IN4B6PN3","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:fe104808d6f352fc017ac74e47d158b526c240cea27369e54d5837b4bcf3d9ed","target":"graph","created_at":"2026-05-18T00:40:06Z","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":"In the last decades, the early pre main sequence stellar rotational evolution picture has been constrained by studies targeting different young regions at a variety of ages. Observational studies suggest a mass-rotation dependence, and for some mass ranges a connection between rotation and the presence of a circumstellar disk. Not still fully explored, though, is the role of environmental conditions on the rotational regulation.\n  We investigate the rotational properties of candidate members of the young massive association Cygnus OB2. The Stetson variability index, Lomb-Scargle periodogram, S","authors_text":"J. Bouvier, J. Roquette, L.P.R. Vaz, M. G. Guarcello, S.H.P. Alencar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-07T17:23:00Z","title":"Near-Infrared Time-Series Photometry in the Field of Cygnus OB2 Association I - Rotational Scenario For Candidate Members"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.02301","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":"sha256:2738265bd9686af389ce228bf4a075c7b6c40ad609e205a39bc6b1bcc5a4e03a","target":"record","created_at":"2026-05-18T00:40:06Z","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":"bd07ec5a6ebce8f01842f736adb2fbdf5c4653959d11d0decb112c61d55c28dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-04-07T17:23:00Z","title_canon_sha256":"dea293f41445f3bb4859e36c149d2049628a0551347914ef25feb48691de7fd4"},"schema_version":"1.0","source":{"id":"1704.02301","kind":"arxiv","version":1}},"canonical_sha256":"43781f3dbb396890bcf7857a5ea6ab64cacd6c3940e263bdd34231345f6605c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43781f3dbb396890bcf7857a5ea6ab64cacd6c3940e263bdd34231345f6605c2","first_computed_at":"2026-05-18T00:40:06.371702Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:06.371702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iXMGdylDKmhX05kqY3rdOg6Od+2zjwxr0/336hHaRPh1hC8AiUF1rANQ4tclvg3gw1c7gjX/qxO0ES19quCHAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:06.372327Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.02301","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2738265bd9686af389ce228bf4a075c7b6c40ad609e205a39bc6b1bcc5a4e03a","sha256:fe104808d6f352fc017ac74e47d158b526c240cea27369e54d5837b4bcf3d9ed"],"state_sha256":"0f9a247a0d9a73c402dd706a051d4eb3f83e2db953336aea25e4a16378694d5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pr/pCyJOn/VmTGqnTGAHVJUhTaiqTEAwqzKle6j9dujiQXJ7PQpjNpOgkzvjv7Ke/9/jzCpEfTnXaO9ILWjrCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:18:16.921414Z","bundle_sha256":"e8ed04e49d2c61f846d90a74ba96533001665825e346e4d8a16597d01bf819b0"}}