{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:HCG4OIPNSDRTNPPMYMEUAFUNOF","short_pith_number":"pith:HCG4OIPN","canonical_record":{"source":{"id":"1602.07341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-23T22:20:53Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1cf56a62167182c8327de92d1f8bbf6a2ee4ce51b10f9a6bf7bb239e86d101a8","abstract_canon_sha256":"2aa6e9ba2e20b6bbd68a1938e63d5c8b322f03fb8143d68ac33dd815e2dd8945"},"schema_version":"1.0"},"canonical_sha256":"388dc721ed90e336bdecc30940168d714637691952668699729823f062b79e7c","source":{"kind":"arxiv","id":"1602.07341","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.07341","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"arxiv_version","alias_value":"1602.07341v1","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.07341","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"pith_short_12","alias_value":"HCG4OIPNSDRT","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HCG4OIPNSDRTNPPM","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HCG4OIPN","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:HCG4OIPNSDRTNPPMYMEUAFUNOF","target":"record","payload":{"canonical_record":{"source":{"id":"1602.07341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-23T22:20:53Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1cf56a62167182c8327de92d1f8bbf6a2ee4ce51b10f9a6bf7bb239e86d101a8","abstract_canon_sha256":"2aa6e9ba2e20b6bbd68a1938e63d5c8b322f03fb8143d68ac33dd815e2dd8945"},"schema_version":"1.0"},"canonical_sha256":"388dc721ed90e336bdecc30940168d714637691952668699729823f062b79e7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:00.957328Z","signature_b64":"t9k7w8Hbed5/naQlrMaPWpetfhVc8kh3SQlV3gsKfRvewEYYWgihOJUy2wxujuDSE+SHS3MAp2GpQ8F7lQhHAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"388dc721ed90e336bdecc30940168d714637691952668699729823f062b79e7c","last_reissued_at":"2026-05-18T01:19:00.956764Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:00.956764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.07341","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":"2026-05-18T01:19:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sKpSbxSwWZaBs6w9+ErMS5tDvaIqooieD1Ec8VfOgcjZbZKZD/l+/m9Mh0dNS2Cy2FG5e+AxDMxcdGDT0GbMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:17:38.762217Z"},"content_sha256":"e0e646567f11eb4ab2f4b9954d9efdb6748415e3defc6ffc93668c821b52ed13","schema_version":"1.0","event_id":"sha256:e0e646567f11eb4ab2f4b9954d9efdb6748415e3defc6ffc93668c821b52ed13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:HCG4OIPNSDRTNPPMYMEUAFUNOF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Young and embedded clusters in Cygnus-X: evidence for building up the IMF?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"E. Moraux, F.F.S. Maia, I. Joncour","submitted_at":"2016-02-23T22:20:53Z","abstract_excerpt":"We provide a new view on the Cygnus-X north complex by accessing for the first time the low mass content of young stellar populations in the region. CFHT/WIRCam camera was used to perform a deep near-IR survey of this complex, sampling stellar masses down to ~0.1 M$_\\odot$. Several analysis tools, including a extinction treatment developed in this work, were employed to identify and uniformly characterise a dozen unstudied young star clusters in the area. Investigation of their mass distributions in low-mass domain revealed a relatively uniform log-normal IMF with a characteristic mass of 0.32"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.07341","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":"2026-05-18T01:19:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3NoFaAm3JaDuAYH6Z1Mp+ptRJB2elAZVvwz8mBcz7BoImkZaQ4FFaiMzGqTUpohni2ybvUM2vTIHpnVM2hXVCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:17:38.762931Z"},"content_sha256":"d99563d13bc11450edeb8462a0c4f4edbcb3272d2853a16e084f9ef81d01d0bc","schema_version":"1.0","event_id":"sha256:d99563d13bc11450edeb8462a0c4f4edbcb3272d2853a16e084f9ef81d01d0bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HCG4OIPNSDRTNPPMYMEUAFUNOF/bundle.json","state_url":"https://pith.science/pith/HCG4OIPNSDRTNPPMYMEUAFUNOF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HCG4OIPNSDRTNPPMYMEUAFUNOF/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":"2026-05-25T14:17:38Z","links":{"resolver":"https://pith.science/pith/HCG4OIPNSDRTNPPMYMEUAFUNOF","bundle":"https://pith.science/pith/HCG4OIPNSDRTNPPMYMEUAFUNOF/bundle.json","state":"https://pith.science/pith/HCG4OIPNSDRTNPPMYMEUAFUNOF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HCG4OIPNSDRTNPPMYMEUAFUNOF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HCG4OIPNSDRTNPPMYMEUAFUNOF","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":"2aa6e9ba2e20b6bbd68a1938e63d5c8b322f03fb8143d68ac33dd815e2dd8945","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-23T22:20:53Z","title_canon_sha256":"1cf56a62167182c8327de92d1f8bbf6a2ee4ce51b10f9a6bf7bb239e86d101a8"},"schema_version":"1.0","source":{"id":"1602.07341","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.07341","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"arxiv_version","alias_value":"1602.07341v1","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.07341","created_at":"2026-05-18T01:19:00Z"},{"alias_kind":"pith_short_12","alias_value":"HCG4OIPNSDRT","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HCG4OIPNSDRTNPPM","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HCG4OIPN","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:d99563d13bc11450edeb8462a0c4f4edbcb3272d2853a16e084f9ef81d01d0bc","target":"graph","created_at":"2026-05-18T01:19:00Z","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 provide a new view on the Cygnus-X north complex by accessing for the first time the low mass content of young stellar populations in the region. CFHT/WIRCam camera was used to perform a deep near-IR survey of this complex, sampling stellar masses down to ~0.1 M$_\\odot$. Several analysis tools, including a extinction treatment developed in this work, were employed to identify and uniformly characterise a dozen unstudied young star clusters in the area. Investigation of their mass distributions in low-mass domain revealed a relatively uniform log-normal IMF with a characteristic mass of 0.32","authors_text":"E. Moraux, F.F.S. Maia, I. Joncour","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-23T22:20:53Z","title":"Young and embedded clusters in Cygnus-X: evidence for building up the IMF?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.07341","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:e0e646567f11eb4ab2f4b9954d9efdb6748415e3defc6ffc93668c821b52ed13","target":"record","created_at":"2026-05-18T01:19:00Z","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":"2aa6e9ba2e20b6bbd68a1938e63d5c8b322f03fb8143d68ac33dd815e2dd8945","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-23T22:20:53Z","title_canon_sha256":"1cf56a62167182c8327de92d1f8bbf6a2ee4ce51b10f9a6bf7bb239e86d101a8"},"schema_version":"1.0","source":{"id":"1602.07341","kind":"arxiv","version":1}},"canonical_sha256":"388dc721ed90e336bdecc30940168d714637691952668699729823f062b79e7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"388dc721ed90e336bdecc30940168d714637691952668699729823f062b79e7c","first_computed_at":"2026-05-18T01:19:00.956764Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:00.956764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t9k7w8Hbed5/naQlrMaPWpetfhVc8kh3SQlV3gsKfRvewEYYWgihOJUy2wxujuDSE+SHS3MAp2GpQ8F7lQhHAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:00.957328Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.07341","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0e646567f11eb4ab2f4b9954d9efdb6748415e3defc6ffc93668c821b52ed13","sha256:d99563d13bc11450edeb8462a0c4f4edbcb3272d2853a16e084f9ef81d01d0bc"],"state_sha256":"4e09f3cffae4263b5eb6e6c1806ef7a20a628baca0fa3fbfe0e89c91c10b25da"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XNE91mIByeDSgiF0iyoXiejbBwUFuAfdHDhs2AsjqkbGkFx2e+3IqheFUrqoq1wnVLXqwPYQNiBh3j3ChBHoDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T14:17:38.766369Z","bundle_sha256":"b918ccdf71113fd942182fb528caddca8cd28bd983b8b232e8988b0936be8a8b"}}