{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7OJGU42AVM2FIOMP3JCOX44O25","short_pith_number":"pith:7OJGU42A","canonical_record":{"source":{"id":"1602.00707","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-01T21:09:24Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"cf900e59918dc1138276e568387b1fae5ff1b0fd7bee225013ccd1920a620bd6","abstract_canon_sha256":"6794d3712a9ed95959a46da358434af27f563e69aef8a128dc68cc8a10cadcae"},"schema_version":"1.0"},"canonical_sha256":"fb926a7340ab3454398fda44ebf38ed766d91a9deb931054488558b36db8e88a","source":{"kind":"arxiv","id":"1602.00707","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.00707","created_at":"2026-05-18T01:16:14Z"},{"alias_kind":"arxiv_version","alias_value":"1602.00707v1","created_at":"2026-05-18T01:16:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00707","created_at":"2026-05-18T01:16:14Z"},{"alias_kind":"pith_short_12","alias_value":"7OJGU42AVM2F","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7OJGU42AVM2FIOMP","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7OJGU42A","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7OJGU42AVM2FIOMP3JCOX44O25","target":"record","payload":{"canonical_record":{"source":{"id":"1602.00707","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-01T21:09:24Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"cf900e59918dc1138276e568387b1fae5ff1b0fd7bee225013ccd1920a620bd6","abstract_canon_sha256":"6794d3712a9ed95959a46da358434af27f563e69aef8a128dc68cc8a10cadcae"},"schema_version":"1.0"},"canonical_sha256":"fb926a7340ab3454398fda44ebf38ed766d91a9deb931054488558b36db8e88a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:14.421595Z","signature_b64":"P0W/QVDteF5T8J5jKSMbWUbQtCqPRezSMTRLcj9shmGYk2esLZkyOaEnWdi7qDEGhfKcSXGydPhRzNcmMpPwCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb926a7340ab3454398fda44ebf38ed766d91a9deb931054488558b36db8e88a","last_reissued_at":"2026-05-18T01:16:14.420936Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:14.420936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.00707","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":"2026-05-18T01:16:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"km+dFBYLqt7vvhBCTRWElwuWdjAo1AcAtCMHYUXrxxVpEsHklU9SvtF5qodMWQLCFNzYK9nwiyOTUcbLsE2HCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:59:12.488330Z"},"content_sha256":"9e9e2c97364c9bfa3d74877ca46f5a302e12006f9e00411407c8e3a4faf81edf","schema_version":"1.0","event_id":"sha256:9e9e2c97364c9bfa3d74877ca46f5a302e12006f9e00411407c8e3a4faf81edf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7OJGU42AVM2FIOMP3JCOX44O25","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The JCMT Gould Belt Survey: Dense Core Clusters in Orion B","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"C. Quinn, C. Salji, D. Johnstone, D. Nutter, D.S. Berry, D. Ward-Thompson (The JCMT Gould Belt Survey team), H. Broekhoven-Fiene, H. Kirk, J. Buckle, J.C. Mottram, J. Di Francesco, J.E. Pineda, J. Hatchell, J. Lane, K. Pattle, M. Fich, M.J. Currie, M.R. Hogerheijde, S. Tisi, T. Jenness","submitted_at":"2016-02-01T21:09:24Z","abstract_excerpt":"The JCMT Gould Belt Legacy Survey obtained SCUBA-2 observations of dense cores within three sub-regions of Orion B: LDN 1622, NGC 2023/2024, and NGC 2068/2071, all of which contain clusters of cores. We present an analysis of the clustering properties of these cores, including the two-point correlation function and Cartwright's Q parameter. We identify individual clusters of dense cores across all three regions using a minimal spanning tree technique, and find that in each cluster, the most massive cores tend to be centrally located. We also apply the independent M-Sigma technique and find a s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00707","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":"2026-05-18T01:16:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OgLTKtKgIaZspOhE4XZ37tDTZVKC81CQpE84OSy5PUMV/8HYdpew+BzfHBIa8Y1yyDjfYBffMaZjyPTBGKDbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:59:12.488692Z"},"content_sha256":"319b474ad8ca394fc47911d6f32db786a04c127c67d3186ec97fea70faa579c9","schema_version":"1.0","event_id":"sha256:319b474ad8ca394fc47911d6f32db786a04c127c67d3186ec97fea70faa579c9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7OJGU42AVM2FIOMP3JCOX44O25/bundle.json","state_url":"https://pith.science/pith/7OJGU42AVM2FIOMP3JCOX44O25/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7OJGU42AVM2FIOMP3JCOX44O25/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":"2026-05-28T12:59:12Z","links":{"resolver":"https://pith.science/pith/7OJGU42AVM2FIOMP3JCOX44O25","bundle":"https://pith.science/pith/7OJGU42AVM2FIOMP3JCOX44O25/bundle.json","state":"https://pith.science/pith/7OJGU42AVM2FIOMP3JCOX44O25/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7OJGU42AVM2FIOMP3JCOX44O25/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7OJGU42AVM2FIOMP3JCOX44O25","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":"6794d3712a9ed95959a46da358434af27f563e69aef8a128dc68cc8a10cadcae","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-01T21:09:24Z","title_canon_sha256":"cf900e59918dc1138276e568387b1fae5ff1b0fd7bee225013ccd1920a620bd6"},"schema_version":"1.0","source":{"id":"1602.00707","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.00707","created_at":"2026-05-18T01:16:14Z"},{"alias_kind":"arxiv_version","alias_value":"1602.00707v1","created_at":"2026-05-18T01:16:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00707","created_at":"2026-05-18T01:16:14Z"},{"alias_kind":"pith_short_12","alias_value":"7OJGU42AVM2F","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7OJGU42AVM2FIOMP","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7OJGU42A","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:319b474ad8ca394fc47911d6f32db786a04c127c67d3186ec97fea70faa579c9","target":"graph","created_at":"2026-05-18T01:16:14Z","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":"The JCMT Gould Belt Legacy Survey obtained SCUBA-2 observations of dense cores within three sub-regions of Orion B: LDN 1622, NGC 2023/2024, and NGC 2068/2071, all of which contain clusters of cores. We present an analysis of the clustering properties of these cores, including the two-point correlation function and Cartwright's Q parameter. We identify individual clusters of dense cores across all three regions using a minimal spanning tree technique, and find that in each cluster, the most massive cores tend to be centrally located. We also apply the independent M-Sigma technique and find a s","authors_text":"C. Quinn, C. Salji, D. Johnstone, D. Nutter, D.S. Berry, D. Ward-Thompson (The JCMT Gould Belt Survey team), H. Broekhoven-Fiene, H. Kirk, J. Buckle, J.C. Mottram, J. Di Francesco, J.E. Pineda, J. Hatchell, J. Lane, K. Pattle, M. Fich, M.J. Currie, M.R. Hogerheijde, S. Tisi, T. Jenness","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-01T21:09:24Z","title":"The JCMT Gould Belt Survey: Dense Core Clusters in Orion B"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00707","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":"sha256:9e9e2c97364c9bfa3d74877ca46f5a302e12006f9e00411407c8e3a4faf81edf","target":"record","created_at":"2026-05-18T01:16:14Z","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":"6794d3712a9ed95959a46da358434af27f563e69aef8a128dc68cc8a10cadcae","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-02-01T21:09:24Z","title_canon_sha256":"cf900e59918dc1138276e568387b1fae5ff1b0fd7bee225013ccd1920a620bd6"},"schema_version":"1.0","source":{"id":"1602.00707","kind":"arxiv","version":1}},"canonical_sha256":"fb926a7340ab3454398fda44ebf38ed766d91a9deb931054488558b36db8e88a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb926a7340ab3454398fda44ebf38ed766d91a9deb931054488558b36db8e88a","first_computed_at":"2026-05-18T01:16:14.420936Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:14.420936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P0W/QVDteF5T8J5jKSMbWUbQtCqPRezSMTRLcj9shmGYk2esLZkyOaEnWdi7qDEGhfKcSXGydPhRzNcmMpPwCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:14.421595Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.00707","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e9e2c97364c9bfa3d74877ca46f5a302e12006f9e00411407c8e3a4faf81edf","sha256:319b474ad8ca394fc47911d6f32db786a04c127c67d3186ec97fea70faa579c9"],"state_sha256":"a89b374f2cabab6706358d2b682aada8111415d394cfc844becdb69de124323e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uGrRTMxrh5TEWIJYa1IDgvzZ2tHrw6ODxQTyk7curhTbzbvUHH4Co9PjY9WbMxClzeBqcmPCISWNbum1U44iAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:59:12.490662Z","bundle_sha256":"50090f900d7d84b174c742f7695772a3b6ca22212ad079f8208595de9db1a1d0"}}