{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:S33ZXNSODJSOJHVZZORYJADDRY","short_pith_number":"pith:S33ZXNSO","canonical_record":{"source":{"id":"1605.06136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-19T20:25:06Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"6049226f645e611bc21f13dbf406298c10cec0d4555f3b5a46887880b49dc222","abstract_canon_sha256":"ce964697fd6dcfd799514e364e9bbbc71862583b1e90fb6a2aa2395214477843"},"schema_version":"1.0"},"canonical_sha256":"96f79bb64e1a64e49eb9cba38480638e1c7212629d62843046d60bc0250bdb37","source":{"kind":"arxiv","id":"1605.06136","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06136","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06136v1","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06136","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"S33ZXNSODJSO","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"S33ZXNSODJSOJHVZ","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"S33ZXNSO","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:S33ZXNSODJSOJHVZZORYJADDRY","target":"record","payload":{"canonical_record":{"source":{"id":"1605.06136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-19T20:25:06Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"6049226f645e611bc21f13dbf406298c10cec0d4555f3b5a46887880b49dc222","abstract_canon_sha256":"ce964697fd6dcfd799514e364e9bbbc71862583b1e90fb6a2aa2395214477843"},"schema_version":"1.0"},"canonical_sha256":"96f79bb64e1a64e49eb9cba38480638e1c7212629d62843046d60bc0250bdb37","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:02.943542Z","signature_b64":"QA9VOmxTvxo1l6nFrE8UaQ3aK58hVGpJWV6Bs33ZVQlsCw/DfQqMmsbxz4WY5coW44Cv23HW0eMvSq+YTLNQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96f79bb64e1a64e49eb9cba38480638e1c7212629d62843046d60bc0250bdb37","last_reissued_at":"2026-05-18T01:10:02.943083Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:02.943083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.06136","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":"2026-05-18T01:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L8E5zJTZ68pWaFzK62pcjjs6XVzA5N+tb7o/C7+D2SMikske/zlML+t8SyzUwM3lSW/mXY4yn3ty1KjcKqQvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:28:00.807172Z"},"content_sha256":"7a5dad4637c292c89fbcc45e75ae83cca10052ec41e107529ab1d1d0fd378bb7","schema_version":"1.0","event_id":"sha256:7a5dad4637c292c89fbcc45e75ae83cca10052ec41e107529ab1d1d0fd378bb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:S33ZXNSODJSOJHVZZORYJADDRY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The JCMT Gould Belt Survey: Evidence for Dust Grain Evolution in Perseus Star-forming Clumps","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Chrysostomou, A. Duarte-Cabral, B.C. Matthews, C.J. Davis, C. Mowat, C. Quinn, C. Salji, D. Bresnahan, D. Johnstone, D. Nutter, D. Robertson, D. Rumble, D.S. Berry, D. Ward-Thompson, E. Drabek-Maunder, E. Rosolowsky, G.A. Fuller, G. Joncas, G.J. White, G. Moriarty-Schieven, H. Broekhoven-Fiene, H. Butner, H. Kirk, H. Thomas, J. Buckle, J.C. Mottram, J. Di Francesco, J.E. Pineda, J. Fiege, J. Greaves, J. Gregson, J. Hatchell, J.M. Kirk, J. Rawlings, J. Richer, J. Wouterloot, J. Yates, K. Marsh, K. Pattle, L.B.G. Knee, M. Fich, Michael Chun-Yuan Chen, M.J. Currie, M.R. Hogerheijde, M. Zhu, N. Schneider-Bontemps, N. Tothill, P. Bastien, P. Friberg, R. Friesen, S. Coude, S. Graves, S. Mairs, S. Pezzuto, S. Sadavoy, S. Tisi, S. Viti, T. Jenness, W. Holland","submitted_at":"2016-05-19T20:25:06Z","abstract_excerpt":"The dust emissivity spectral index, $\\beta$, is a critical parameter for deriving the mass and temperature of star-forming structures, and consequently their gravitational stability. The $\\beta$ value is dependent on various dust grain properties, such as size, porosity, and surface composition, and is expected to vary as dust grains evolve. Here we present $\\beta$, dust temperature, and optical depth maps of the star-forming clumps in the Perseus Molecular Cloud determined from fitting SEDs to combined Herschel and JCMT observations in the 160 $\\mu$m, 250 $\\mu$m, 350 $\\mu$m, 500 $\\mu$m, and 8"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06136","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":"2026-05-18T01:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZAW6flys0/vWnryFUxXfqd7g6t6BOP0+ytzp3SnULbVTUZIxP6kN8a7iqqDflEnbD29rz0GxzM7tVQJ8xjCqBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:28:00.807909Z"},"content_sha256":"72ea0d4a2df32fd61eecd719959f16be62627f405c4e01a7a9ac5090a74a70d8","schema_version":"1.0","event_id":"sha256:72ea0d4a2df32fd61eecd719959f16be62627f405c4e01a7a9ac5090a74a70d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S33ZXNSODJSOJHVZZORYJADDRY/bundle.json","state_url":"https://pith.science/pith/S33ZXNSODJSOJHVZZORYJADDRY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S33ZXNSODJSOJHVZZORYJADDRY/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":"2026-05-25T22:28:00Z","links":{"resolver":"https://pith.science/pith/S33ZXNSODJSOJHVZZORYJADDRY","bundle":"https://pith.science/pith/S33ZXNSODJSOJHVZZORYJADDRY/bundle.json","state":"https://pith.science/pith/S33ZXNSODJSOJHVZZORYJADDRY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S33ZXNSODJSOJHVZZORYJADDRY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:S33ZXNSODJSOJHVZZORYJADDRY","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":"ce964697fd6dcfd799514e364e9bbbc71862583b1e90fb6a2aa2395214477843","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-19T20:25:06Z","title_canon_sha256":"6049226f645e611bc21f13dbf406298c10cec0d4555f3b5a46887880b49dc222"},"schema_version":"1.0","source":{"id":"1605.06136","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.06136","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1605.06136v1","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06136","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"S33ZXNSODJSO","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"S33ZXNSODJSOJHVZ","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"S33ZXNSO","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:72ea0d4a2df32fd61eecd719959f16be62627f405c4e01a7a9ac5090a74a70d8","target":"graph","created_at":"2026-05-18T01:10:02Z","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 dust emissivity spectral index, $\\beta$, is a critical parameter for deriving the mass and temperature of star-forming structures, and consequently their gravitational stability. The $\\beta$ value is dependent on various dust grain properties, such as size, porosity, and surface composition, and is expected to vary as dust grains evolve. Here we present $\\beta$, dust temperature, and optical depth maps of the star-forming clumps in the Perseus Molecular Cloud determined from fitting SEDs to combined Herschel and JCMT observations in the 160 $\\mu$m, 250 $\\mu$m, 350 $\\mu$m, 500 $\\mu$m, and 8","authors_text":"A. Chrysostomou, A. Duarte-Cabral, B.C. Matthews, C.J. Davis, C. Mowat, C. Quinn, C. Salji, D. Bresnahan, D. Johnstone, D. Nutter, D. Robertson, D. Rumble, D.S. Berry, D. Ward-Thompson, E. Drabek-Maunder, E. Rosolowsky, G.A. Fuller, G. Joncas, G.J. White, G. Moriarty-Schieven, H. Broekhoven-Fiene, H. Butner, H. Kirk, H. Thomas, J. Buckle, J.C. Mottram, J. Di Francesco, J.E. Pineda, J. Fiege, J. Greaves, J. Gregson, J. Hatchell, J.M. Kirk, J. Rawlings, J. Richer, J. Wouterloot, J. Yates, K. Marsh, K. Pattle, L.B.G. Knee, M. Fich, Michael Chun-Yuan Chen, M.J. Currie, M.R. Hogerheijde, M. Zhu, N. Schneider-Bontemps, N. Tothill, P. Bastien, P. Friberg, R. Friesen, S. Coude, S. Graves, S. Mairs, S. Pezzuto, S. Sadavoy, S. Tisi, S. Viti, T. Jenness, W. Holland","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-19T20:25:06Z","title":"The JCMT Gould Belt Survey: Evidence for Dust Grain Evolution in Perseus Star-forming Clumps"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06136","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":"sha256:7a5dad4637c292c89fbcc45e75ae83cca10052ec41e107529ab1d1d0fd378bb7","target":"record","created_at":"2026-05-18T01:10:02Z","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":"ce964697fd6dcfd799514e364e9bbbc71862583b1e90fb6a2aa2395214477843","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-05-19T20:25:06Z","title_canon_sha256":"6049226f645e611bc21f13dbf406298c10cec0d4555f3b5a46887880b49dc222"},"schema_version":"1.0","source":{"id":"1605.06136","kind":"arxiv","version":1}},"canonical_sha256":"96f79bb64e1a64e49eb9cba38480638e1c7212629d62843046d60bc0250bdb37","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96f79bb64e1a64e49eb9cba38480638e1c7212629d62843046d60bc0250bdb37","first_computed_at":"2026-05-18T01:10:02.943083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:02.943083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QA9VOmxTvxo1l6nFrE8UaQ3aK58hVGpJWV6Bs33ZVQlsCw/DfQqMmsbxz4WY5coW44Cv23HW0eMvSq+YTLNQCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:02.943542Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.06136","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a5dad4637c292c89fbcc45e75ae83cca10052ec41e107529ab1d1d0fd378bb7","sha256:72ea0d4a2df32fd61eecd719959f16be62627f405c4e01a7a9ac5090a74a70d8"],"state_sha256":"d55c9ece6c58080108001ab1022fa6bcee7963dfbb7a8b618395745260a016c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Skb7L39BmygjNUBf0KPDJpnNcrx1aUOjalnfVi+UtOQfgPq5H/xRIZyxEDfgcnTB8l+u+mLhrOUeY9g7bqCgBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:28:00.811698Z","bundle_sha256":"c808311fbe8d2982ad34bb3823716508e59c3200b4682d7e25ffe933a7642956"}}