{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:MZUO4CRBBY3RFWNRDJBN73OFHV","short_pith_number":"pith:MZUO4CRB","canonical_record":{"source":{"id":"1610.05373","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:42:39Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"086f90998b4d8eb2505055a27e7ef768cf57b57d91a9d0899fd2a06fc467a060","abstract_canon_sha256":"b9bab5e86c0e4a4c49c659186dc02fb9d02470db3f9fe711ab32b142c0cc8539"},"schema_version":"1.0"},"canonical_sha256":"6668ee0a210e3712d9b11a42dfedc53d7930299ffa480f3996ae90dd4e4d5828","source":{"kind":"arxiv","id":"1610.05373","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05373","created_at":"2026-05-18T00:41:01Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05373v5","created_at":"2026-05-18T00:41:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05373","created_at":"2026-05-18T00:41:01Z"},{"alias_kind":"pith_short_12","alias_value":"MZUO4CRBBY3R","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MZUO4CRBBY3RFWNR","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MZUO4CRB","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:MZUO4CRBBY3RFWNRDJBN73OFHV","target":"record","payload":{"canonical_record":{"source":{"id":"1610.05373","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:42:39Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"086f90998b4d8eb2505055a27e7ef768cf57b57d91a9d0899fd2a06fc467a060","abstract_canon_sha256":"b9bab5e86c0e4a4c49c659186dc02fb9d02470db3f9fe711ab32b142c0cc8539"},"schema_version":"1.0"},"canonical_sha256":"6668ee0a210e3712d9b11a42dfedc53d7930299ffa480f3996ae90dd4e4d5828","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:01.508384Z","signature_b64":"o/diF5PjmIpXAtzzbgGJE1ctPd3kRxKZAWeTCBfv0ezEbPMzi1usP80u22u5b8xMCMe2fUzF+sZRi6KvlQqNDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6668ee0a210e3712d9b11a42dfedc53d7930299ffa480f3996ae90dd4e4d5828","last_reissued_at":"2026-05-18T00:41:01.507732Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:01.507732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.05373","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:41:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tLHOaKQ2kVnDeTCtKbkqucZ+OKSF+N/CtRqGKVyOKb9KrTQ+GYt4ck95AMH/B0TAxrdz52oapoKvd1bgPKVkAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:53:59.988406Z"},"content_sha256":"a1774d42afd5a270942b7269f540b564de9c93f00158748b9e095c7c8c937856","schema_version":"1.0","event_id":"sha256:a1774d42afd5a270942b7269f540b564de9c93f00158748b9e095c7c8c937856"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:MZUO4CRBBY3RFWNRDJBN73OFHV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The SOFIA Massive (SOMA) Star Formation Survey. I. Overview and First Results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Barbara Whitney, James M. De Buizer, Jan E. Staff, Jonathan C. Tan, Kei E. I. Tanaka, Maria T. Beltran, Mengyao Liu, Ralph Shuping, Yichen Zhang","submitted_at":"2016-10-17T22:42:39Z","abstract_excerpt":"We present an overview and first results of the Stratospheric Observatory For Infrared Astronomy Massive (SOMA) Star Formation Survey, which is using the FORCAST instrument to image massive protostars from $\\sim10$--$40\\:\\rm{\\mu}\\rm{m}$. These wavelengths trace thermal emission from warm dust, which in Core Accretion models mainly emerges from the inner regions of protostellar outflow cavities. Dust in dense core envelopes also imprints characteristic extinction patterns at these wavelengths, causing intensity peaks to shift along the outflow axis and profiles to become more symmetric at longe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05373","kind":"arxiv","version":5},"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":"2026-05-18T00:41:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TfIw2stCk9QSrm9tpilXd1D9PHrPoM7drDYMP0H9mGh8naQDMM3xckaVcxo7rHu4Fghu59HGT5g0BnteJLrtBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T05:53:59.988747Z"},"content_sha256":"f228bfec5c78d3f7bd05f16b37875ffeced99364bc5ce755d1a80560cb4a130f","schema_version":"1.0","event_id":"sha256:f228bfec5c78d3f7bd05f16b37875ffeced99364bc5ce755d1a80560cb4a130f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MZUO4CRBBY3RFWNRDJBN73OFHV/bundle.json","state_url":"https://pith.science/pith/MZUO4CRBBY3RFWNRDJBN73OFHV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MZUO4CRBBY3RFWNRDJBN73OFHV/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":"2026-05-31T05:53:59Z","links":{"resolver":"https://pith.science/pith/MZUO4CRBBY3RFWNRDJBN73OFHV","bundle":"https://pith.science/pith/MZUO4CRBBY3RFWNRDJBN73OFHV/bundle.json","state":"https://pith.science/pith/MZUO4CRBBY3RFWNRDJBN73OFHV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MZUO4CRBBY3RFWNRDJBN73OFHV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:MZUO4CRBBY3RFWNRDJBN73OFHV","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":"b9bab5e86c0e4a4c49c659186dc02fb9d02470db3f9fe711ab32b142c0cc8539","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:42:39Z","title_canon_sha256":"086f90998b4d8eb2505055a27e7ef768cf57b57d91a9d0899fd2a06fc467a060"},"schema_version":"1.0","source":{"id":"1610.05373","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.05373","created_at":"2026-05-18T00:41:01Z"},{"alias_kind":"arxiv_version","alias_value":"1610.05373v5","created_at":"2026-05-18T00:41:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.05373","created_at":"2026-05-18T00:41:01Z"},{"alias_kind":"pith_short_12","alias_value":"MZUO4CRBBY3R","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MZUO4CRBBY3RFWNR","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MZUO4CRB","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:f228bfec5c78d3f7bd05f16b37875ffeced99364bc5ce755d1a80560cb4a130f","target":"graph","created_at":"2026-05-18T00:41:01Z","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 present an overview and first results of the Stratospheric Observatory For Infrared Astronomy Massive (SOMA) Star Formation Survey, which is using the FORCAST instrument to image massive protostars from $\\sim10$--$40\\:\\rm{\\mu}\\rm{m}$. These wavelengths trace thermal emission from warm dust, which in Core Accretion models mainly emerges from the inner regions of protostellar outflow cavities. Dust in dense core envelopes also imprints characteristic extinction patterns at these wavelengths, causing intensity peaks to shift along the outflow axis and profiles to become more symmetric at longe","authors_text":"Barbara Whitney, James M. De Buizer, Jan E. Staff, Jonathan C. Tan, Kei E. I. Tanaka, Maria T. Beltran, Mengyao Liu, Ralph Shuping, Yichen Zhang","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:42:39Z","title":"The SOFIA Massive (SOMA) Star Formation Survey. I. Overview and First Results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.05373","kind":"arxiv","version":5},"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:a1774d42afd5a270942b7269f540b564de9c93f00158748b9e095c7c8c937856","target":"record","created_at":"2026-05-18T00:41:01Z","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":"b9bab5e86c0e4a4c49c659186dc02fb9d02470db3f9fe711ab32b142c0cc8539","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-17T22:42:39Z","title_canon_sha256":"086f90998b4d8eb2505055a27e7ef768cf57b57d91a9d0899fd2a06fc467a060"},"schema_version":"1.0","source":{"id":"1610.05373","kind":"arxiv","version":5}},"canonical_sha256":"6668ee0a210e3712d9b11a42dfedc53d7930299ffa480f3996ae90dd4e4d5828","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6668ee0a210e3712d9b11a42dfedc53d7930299ffa480f3996ae90dd4e4d5828","first_computed_at":"2026-05-18T00:41:01.507732Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:01.507732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o/diF5PjmIpXAtzzbgGJE1ctPd3kRxKZAWeTCBfv0ezEbPMzi1usP80u22u5b8xMCMe2fUzF+sZRi6KvlQqNDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:01.508384Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.05373","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1774d42afd5a270942b7269f540b564de9c93f00158748b9e095c7c8c937856","sha256:f228bfec5c78d3f7bd05f16b37875ffeced99364bc5ce755d1a80560cb4a130f"],"state_sha256":"c782098be09e4d114c352a974f7a7eae77f58238acf687f5f5e17f66d34e688f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lV87XJwg+3UHupypkp7+eG2jSaIzIQ1Vdg+yMmyO7n4Dz3PPv4uX0JoUZy9Q1TGnLuHBrtuhKYph7CMA3v8mBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T05:53:59.990564Z","bundle_sha256":"6a48fe7f4257f47ef87af3fe86e0858d0a6d8d862611b5f776be7760adeb24c7"}}