{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NDZ4CBAKF6ECLTOMYH36HLGBTE","short_pith_number":"pith:NDZ4CBAK","canonical_record":{"source":{"id":"1401.0745","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-03T22:24:20Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"2064c7ae28b0711436123babb06412e8f258e441a20ea542ff4f48946e5d46d5","abstract_canon_sha256":"4757a71fad629e2d44d01b658989530c3f915dff220a190e57b69f7614b181d4"},"schema_version":"1.0"},"canonical_sha256":"68f3c1040a2f8825cdccc1f7e3acc19900f8b6d56a6f3d1803bb46b4e52ab515","source":{"kind":"arxiv","id":"1401.0745","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0745","created_at":"2026-05-18T02:32:14Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0745v2","created_at":"2026-05-18T02:32:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0745","created_at":"2026-05-18T02:32:14Z"},{"alias_kind":"pith_short_12","alias_value":"NDZ4CBAKF6EC","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NDZ4CBAKF6ECLTOM","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NDZ4CBAK","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NDZ4CBAKF6ECLTOMYH36HLGBTE","target":"record","payload":{"canonical_record":{"source":{"id":"1401.0745","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-03T22:24:20Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"2064c7ae28b0711436123babb06412e8f258e441a20ea542ff4f48946e5d46d5","abstract_canon_sha256":"4757a71fad629e2d44d01b658989530c3f915dff220a190e57b69f7614b181d4"},"schema_version":"1.0"},"canonical_sha256":"68f3c1040a2f8825cdccc1f7e3acc19900f8b6d56a6f3d1803bb46b4e52ab515","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:14.255150Z","signature_b64":"8Z5JOdGeYJCUcsEYO0zmiFrCSYlAtRAiODTFj82NXUmKh7IGs/enGnD2uk7xrVFb8jo1HtjBCsdoG1XYkeDxDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68f3c1040a2f8825cdccc1f7e3acc19900f8b6d56a6f3d1803bb46b4e52ab515","last_reissued_at":"2026-05-18T02:32:14.254607Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:14.254607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.0745","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:32:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PkbqZxg0XfO6YLQwb8WIjzA2zvjczALBbQz1DkfPGeQ4/hdo9EHTsAjXUcOooKD956NhdSyf4PXVhxSKnmIuCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:55:42.314055Z"},"content_sha256":"9103062e47dd27a6fd2c9fa5c5ed75be34c8d79f8ced5870ae3ac60b3bc3602f","schema_version":"1.0","event_id":"sha256:9103062e47dd27a6fd2c9fa5c5ed75be34c8d79f8ced5870ae3ac60b3bc3602f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NDZ4CBAKF6ECLTOMYH36HLGBTE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Is There a Maximum Star Formation Rate in High-Redshift Galaxies?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A.J. Barger, C.-C. Chen, C.M. Casey, D.B. Sanders, F.N. Owen, J.P. Williams, L.L. Cowie, N. Lee, W.-H. Wang","submitted_at":"2014-01-03T22:24:20Z","abstract_excerpt":"We use the James Clerk Maxwell Telescope's SCUBA-2 camera to image a 400 arcmin^2 area surrounding the GOODS-N field. The 850 micron rms noise ranges from a value of 0.49 mJy in the central region to 3.5 mJy at the outside edge. From these data, we construct an 850 micron source catalog to 2 mJy containing 49 sources detected above the 4-sigma level. We use an ultradeep (11.5 uJy at 5-sigma) 1.4 GHz image obtained with the Karl G. Jansky Very Large Array together with observations made with the Submillimeter Array to identify counterparts to the submillimeter galaxies. For most cases of multip"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0745","kind":"arxiv","version":2},"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":"2026-05-18T02:32:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fLv7+KPpfHJjxJGFVw27FkyKgjiw9JrS05wpOeGqZtV6C8RXdKhMMbDh+xQtuW0sqaUrOGufuKoN1LUnQWhNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:55:42.314451Z"},"content_sha256":"a3c9ddefebd7d26fb5ab04d90af58e0388f053d20b77fa9926ac88a520f3cdfc","schema_version":"1.0","event_id":"sha256:a3c9ddefebd7d26fb5ab04d90af58e0388f053d20b77fa9926ac88a520f3cdfc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NDZ4CBAKF6ECLTOMYH36HLGBTE/bundle.json","state_url":"https://pith.science/pith/NDZ4CBAKF6ECLTOMYH36HLGBTE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NDZ4CBAKF6ECLTOMYH36HLGBTE/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":"2026-06-01T05:55:42Z","links":{"resolver":"https://pith.science/pith/NDZ4CBAKF6ECLTOMYH36HLGBTE","bundle":"https://pith.science/pith/NDZ4CBAKF6ECLTOMYH36HLGBTE/bundle.json","state":"https://pith.science/pith/NDZ4CBAKF6ECLTOMYH36HLGBTE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NDZ4CBAKF6ECLTOMYH36HLGBTE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NDZ4CBAKF6ECLTOMYH36HLGBTE","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":"4757a71fad629e2d44d01b658989530c3f915dff220a190e57b69f7614b181d4","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-03T22:24:20Z","title_canon_sha256":"2064c7ae28b0711436123babb06412e8f258e441a20ea542ff4f48946e5d46d5"},"schema_version":"1.0","source":{"id":"1401.0745","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0745","created_at":"2026-05-18T02:32:14Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0745v2","created_at":"2026-05-18T02:32:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0745","created_at":"2026-05-18T02:32:14Z"},{"alias_kind":"pith_short_12","alias_value":"NDZ4CBAKF6EC","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NDZ4CBAKF6ECLTOM","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NDZ4CBAK","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:a3c9ddefebd7d26fb5ab04d90af58e0388f053d20b77fa9926ac88a520f3cdfc","target":"graph","created_at":"2026-05-18T02:32:14Z","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":"We use the James Clerk Maxwell Telescope's SCUBA-2 camera to image a 400 arcmin^2 area surrounding the GOODS-N field. The 850 micron rms noise ranges from a value of 0.49 mJy in the central region to 3.5 mJy at the outside edge. From these data, we construct an 850 micron source catalog to 2 mJy containing 49 sources detected above the 4-sigma level. We use an ultradeep (11.5 uJy at 5-sigma) 1.4 GHz image obtained with the Karl G. Jansky Very Large Array together with observations made with the Submillimeter Array to identify counterparts to the submillimeter galaxies. For most cases of multip","authors_text":"A.J. Barger, C.-C. Chen, C.M. Casey, D.B. Sanders, F.N. Owen, J.P. Williams, L.L. Cowie, N. Lee, W.-H. Wang","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-03T22:24:20Z","title":"Is There a Maximum Star Formation Rate in High-Redshift Galaxies?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0745","kind":"arxiv","version":2},"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":"sha256:9103062e47dd27a6fd2c9fa5c5ed75be34c8d79f8ced5870ae3ac60b3bc3602f","target":"record","created_at":"2026-05-18T02:32:14Z","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":"4757a71fad629e2d44d01b658989530c3f915dff220a190e57b69f7614b181d4","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-01-03T22:24:20Z","title_canon_sha256":"2064c7ae28b0711436123babb06412e8f258e441a20ea542ff4f48946e5d46d5"},"schema_version":"1.0","source":{"id":"1401.0745","kind":"arxiv","version":2}},"canonical_sha256":"68f3c1040a2f8825cdccc1f7e3acc19900f8b6d56a6f3d1803bb46b4e52ab515","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68f3c1040a2f8825cdccc1f7e3acc19900f8b6d56a6f3d1803bb46b4e52ab515","first_computed_at":"2026-05-18T02:32:14.254607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:14.254607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8Z5JOdGeYJCUcsEYO0zmiFrCSYlAtRAiODTFj82NXUmKh7IGs/enGnD2uk7xrVFb8jo1HtjBCsdoG1XYkeDxDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:14.255150Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.0745","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9103062e47dd27a6fd2c9fa5c5ed75be34c8d79f8ced5870ae3ac60b3bc3602f","sha256:a3c9ddefebd7d26fb5ab04d90af58e0388f053d20b77fa9926ac88a520f3cdfc"],"state_sha256":"7460b4e4cf06c58adc5b6cace44ec920bd6c42d8b9c1e7263442a6a049915638"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YQKuvUmcDQW3/mnroZwbQw3/2WlCY8p9BLZUPMueCnWXZ1zkyHKqHa31M8HH3hiuC2gxaenoozE4xLV7j7uHAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:55:42.316628Z","bundle_sha256":"62589c19e0c2df90e2dde243e3b8325efb9ab1368406eaea6724d6dfeef095f7"}}