{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2VCF6VQQLXLWC4KMT6BX6S5TPO","short_pith_number":"pith:2VCF6VQQ","canonical_record":{"source":{"id":"1903.02512","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-06T17:37:54Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"9ee683c7a5e9c6a63f3c02b9a016211aac367220dea6a8b7a0e0fb0a5e74e232","abstract_canon_sha256":"6bf38e1bbb57b99d7057bb1a72d9ea8c912fbaec26fc52abaaf0f677309632c3"},"schema_version":"1.0"},"canonical_sha256":"d5445f56105dd761714c9f837f4bb37bb2dde66c51bdae2cdc127c757858188b","source":{"kind":"arxiv","id":"1903.02512","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02512","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02512v2","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02512","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"2VCF6VQQLXLW","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"2VCF6VQQLXLWC4KM","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"2VCF6VQQ","created_at":"2026-07-05T00:08:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2VCF6VQQLXLWC4KMT6BX6S5TPO","target":"record","payload":{"canonical_record":{"source":{"id":"1903.02512","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-06T17:37:54Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"9ee683c7a5e9c6a63f3c02b9a016211aac367220dea6a8b7a0e0fb0a5e74e232","abstract_canon_sha256":"6bf38e1bbb57b99d7057bb1a72d9ea8c912fbaec26fc52abaaf0f677309632c3"},"schema_version":"1.0"},"canonical_sha256":"d5445f56105dd761714c9f837f4bb37bb2dde66c51bdae2cdc127c757858188b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:08:28.481168Z","signature_b64":"e1gewQj3lGlGGdnMUTniDWaVgyEg6Ab7IDchcv5WExYymI9eIjl4gyd9qp1z8MRVtbD1S2a1EKwFL5TmUWOLBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5445f56105dd761714c9f837f4bb37bb2dde66c51bdae2cdc127c757858188b","last_reissued_at":"2026-07-05T00:08:28.480731Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:08:28.480731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.02512","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":"2026-07-05T00:08:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E7EFoApX7jCwfoX5NSIPM7ZWqKTUiTR8JC84tAIq41EqJLq3P3GOptbm5g/B0mms7T7dp0JpuCGM4P1cjtTeDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:04:55.524951Z"},"content_sha256":"a47627250eee5ccffeea59eb46546c2d292062a6624f1ce01157dc82a7927989","schema_version":"1.0","event_id":"sha256:a47627250eee5ccffeea59eb46546c2d292062a6624f1ce01157dc82a7927989"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2VCF6VQQLXLWC4KMT6BX6S5TPO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Redshift Horizon for Detecting the First Galaxies in Far-Infared Surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Maria Emilia De Rossi, Volker Bromm","submitted_at":"2019-03-06T17:37:54Z","abstract_excerpt":"We explore the possibility of detecting the first galaxies with the next generation of space-based far infrared (FIR) telescopes by applying an analytical model of primordial dust emission. Our results indicate that FIR/sub-mm sources at $z \\gtrsim 7$ will experience a strong negative K-correction. Systems of a given virial mass would exhibit larger dust luminosities at higher $z$, as a consequence of the increase in dust temperature driven by the higher temperature floor set by the cosmic microwave background. In addition, high-$z$ systems are more concentrated, which enhances the heating eff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02512","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1903.02512/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:08:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AJmiimuVEjzl7O4B0N/w+2vZznoNmIii/VPz9WvJS3lWFiGWTckNbgm3pfo19UeAG/V8290CQ3sWcCrXbr5mDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:04:55.525710Z"},"content_sha256":"a35b3050495684d9085aa9c19176138161644794e7b4952db9974df2985b1b52","schema_version":"1.0","event_id":"sha256:a35b3050495684d9085aa9c19176138161644794e7b4952db9974df2985b1b52"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2VCF6VQQLXLWC4KMT6BX6S5TPO/bundle.json","state_url":"https://pith.science/pith/2VCF6VQQLXLWC4KMT6BX6S5TPO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2VCF6VQQLXLWC4KMT6BX6S5TPO/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":"2026-08-10T19:04:55Z","links":{"resolver":"https://pith.science/pith/2VCF6VQQLXLWC4KMT6BX6S5TPO","bundle":"https://pith.science/pith/2VCF6VQQLXLWC4KMT6BX6S5TPO/bundle.json","state":"https://pith.science/pith/2VCF6VQQLXLWC4KMT6BX6S5TPO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2VCF6VQQLXLWC4KMT6BX6S5TPO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2VCF6VQQLXLWC4KMT6BX6S5TPO","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":"6bf38e1bbb57b99d7057bb1a72d9ea8c912fbaec26fc52abaaf0f677309632c3","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-06T17:37:54Z","title_canon_sha256":"9ee683c7a5e9c6a63f3c02b9a016211aac367220dea6a8b7a0e0fb0a5e74e232"},"schema_version":"1.0","source":{"id":"1903.02512","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02512","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02512v2","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02512","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"2VCF6VQQLXLW","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"2VCF6VQQLXLWC4KM","created_at":"2026-07-05T00:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"2VCF6VQQ","created_at":"2026-07-05T00:08:28Z"}],"graph_snapshots":[{"event_id":"sha256:a35b3050495684d9085aa9c19176138161644794e7b4952db9974df2985b1b52","target":"graph","created_at":"2026-07-05T00:08:28Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1903.02512/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We explore the possibility of detecting the first galaxies with the next generation of space-based far infrared (FIR) telescopes by applying an analytical model of primordial dust emission. Our results indicate that FIR/sub-mm sources at $z \\gtrsim 7$ will experience a strong negative K-correction. Systems of a given virial mass would exhibit larger dust luminosities at higher $z$, as a consequence of the increase in dust temperature driven by the higher temperature floor set by the cosmic microwave background. In addition, high-$z$ systems are more concentrated, which enhances the heating eff","authors_text":"Maria Emilia De Rossi, Volker Bromm","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-06T17:37:54Z","title":"Redshift Horizon for Detecting the First Galaxies in Far-Infared Surveys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02512","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:a47627250eee5ccffeea59eb46546c2d292062a6624f1ce01157dc82a7927989","target":"record","created_at":"2026-07-05T00:08:28Z","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":"6bf38e1bbb57b99d7057bb1a72d9ea8c912fbaec26fc52abaaf0f677309632c3","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-03-06T17:37:54Z","title_canon_sha256":"9ee683c7a5e9c6a63f3c02b9a016211aac367220dea6a8b7a0e0fb0a5e74e232"},"schema_version":"1.0","source":{"id":"1903.02512","kind":"arxiv","version":2}},"canonical_sha256":"d5445f56105dd761714c9f837f4bb37bb2dde66c51bdae2cdc127c757858188b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5445f56105dd761714c9f837f4bb37bb2dde66c51bdae2cdc127c757858188b","first_computed_at":"2026-07-05T00:08:28.480731Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:08:28.480731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e1gewQj3lGlGGdnMUTniDWaVgyEg6Ab7IDchcv5WExYymI9eIjl4gyd9qp1z8MRVtbD1S2a1EKwFL5TmUWOLBw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:08:28.481168Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.02512","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a47627250eee5ccffeea59eb46546c2d292062a6624f1ce01157dc82a7927989","sha256:a35b3050495684d9085aa9c19176138161644794e7b4952db9974df2985b1b52"],"state_sha256":"bece8568e00c7a2de6b9cfa4a7e02a6bfc2a5ba1d129bedbabd5f6eafe73d8b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ECigl4GFyYOwaDQOxX5srBBshNeYwymMWU9Zw0FrbOaxfDbrfjPNHW0CnRJrnW+05CCjv57o1PNlxNYe2tObAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T19:04:55.539013Z","bundle_sha256":"ba780d8b0bc8e095b9de8e0e86e5c12ffc79afbd92dd81975036c1df99de3566"}}