{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XSXCOJ4QQVV4EWHWPJJCDJINJE","short_pith_number":"pith:XSXCOJ4Q","canonical_record":{"source":{"id":"1709.02389","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-09-07T18:00:00Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"719fa6fb03bb71bc50075972aa3900c50cbcc6c06e0c4c1f5e7b5893260c467d","abstract_canon_sha256":"a06814bfefc4ea9071bcd27a5ce1a7845a4f61bbb810fe376a7066255dc4bfe6"},"schema_version":"1.0"},"canonical_sha256":"bcae272790856bc258f67a5221a50d490869dfb45d8343e04c81cd504a3b5063","source":{"kind":"arxiv","id":"1709.02389","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.02389","created_at":"2026-05-17T23:49:12Z"},{"alias_kind":"arxiv_version","alias_value":"1709.02389v2","created_at":"2026-05-17T23:49:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.02389","created_at":"2026-05-17T23:49:12Z"},{"alias_kind":"pith_short_12","alias_value":"XSXCOJ4QQVV4","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XSXCOJ4QQVV4EWHW","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XSXCOJ4Q","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XSXCOJ4QQVV4EWHWPJJCDJINJE","target":"record","payload":{"canonical_record":{"source":{"id":"1709.02389","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-09-07T18:00:00Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"719fa6fb03bb71bc50075972aa3900c50cbcc6c06e0c4c1f5e7b5893260c467d","abstract_canon_sha256":"a06814bfefc4ea9071bcd27a5ce1a7845a4f61bbb810fe376a7066255dc4bfe6"},"schema_version":"1.0"},"canonical_sha256":"bcae272790856bc258f67a5221a50d490869dfb45d8343e04c81cd504a3b5063","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:12.044108Z","signature_b64":"4mWpcYHY84yebTa5lrgOSQb3NuY63KWBZTq7kiFK0vmtrK0VCd03DEYhaGMMivGXpeOZWXeGVp/jmYEQRLBsCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcae272790856bc258f67a5221a50d490869dfb45d8343e04c81cd504a3b5063","last_reissued_at":"2026-05-17T23:49:12.043409Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:12.043409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.02389","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":"2026-05-17T23:49:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xqE/mur2BBnTie5mhHMtRZA0CBefpMj9traXbd+uw4lMp6bnFwUpjjXhmop6H14ivpQlVy3+HsustqwJzybRCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:02:08.982082Z"},"content_sha256":"1d566c7e58a56f224b768e9420d803791b3d42db42b326c5c7f78a859e4433d4","schema_version":"1.0","event_id":"sha256:1d566c7e58a56f224b768e9420d803791b3d42db42b326c5c7f78a859e4433d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XSXCOJ4QQVV4EWHWPJJCDJINJE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Review: Far-Infrared Instrumentation and Technology Development for the Next Decade","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"astro-ph.IM","authors_text":"Alan Rhodes, Carl Ferkinhoff, Charles M. Bradford, Dariusz C. Lis, David Ardila, David Leisawitz, David Sanders, Dimitra Rigopoulou, Duncan Farrah, Elisabeth Mills, Enrique Lopez-Rodriguez, Eric J. Murphy, Giorgio Savini, James Bartlett, Jason Glenn, Jeyhan Kartaltepe, Johannes Staguhn, John-David Smith, Jonas Zmuidzinas, Julia Kamenetzky, Kimberly Ennico Smith, Lisa Locke, Mark Lacy, Matt Richter, Meredith MacGregor, Michael DiPirro, Michael Zemcov, Naseem Rangwala, Paul Goldsmith, Ravi Sankrit, Sabrina Stierwalt, Sean Carey, S. Harvey Moseley, Stephen A. Rinehart, Thomas Nikola, William J. Fischer","submitted_at":"2017-09-07T18:00:00Z","abstract_excerpt":"Far-infrared astronomy has advanced rapidly since its inception in the late 1950's, driven by a maturing technology base and an expanding community of researchers. This advancement has shown that observations at far-infrared wavelengths are important in nearly all areas of astrophysics, from the search for habitable planets and the origin of life, to the earliest stages of galaxy assembly in the first few hundred million years of cosmic history. The combination of a still developing portfolio of technologies, particularly in the field of detectors, and a widening ensemble of platforms within w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.02389","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":"2026-05-17T23:49:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1tEZ88a5Iyu1HCcK3sBAQQghwQmasGNAsU6BkaW9oV/Zzi6U43OkQVDBfjcXPA//AggV/F4OA8nevrtjWxmOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:02:08.982466Z"},"content_sha256":"c4c841bd2dcabc270c7307c6acbd4437c1055b96b0bd9b0ccb4d9a7b34735f62","schema_version":"1.0","event_id":"sha256:c4c841bd2dcabc270c7307c6acbd4437c1055b96b0bd9b0ccb4d9a7b34735f62"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XSXCOJ4QQVV4EWHWPJJCDJINJE/bundle.json","state_url":"https://pith.science/pith/XSXCOJ4QQVV4EWHWPJJCDJINJE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XSXCOJ4QQVV4EWHWPJJCDJINJE/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":"2026-06-01T05:02:08Z","links":{"resolver":"https://pith.science/pith/XSXCOJ4QQVV4EWHWPJJCDJINJE","bundle":"https://pith.science/pith/XSXCOJ4QQVV4EWHWPJJCDJINJE/bundle.json","state":"https://pith.science/pith/XSXCOJ4QQVV4EWHWPJJCDJINJE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XSXCOJ4QQVV4EWHWPJJCDJINJE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XSXCOJ4QQVV4EWHWPJJCDJINJE","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":"a06814bfefc4ea9071bcd27a5ce1a7845a4f61bbb810fe376a7066255dc4bfe6","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-09-07T18:00:00Z","title_canon_sha256":"719fa6fb03bb71bc50075972aa3900c50cbcc6c06e0c4c1f5e7b5893260c467d"},"schema_version":"1.0","source":{"id":"1709.02389","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.02389","created_at":"2026-05-17T23:49:12Z"},{"alias_kind":"arxiv_version","alias_value":"1709.02389v2","created_at":"2026-05-17T23:49:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.02389","created_at":"2026-05-17T23:49:12Z"},{"alias_kind":"pith_short_12","alias_value":"XSXCOJ4QQVV4","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XSXCOJ4QQVV4EWHW","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XSXCOJ4Q","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:c4c841bd2dcabc270c7307c6acbd4437c1055b96b0bd9b0ccb4d9a7b34735f62","target":"graph","created_at":"2026-05-17T23:49:12Z","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":"Far-infrared astronomy has advanced rapidly since its inception in the late 1950's, driven by a maturing technology base and an expanding community of researchers. This advancement has shown that observations at far-infrared wavelengths are important in nearly all areas of astrophysics, from the search for habitable planets and the origin of life, to the earliest stages of galaxy assembly in the first few hundred million years of cosmic history. The combination of a still developing portfolio of technologies, particularly in the field of detectors, and a widening ensemble of platforms within w","authors_text":"Alan Rhodes, Carl Ferkinhoff, Charles M. Bradford, Dariusz C. Lis, David Ardila, David Leisawitz, David Sanders, Dimitra Rigopoulou, Duncan Farrah, Elisabeth Mills, Enrique Lopez-Rodriguez, Eric J. Murphy, Giorgio Savini, James Bartlett, Jason Glenn, Jeyhan Kartaltepe, Johannes Staguhn, John-David Smith, Jonas Zmuidzinas, Julia Kamenetzky, Kimberly Ennico Smith, Lisa Locke, Mark Lacy, Matt Richter, Meredith MacGregor, Michael DiPirro, Michael Zemcov, Naseem Rangwala, Paul Goldsmith, Ravi Sankrit, Sabrina Stierwalt, Sean Carey, S. Harvey Moseley, Stephen A. Rinehart, Thomas Nikola, William J. Fischer","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-09-07T18:00:00Z","title":"Review: Far-Infrared Instrumentation and Technology Development for the Next Decade"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.02389","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":"sha256:1d566c7e58a56f224b768e9420d803791b3d42db42b326c5c7f78a859e4433d4","target":"record","created_at":"2026-05-17T23:49:12Z","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":"a06814bfefc4ea9071bcd27a5ce1a7845a4f61bbb810fe376a7066255dc4bfe6","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-09-07T18:00:00Z","title_canon_sha256":"719fa6fb03bb71bc50075972aa3900c50cbcc6c06e0c4c1f5e7b5893260c467d"},"schema_version":"1.0","source":{"id":"1709.02389","kind":"arxiv","version":2}},"canonical_sha256":"bcae272790856bc258f67a5221a50d490869dfb45d8343e04c81cd504a3b5063","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bcae272790856bc258f67a5221a50d490869dfb45d8343e04c81cd504a3b5063","first_computed_at":"2026-05-17T23:49:12.043409Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:12.043409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4mWpcYHY84yebTa5lrgOSQb3NuY63KWBZTq7kiFK0vmtrK0VCd03DEYhaGMMivGXpeOZWXeGVp/jmYEQRLBsCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:12.044108Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.02389","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d566c7e58a56f224b768e9420d803791b3d42db42b326c5c7f78a859e4433d4","sha256:c4c841bd2dcabc270c7307c6acbd4437c1055b96b0bd9b0ccb4d9a7b34735f62"],"state_sha256":"96b3b1c640d0d5cb7ced5a1e0bf5ceaaaa15753d35fdf3f3bd4704e0c2057d94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2f6whRtdOXNULiOPRtt074q47uwLZg5OgOEHNmci8RZL05fVq/d2oiEA7oJwjIWdIMR2W0e+MEcGLtAk+8fNBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:02:08.984592Z","bundle_sha256":"e3ea538e3b3560c003257cea1d74f8e82786f977cb4d150c3694343329f75886"}}