{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4ATCNZK5KS3ISF7LOWXQ2N2A47","short_pith_number":"pith:4ATCNZK5","canonical_record":{"source":{"id":"1710.08317","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-23T14:57:44Z","cross_cats_sorted":[],"title_canon_sha256":"d1ff4f9dce654e36c8e51c3de7747925230caee8fb9e7325be5ba729c6b527bd","abstract_canon_sha256":"217267fff3738d4d745fa78d5d550ca923c5e06d8ed7f7b05313026196134b0f"},"schema_version":"1.0"},"canonical_sha256":"e02626e55d54b68917eb75af0d3740e7d5a1cf6a6845a8daf183bfa58db13377","source":{"kind":"arxiv","id":"1710.08317","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.08317","created_at":"2026-05-18T00:32:16Z"},{"alias_kind":"arxiv_version","alias_value":"1710.08317v1","created_at":"2026-05-18T00:32:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.08317","created_at":"2026-05-18T00:32:16Z"},{"alias_kind":"pith_short_12","alias_value":"4ATCNZK5KS3I","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"4ATCNZK5KS3ISF7L","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"4ATCNZK5","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4ATCNZK5KS3ISF7LOWXQ2N2A47","target":"record","payload":{"canonical_record":{"source":{"id":"1710.08317","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-23T14:57:44Z","cross_cats_sorted":[],"title_canon_sha256":"d1ff4f9dce654e36c8e51c3de7747925230caee8fb9e7325be5ba729c6b527bd","abstract_canon_sha256":"217267fff3738d4d745fa78d5d550ca923c5e06d8ed7f7b05313026196134b0f"},"schema_version":"1.0"},"canonical_sha256":"e02626e55d54b68917eb75af0d3740e7d5a1cf6a6845a8daf183bfa58db13377","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:16.726793Z","signature_b64":"ZLaMRnhsccxQ2zH7C8bigra518N75L1mrjh+tu+JZDdF02WweFvfQvjD0n473OgIXjurfPKdRoZeevYvjZjCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e02626e55d54b68917eb75af0d3740e7d5a1cf6a6845a8daf183bfa58db13377","last_reissued_at":"2026-05-18T00:32:16.726337Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:16.726337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.08317","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":"2026-05-18T00:32:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X4PZx3C/aD7208oqFsIYgXW2P56BTU2k9JLgx1SwermrfIQaaMh9mbH5sjG9NOc6vOufO9loLX+sms22n+EkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T13:04:27.441085Z"},"content_sha256":"31fcaf309f1eb4c7e4230d13c9abd503cdc696d60ebf94c73d7b7176461d65ad","schema_version":"1.0","event_id":"sha256:31fcaf309f1eb4c7e4230d13c9abd503cdc696d60ebf94c73d7b7176461d65ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4ATCNZK5KS3ISF7LOWXQ2N2A47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mask Responses for Single-Pixel Terahertz Imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Heinz-Wilhelm Huebers, Peter Jung, Sven Augustin, Sven Frohmann","submitted_at":"2017-10-23T14:57:44Z","abstract_excerpt":"Terahertz (THz) radiation meaning electromagnetic radiation in the range from 0.1 THz (3 mm) to 10 THz (30 mu) has the unique advantage of easily penetrating many obstructions while being non-hazardous to organic tissue since it is non-ionizing. A shortcoming of this domain is the limited availability of high-sensitivity detector arrays respective THz cameras with >1k pixels. To overcome the imaging limitations of the THz domain, compressive imaging in combination with an optically controllable THz spatial light modulator is a promising approach especially when used in a single-pixel imaging m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.08317","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":"2026-05-18T00:32:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M3FMk4n2Xkh+ABJdNrIqufaOz/qjIDhMH+Nq4g8ELPiaN1egbHUrmMTthqq4nS8LmyKsHBhK8PvkmaKW2cUNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T13:04:27.441911Z"},"content_sha256":"bec04ce1e2f697f77a177c2c1d15c7260812c3ebf6c43a8ec4f2ab78ccacc6a2","schema_version":"1.0","event_id":"sha256:bec04ce1e2f697f77a177c2c1d15c7260812c3ebf6c43a8ec4f2ab78ccacc6a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ATCNZK5KS3ISF7LOWXQ2N2A47/bundle.json","state_url":"https://pith.science/pith/4ATCNZK5KS3ISF7LOWXQ2N2A47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ATCNZK5KS3ISF7LOWXQ2N2A47/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":"2026-05-31T13:04:27Z","links":{"resolver":"https://pith.science/pith/4ATCNZK5KS3ISF7LOWXQ2N2A47","bundle":"https://pith.science/pith/4ATCNZK5KS3ISF7LOWXQ2N2A47/bundle.json","state":"https://pith.science/pith/4ATCNZK5KS3ISF7LOWXQ2N2A47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ATCNZK5KS3ISF7LOWXQ2N2A47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4ATCNZK5KS3ISF7LOWXQ2N2A47","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":"217267fff3738d4d745fa78d5d550ca923c5e06d8ed7f7b05313026196134b0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-23T14:57:44Z","title_canon_sha256":"d1ff4f9dce654e36c8e51c3de7747925230caee8fb9e7325be5ba729c6b527bd"},"schema_version":"1.0","source":{"id":"1710.08317","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.08317","created_at":"2026-05-18T00:32:16Z"},{"alias_kind":"arxiv_version","alias_value":"1710.08317v1","created_at":"2026-05-18T00:32:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.08317","created_at":"2026-05-18T00:32:16Z"},{"alias_kind":"pith_short_12","alias_value":"4ATCNZK5KS3I","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"4ATCNZK5KS3ISF7L","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"4ATCNZK5","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:bec04ce1e2f697f77a177c2c1d15c7260812c3ebf6c43a8ec4f2ab78ccacc6a2","target":"graph","created_at":"2026-05-18T00:32:16Z","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":"Terahertz (THz) radiation meaning electromagnetic radiation in the range from 0.1 THz (3 mm) to 10 THz (30 mu) has the unique advantage of easily penetrating many obstructions while being non-hazardous to organic tissue since it is non-ionizing. A shortcoming of this domain is the limited availability of high-sensitivity detector arrays respective THz cameras with >1k pixels. To overcome the imaging limitations of the THz domain, compressive imaging in combination with an optically controllable THz spatial light modulator is a promising approach especially when used in a single-pixel imaging m","authors_text":"Heinz-Wilhelm Huebers, Peter Jung, Sven Augustin, Sven Frohmann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-23T14:57:44Z","title":"Mask Responses for Single-Pixel Terahertz Imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.08317","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":"sha256:31fcaf309f1eb4c7e4230d13c9abd503cdc696d60ebf94c73d7b7176461d65ad","target":"record","created_at":"2026-05-18T00:32:16Z","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":"217267fff3738d4d745fa78d5d550ca923c5e06d8ed7f7b05313026196134b0f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-10-23T14:57:44Z","title_canon_sha256":"d1ff4f9dce654e36c8e51c3de7747925230caee8fb9e7325be5ba729c6b527bd"},"schema_version":"1.0","source":{"id":"1710.08317","kind":"arxiv","version":1}},"canonical_sha256":"e02626e55d54b68917eb75af0d3740e7d5a1cf6a6845a8daf183bfa58db13377","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e02626e55d54b68917eb75af0d3740e7d5a1cf6a6845a8daf183bfa58db13377","first_computed_at":"2026-05-18T00:32:16.726337Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:16.726337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZLaMRnhsccxQ2zH7C8bigra518N75L1mrjh+tu+JZDdF02WweFvfQvjD0n473OgIXjurfPKdRoZeevYvjZjCAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:16.726793Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.08317","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31fcaf309f1eb4c7e4230d13c9abd503cdc696d60ebf94c73d7b7176461d65ad","sha256:bec04ce1e2f697f77a177c2c1d15c7260812c3ebf6c43a8ec4f2ab78ccacc6a2"],"state_sha256":"03b766bb73627e7d11d49aa924d4c6d2eff374ec2b104a7f8f6492982c059f40"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hkNVfgECA5fLDO7VmrsiZmSDO/WsEbjLqP1sAuS0ScNIIFUH03lF3qTNrO0hOvwCfb8Pkm2t8U0izbBJGUwtBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T13:04:27.446286Z","bundle_sha256":"7e6e0db8494f3554163c12f6d9e010cbd1c7963cd1c1f00c2e55d7c02ccd1b8f"}}