{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:VLVDQZENMD2KWJ2BPJGZ3DITO6","short_pith_number":"pith:VLVDQZEN","canonical_record":{"source":{"id":"1705.02428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-06T02:01:58Z","cross_cats_sorted":[],"title_canon_sha256":"09932217884f20a3a4bc9a2b855c1f3a8a6d3c2d94a2c7f26d074541559eb807","abstract_canon_sha256":"5f8137f5b2da82a4b4c23e8dae2ed668e81f072a3536d1a9e83d48288a5e641f"},"schema_version":"1.0"},"canonical_sha256":"aaea38648d60f4ab27417a4d9d8d1377889c755ff77ca4357b3164ce48a093ef","source":{"kind":"arxiv","id":"1705.02428","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02428","created_at":"2026-05-18T00:34:37Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02428v1","created_at":"2026-05-18T00:34:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02428","created_at":"2026-05-18T00:34:37Z"},{"alias_kind":"pith_short_12","alias_value":"VLVDQZENMD2K","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VLVDQZENMD2KWJ2B","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VLVDQZEN","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:VLVDQZENMD2KWJ2BPJGZ3DITO6","target":"record","payload":{"canonical_record":{"source":{"id":"1705.02428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-06T02:01:58Z","cross_cats_sorted":[],"title_canon_sha256":"09932217884f20a3a4bc9a2b855c1f3a8a6d3c2d94a2c7f26d074541559eb807","abstract_canon_sha256":"5f8137f5b2da82a4b4c23e8dae2ed668e81f072a3536d1a9e83d48288a5e641f"},"schema_version":"1.0"},"canonical_sha256":"aaea38648d60f4ab27417a4d9d8d1377889c755ff77ca4357b3164ce48a093ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:37.222845Z","signature_b64":"Pwn8yQhJqp+VUwfGstlyJM97Ouk7156F93Il1WhuarUkPuCFfUYqDxCTM0VUtEjUwFHUcFWV/Ef4+nTeAfFwBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aaea38648d60f4ab27417a4d9d8d1377889c755ff77ca4357b3164ce48a093ef","last_reissued_at":"2026-05-18T00:34:37.222278Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:37.222278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.02428","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":"2026-05-18T00:34:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TWaGtOA/jrNl2rSwSM1RtZUe24DATTB/v8d4tShVWXu6Yn5F6XEhGL42DF09PEoITNJOw9/guj2jLNrBjwT6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:23:31.676897Z"},"content_sha256":"9ffff7b51efe97f0505bb1d67839f097829e62c48427c62eb73524875c617595","schema_version":"1.0","event_id":"sha256:9ffff7b51efe97f0505bb1d67839f097829e62c48427c62eb73524875c617595"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:VLVDQZENMD2KWJ2BPJGZ3DITO6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scan-less hyperspectral dual-comb single-pixel-imaging in both amplitude and phase","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Hirotsugu Yamamoto, Kaoru Minoshima, Kyuki Shibuya, Takeo Minamikawa, Takeshi Yasui, Tetsuo Iwata, Yasuhiro Mizutani","submitted_at":"2017-05-06T02:01:58Z","abstract_excerpt":"We have developed a hyperspectral imaging scheme that involves a combination of dual-comb spectroscopy and Hadamard-transform-based single-pixel imaging. The scheme enables us to obtain 12,000 hyperspectral images of amplitude and phase at a spatial resolution of 46 um without mechanical scanning. The spectral resolution is 20 MHz, as determined by the linewidth of a single comb mode, and the spectral interval is 100 MHz over a spectral range of 1.2 THz centred at 191.5 THz. As an initial demonstration of our scheme, we obtained spectroscopic images of a standard test chart through an etalon p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02428","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":"2026-05-18T00:34:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tG12QzoZ402odt6WqM1/yi+822GaVktEohoH0cYMJJjgNZNeU0hu/+xAm8+lttyr249RhVfR7iovTo7yZM61DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T17:23:31.677629Z"},"content_sha256":"353dba50f52f453c9079d2ed6defc6022705cb448cd4d06bb8f6be293ccf4e9f","schema_version":"1.0","event_id":"sha256:353dba50f52f453c9079d2ed6defc6022705cb448cd4d06bb8f6be293ccf4e9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VLVDQZENMD2KWJ2BPJGZ3DITO6/bundle.json","state_url":"https://pith.science/pith/VLVDQZENMD2KWJ2BPJGZ3DITO6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VLVDQZENMD2KWJ2BPJGZ3DITO6/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":"2026-05-28T17:23:31Z","links":{"resolver":"https://pith.science/pith/VLVDQZENMD2KWJ2BPJGZ3DITO6","bundle":"https://pith.science/pith/VLVDQZENMD2KWJ2BPJGZ3DITO6/bundle.json","state":"https://pith.science/pith/VLVDQZENMD2KWJ2BPJGZ3DITO6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VLVDQZENMD2KWJ2BPJGZ3DITO6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VLVDQZENMD2KWJ2BPJGZ3DITO6","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":"5f8137f5b2da82a4b4c23e8dae2ed668e81f072a3536d1a9e83d48288a5e641f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-06T02:01:58Z","title_canon_sha256":"09932217884f20a3a4bc9a2b855c1f3a8a6d3c2d94a2c7f26d074541559eb807"},"schema_version":"1.0","source":{"id":"1705.02428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02428","created_at":"2026-05-18T00:34:37Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02428v1","created_at":"2026-05-18T00:34:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02428","created_at":"2026-05-18T00:34:37Z"},{"alias_kind":"pith_short_12","alias_value":"VLVDQZENMD2K","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VLVDQZENMD2KWJ2B","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VLVDQZEN","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:353dba50f52f453c9079d2ed6defc6022705cb448cd4d06bb8f6be293ccf4e9f","target":"graph","created_at":"2026-05-18T00:34:37Z","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 have developed a hyperspectral imaging scheme that involves a combination of dual-comb spectroscopy and Hadamard-transform-based single-pixel imaging. The scheme enables us to obtain 12,000 hyperspectral images of amplitude and phase at a spatial resolution of 46 um without mechanical scanning. The spectral resolution is 20 MHz, as determined by the linewidth of a single comb mode, and the spectral interval is 100 MHz over a spectral range of 1.2 THz centred at 191.5 THz. As an initial demonstration of our scheme, we obtained spectroscopic images of a standard test chart through an etalon p","authors_text":"Hirotsugu Yamamoto, Kaoru Minoshima, Kyuki Shibuya, Takeo Minamikawa, Takeshi Yasui, Tetsuo Iwata, Yasuhiro Mizutani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-06T02:01:58Z","title":"Scan-less hyperspectral dual-comb single-pixel-imaging in both amplitude and phase"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02428","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":"sha256:9ffff7b51efe97f0505bb1d67839f097829e62c48427c62eb73524875c617595","target":"record","created_at":"2026-05-18T00:34:37Z","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":"5f8137f5b2da82a4b4c23e8dae2ed668e81f072a3536d1a9e83d48288a5e641f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2017-05-06T02:01:58Z","title_canon_sha256":"09932217884f20a3a4bc9a2b855c1f3a8a6d3c2d94a2c7f26d074541559eb807"},"schema_version":"1.0","source":{"id":"1705.02428","kind":"arxiv","version":1}},"canonical_sha256":"aaea38648d60f4ab27417a4d9d8d1377889c755ff77ca4357b3164ce48a093ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aaea38648d60f4ab27417a4d9d8d1377889c755ff77ca4357b3164ce48a093ef","first_computed_at":"2026-05-18T00:34:37.222278Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:37.222278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pwn8yQhJqp+VUwfGstlyJM97Ouk7156F93Il1WhuarUkPuCFfUYqDxCTM0VUtEjUwFHUcFWV/Ef4+nTeAfFwBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:37.222845Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.02428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ffff7b51efe97f0505bb1d67839f097829e62c48427c62eb73524875c617595","sha256:353dba50f52f453c9079d2ed6defc6022705cb448cd4d06bb8f6be293ccf4e9f"],"state_sha256":"bd3c56afb2260668ea08058db8ef1880adbb6cd4b06b22cde1b8cdf21024d74e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"++b7ZGO111S9Ufh40NSis0XL6Ppdv/WhYAwUp7yZXW/QaSs0q412vraRtE4YOLm0h2op6z4QOChiEHED3L4EDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T17:23:31.681192Z","bundle_sha256":"b65974372ef58a422ca2b4fea88e9ee49b43c8bc53af81202543d73cac18587d"}}