{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:CP6WJBV3RCBHGFLWOCDEOHYHBS","short_pith_number":"pith:CP6WJBV3","canonical_record":{"source":{"id":"1206.1316","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-06T19:51:43Z","cross_cats_sorted":[],"title_canon_sha256":"629d41de18e08f434887f41eb0bd5122aab5cead38c33ef9f22a9dc947dfecdb","abstract_canon_sha256":"5600ba8daa86667c7b296ca373519e4666bcd3898ac0c9bc726fef56770e5a7a"},"schema_version":"1.0"},"canonical_sha256":"13fd6486bb88827315767086471f070c8c2e13e39d7b87a890a5a66c91a7bebe","source":{"kind":"arxiv","id":"1206.1316","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1316","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1316v1","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1316","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"CP6WJBV3RCBH","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CP6WJBV3RCBHGFLW","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CP6WJBV3","created_at":"2026-05-18T12:27:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:CP6WJBV3RCBHGFLWOCDEOHYHBS","target":"record","payload":{"canonical_record":{"source":{"id":"1206.1316","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-06T19:51:43Z","cross_cats_sorted":[],"title_canon_sha256":"629d41de18e08f434887f41eb0bd5122aab5cead38c33ef9f22a9dc947dfecdb","abstract_canon_sha256":"5600ba8daa86667c7b296ca373519e4666bcd3898ac0c9bc726fef56770e5a7a"},"schema_version":"1.0"},"canonical_sha256":"13fd6486bb88827315767086471f070c8c2e13e39d7b87a890a5a66c91a7bebe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:06.945758Z","signature_b64":"oP7vZ/AwaXTL/KXMbUtavWEOxquEif1OtEnwQ5cs1aoLIGvxcRjidhmENtc6v9jEHn4cF/8/nzjT+WSLSx9dDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13fd6486bb88827315767086471f070c8c2e13e39d7b87a890a5a66c91a7bebe","last_reissued_at":"2026-05-18T01:57:06.945131Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:06.945131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.1316","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":"2026-05-18T01:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VVFEpIEKGccPsLoM6LA8EYmNEqJGDIE58lchmKAUbNMVZwiXliGq9Q4H4U3njSgGDRfcVAhNtwineKpC7SF9DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:26:57.591080Z"},"content_sha256":"34042f7a16458ab5bbb13afa79d15a483fa258c5a874815326df913e7f5ccbf8","schema_version":"1.0","event_id":"sha256:34042f7a16458ab5bbb13afa79d15a483fa258c5a874815326df913e7f5ccbf8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:CP6WJBV3RCBHGFLWOCDEOHYHBS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mid-infrared VIPA Spectrometer for Rapid and Broadband Trace Gas Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Adam J. Fleisher, Bryce Bjork, Florian Adler, Jun Ye, Kevin C. Cossel, Lora Nugent-Glandorf, Scott A. Diddams, Tim Dinneen, Tyler Neely","submitted_at":"2012-06-06T19:51:43Z","abstract_excerpt":"We present and characterize a 2-D imaging spectrometer based on a virtually-imaged phased array (VIPA) disperser for rapid, high-resolution molecular detection using mid-infrared (MIR) frequency combs at 3.1 and 3.8 \\mu m. We demonstrate detection of CH4 at 3.1 \\mu m with >3750 resolution elements spanning >80 nm with ~600 MHz resolution in a <10 \\mu s acquisition time. In addition to broadband detection, rapid, time-resolved single-image detection is demonstrated by capturing dynamic concentration changes of CH4 at a rate of ~375 frames per second. Changes in absorption above the noise floor "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1316","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":"2026-05-18T01:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dkuYv0QYECYBXUE32jMpuNA3ofe6QXEXQ54gLJa+m2wDd1dDB+vG2je3i++S6AMa4meJ4R/0UvYRc7a03hNyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:26:57.591449Z"},"content_sha256":"c20a5ddf69aa7c0cac851d52d1fb2374b12bb988e749cb78c20262500a1f7efb","schema_version":"1.0","event_id":"sha256:c20a5ddf69aa7c0cac851d52d1fb2374b12bb988e749cb78c20262500a1f7efb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CP6WJBV3RCBHGFLWOCDEOHYHBS/bundle.json","state_url":"https://pith.science/pith/CP6WJBV3RCBHGFLWOCDEOHYHBS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CP6WJBV3RCBHGFLWOCDEOHYHBS/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":"2026-06-02T05:26:57Z","links":{"resolver":"https://pith.science/pith/CP6WJBV3RCBHGFLWOCDEOHYHBS","bundle":"https://pith.science/pith/CP6WJBV3RCBHGFLWOCDEOHYHBS/bundle.json","state":"https://pith.science/pith/CP6WJBV3RCBHGFLWOCDEOHYHBS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CP6WJBV3RCBHGFLWOCDEOHYHBS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:CP6WJBV3RCBHGFLWOCDEOHYHBS","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":"5600ba8daa86667c7b296ca373519e4666bcd3898ac0c9bc726fef56770e5a7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-06T19:51:43Z","title_canon_sha256":"629d41de18e08f434887f41eb0bd5122aab5cead38c33ef9f22a9dc947dfecdb"},"schema_version":"1.0","source":{"id":"1206.1316","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.1316","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"1206.1316v1","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.1316","created_at":"2026-05-18T01:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"CP6WJBV3RCBH","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_16","alias_value":"CP6WJBV3RCBHGFLW","created_at":"2026-05-18T12:27:01Z"},{"alias_kind":"pith_short_8","alias_value":"CP6WJBV3","created_at":"2026-05-18T12:27:01Z"}],"graph_snapshots":[{"event_id":"sha256:c20a5ddf69aa7c0cac851d52d1fb2374b12bb988e749cb78c20262500a1f7efb","target":"graph","created_at":"2026-05-18T01:57:06Z","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 present and characterize a 2-D imaging spectrometer based on a virtually-imaged phased array (VIPA) disperser for rapid, high-resolution molecular detection using mid-infrared (MIR) frequency combs at 3.1 and 3.8 \\mu m. We demonstrate detection of CH4 at 3.1 \\mu m with >3750 resolution elements spanning >80 nm with ~600 MHz resolution in a <10 \\mu s acquisition time. In addition to broadband detection, rapid, time-resolved single-image detection is demonstrated by capturing dynamic concentration changes of CH4 at a rate of ~375 frames per second. Changes in absorption above the noise floor ","authors_text":"Adam J. Fleisher, Bryce Bjork, Florian Adler, Jun Ye, Kevin C. Cossel, Lora Nugent-Glandorf, Scott A. Diddams, Tim Dinneen, Tyler Neely","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-06T19:51:43Z","title":"Mid-infrared VIPA Spectrometer for Rapid and Broadband Trace Gas Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.1316","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":"sha256:34042f7a16458ab5bbb13afa79d15a483fa258c5a874815326df913e7f5ccbf8","target":"record","created_at":"2026-05-18T01:57:06Z","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":"5600ba8daa86667c7b296ca373519e4666bcd3898ac0c9bc726fef56770e5a7a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2012-06-06T19:51:43Z","title_canon_sha256":"629d41de18e08f434887f41eb0bd5122aab5cead38c33ef9f22a9dc947dfecdb"},"schema_version":"1.0","source":{"id":"1206.1316","kind":"arxiv","version":1}},"canonical_sha256":"13fd6486bb88827315767086471f070c8c2e13e39d7b87a890a5a66c91a7bebe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13fd6486bb88827315767086471f070c8c2e13e39d7b87a890a5a66c91a7bebe","first_computed_at":"2026-05-18T01:57:06.945131Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:06.945131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oP7vZ/AwaXTL/KXMbUtavWEOxquEif1OtEnwQ5cs1aoLIGvxcRjidhmENtc6v9jEHn4cF/8/nzjT+WSLSx9dDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:06.945758Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.1316","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34042f7a16458ab5bbb13afa79d15a483fa258c5a874815326df913e7f5ccbf8","sha256:c20a5ddf69aa7c0cac851d52d1fb2374b12bb988e749cb78c20262500a1f7efb"],"state_sha256":"a7b030381365f95a69435b9f2d22142ecfab42741a3c254129af3d381ab47021"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ak0SljjWI4PirgYTqgk0lZnT9j/ypXHc3xoV8QWyMjzEa5VaB1QTmsubwDLQosdVwXX2upJC4VoQT6B14oN4Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:26:57.593652Z","bundle_sha256":"ae7bbae3a5df58aa9d0e422333bb2fd74ba5aa49ab308ee502cd9f078a2e787f"}}