{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:T2NHYKAQMZO47TXEPQS5UU5DPT","short_pith_number":"pith:T2NHYKAQ","canonical_record":{"source":{"id":"1810.08601","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-19T17:54:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea4d52066df149daa1c7e095a5a3cb759b2c3d6f22199ae6533f93ad646c7cb0","abstract_canon_sha256":"bf9126282942b11f05e456a1ed83de51bd1e2659d4cfbb7837e22a530c952537"},"schema_version":"1.0"},"canonical_sha256":"9e9a7c2810665dcfcee47c25da53a37ccaf7ec315a013b13c196f111bc7908b7","source":{"kind":"arxiv","id":"1810.08601","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.08601","created_at":"2026-05-17T23:57:38Z"},{"alias_kind":"arxiv_version","alias_value":"1810.08601v1","created_at":"2026-05-17T23:57:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.08601","created_at":"2026-05-17T23:57:38Z"},{"alias_kind":"pith_short_12","alias_value":"T2NHYKAQMZO4","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T2NHYKAQMZO47TXE","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T2NHYKAQ","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:T2NHYKAQMZO47TXEPQS5UU5DPT","target":"record","payload":{"canonical_record":{"source":{"id":"1810.08601","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-19T17:54:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea4d52066df149daa1c7e095a5a3cb759b2c3d6f22199ae6533f93ad646c7cb0","abstract_canon_sha256":"bf9126282942b11f05e456a1ed83de51bd1e2659d4cfbb7837e22a530c952537"},"schema_version":"1.0"},"canonical_sha256":"9e9a7c2810665dcfcee47c25da53a37ccaf7ec315a013b13c196f111bc7908b7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:38.088534Z","signature_b64":"lPgsQ6S0lXOBFmemHW4AEG1WnJASg8pqenNdU7FyYRoVFw7Qa5FxnqZQTuqFu5l89c25us5xbRvj4mT1+MHyDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e9a7c2810665dcfcee47c25da53a37ccaf7ec315a013b13c196f111bc7908b7","last_reissued_at":"2026-05-17T23:57:38.088132Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:38.088132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.08601","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":"2026-05-17T23:57:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/VbcV3Y/VKJaZ2jdIcwyDGjof128w//QFdooWVsF4vjnfhVTKXjyB9OLTamTxcfDDGmxaoC5gv8++LH6qgm/CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T19:24:39.774146Z"},"content_sha256":"6497d95045fb19e40873c177357e7a3287e9093349055c4a988f7c1614bcdbf6","schema_version":"1.0","event_id":"sha256:6497d95045fb19e40873c177357e7a3287e9093349055c4a988f7c1614bcdbf6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:T2NHYKAQMZO47TXEPQS5UU5DPT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mid-to-far infrared tunable perfect absorption by a sub - \\lambda/100 nanofilm in a fractal phasor resonant cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Bel\\'en Mat\\'e, Johann Toudert, Marina Garc\\'ia Pardo, Nicolas Ramos, Ram\\'on J. Pel\\'aez, Rosalia Serna","submitted_at":"2018-10-19T17:54:49Z","abstract_excerpt":"Integrating an absorbing thin film into a resonant cavity is the most practical way to achieve perfect absorption of light at a selected wavelength in the mid-to-far infrared, as required to target blackbody radiation or molecular fingerprints. The cavity is designed to resonate and enable perfect absorption in the film at the chosen wavelength \\lambda. However, in current state-of-the-art designs, a still large absorbing film thickness (\\lambda/50) is needed and tuning the perfect absorption wavelength over a broad range requires changing the cavity materials. Here, we introduce a new resonan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.08601","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":"2026-05-17T23:57:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ey4XuLgCpCR7f1R0wyxjn8+S6ltQuPNjtJ5k3mEM+v4yBrsqOAKtKhQQszFmomR7OkI8TuZkT88wMf5X3PUHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T19:24:39.774511Z"},"content_sha256":"3cd290e6a81a235716a59fc0fc95c5d8b175fe0e32b9a6a7dfe8f478ae40b7b7","schema_version":"1.0","event_id":"sha256:3cd290e6a81a235716a59fc0fc95c5d8b175fe0e32b9a6a7dfe8f478ae40b7b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T2NHYKAQMZO47TXEPQS5UU5DPT/bundle.json","state_url":"https://pith.science/pith/T2NHYKAQMZO47TXEPQS5UU5DPT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T2NHYKAQMZO47TXEPQS5UU5DPT/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":"2026-06-24T19:24:39Z","links":{"resolver":"https://pith.science/pith/T2NHYKAQMZO47TXEPQS5UU5DPT","bundle":"https://pith.science/pith/T2NHYKAQMZO47TXEPQS5UU5DPT/bundle.json","state":"https://pith.science/pith/T2NHYKAQMZO47TXEPQS5UU5DPT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T2NHYKAQMZO47TXEPQS5UU5DPT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:T2NHYKAQMZO47TXEPQS5UU5DPT","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":"bf9126282942b11f05e456a1ed83de51bd1e2659d4cfbb7837e22a530c952537","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-19T17:54:49Z","title_canon_sha256":"ea4d52066df149daa1c7e095a5a3cb759b2c3d6f22199ae6533f93ad646c7cb0"},"schema_version":"1.0","source":{"id":"1810.08601","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.08601","created_at":"2026-05-17T23:57:38Z"},{"alias_kind":"arxiv_version","alias_value":"1810.08601v1","created_at":"2026-05-17T23:57:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.08601","created_at":"2026-05-17T23:57:38Z"},{"alias_kind":"pith_short_12","alias_value":"T2NHYKAQMZO4","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T2NHYKAQMZO47TXE","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T2NHYKAQ","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:3cd290e6a81a235716a59fc0fc95c5d8b175fe0e32b9a6a7dfe8f478ae40b7b7","target":"graph","created_at":"2026-05-17T23:57:38Z","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":"Integrating an absorbing thin film into a resonant cavity is the most practical way to achieve perfect absorption of light at a selected wavelength in the mid-to-far infrared, as required to target blackbody radiation or molecular fingerprints. The cavity is designed to resonate and enable perfect absorption in the film at the chosen wavelength \\lambda. However, in current state-of-the-art designs, a still large absorbing film thickness (\\lambda/50) is needed and tuning the perfect absorption wavelength over a broad range requires changing the cavity materials. Here, we introduce a new resonan","authors_text":"Bel\\'en Mat\\'e, Johann Toudert, Marina Garc\\'ia Pardo, Nicolas Ramos, Ram\\'on J. Pel\\'aez, Rosalia Serna","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-19T17:54:49Z","title":"Mid-to-far infrared tunable perfect absorption by a sub - \\lambda/100 nanofilm in a fractal phasor resonant cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.08601","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":"sha256:6497d95045fb19e40873c177357e7a3287e9093349055c4a988f7c1614bcdbf6","target":"record","created_at":"2026-05-17T23:57:38Z","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":"bf9126282942b11f05e456a1ed83de51bd1e2659d4cfbb7837e22a530c952537","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-10-19T17:54:49Z","title_canon_sha256":"ea4d52066df149daa1c7e095a5a3cb759b2c3d6f22199ae6533f93ad646c7cb0"},"schema_version":"1.0","source":{"id":"1810.08601","kind":"arxiv","version":1}},"canonical_sha256":"9e9a7c2810665dcfcee47c25da53a37ccaf7ec315a013b13c196f111bc7908b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e9a7c2810665dcfcee47c25da53a37ccaf7ec315a013b13c196f111bc7908b7","first_computed_at":"2026-05-17T23:57:38.088132Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:38.088132Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lPgsQ6S0lXOBFmemHW4AEG1WnJASg8pqenNdU7FyYRoVFw7Qa5FxnqZQTuqFu5l89c25us5xbRvj4mT1+MHyDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:38.088534Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.08601","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6497d95045fb19e40873c177357e7a3287e9093349055c4a988f7c1614bcdbf6","sha256:3cd290e6a81a235716a59fc0fc95c5d8b175fe0e32b9a6a7dfe8f478ae40b7b7"],"state_sha256":"4dc6b28720b2c766aa7b6138aa927cf6508b5ce66fe1bf3ebf8e9859fe8e3eb5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KGaDYegukKTVvAGgxbDgPV2mAeo72W/OdHFLC3liBjaT4lkFrvne+hpWyGrjbqq06txrtcOp8PUW4fIM5bi/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T19:24:39.776366Z","bundle_sha256":"b5e0ea2af5a294e908e9819c5bebe5f3d2a0d9188d5427606c511f645a0bf017"}}