{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:FGYHYTR3KC4ZUVWUTCZZ7HQPWZ","short_pith_number":"pith:FGYHYTR3","canonical_record":{"source":{"id":"2108.12648","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-08-28T13:47:22Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"8763ddb93cf1bafe2d206adb8c18322739b6047d6a06c30897f0e146566205e9","abstract_canon_sha256":"01a8451050d3b34e542fb627148c4b43201d708c3aa39459c6637b8c62442000"},"schema_version":"1.0"},"canonical_sha256":"29b07c4e3b50b99a56d498b39f9e0fb6467fa8aa4a12d52916265cb4f1a4bb8b","source":{"kind":"arxiv","id":"2108.12648","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.12648","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"arxiv_version","alias_value":"2108.12648v1","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.12648","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"pith_short_12","alias_value":"FGYHYTR3KC4Z","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"pith_short_16","alias_value":"FGYHYTR3KC4ZUVWU","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"pith_short_8","alias_value":"FGYHYTR3","created_at":"2026-07-05T03:09:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:FGYHYTR3KC4ZUVWUTCZZ7HQPWZ","target":"record","payload":{"canonical_record":{"source":{"id":"2108.12648","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-08-28T13:47:22Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"8763ddb93cf1bafe2d206adb8c18322739b6047d6a06c30897f0e146566205e9","abstract_canon_sha256":"01a8451050d3b34e542fb627148c4b43201d708c3aa39459c6637b8c62442000"},"schema_version":"1.0"},"canonical_sha256":"29b07c4e3b50b99a56d498b39f9e0fb6467fa8aa4a12d52916265cb4f1a4bb8b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:09:34.209566Z","signature_b64":"APa1ta66rzvh+Nkafv1JW21Sb+YssmbfT+IbLMwN9n8kbdH2vk/5Qbg3+AAR8O+crAw7aAgAnERVMOsYkIsdAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29b07c4e3b50b99a56d498b39f9e0fb6467fa8aa4a12d52916265cb4f1a4bb8b","last_reissued_at":"2026-07-05T03:09:34.209088Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:09:34.209088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.12648","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":"2026-07-05T03:09:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jTz0WibHLo53XXNtWPEKveu0qMxEHm7y2MAweH2aC82huxNSiCYXvcIQ37Inxc+dpNBzY6DZwhKw10rcTdNxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:08:52.047344Z"},"content_sha256":"dca1958b3c0a0e6dbe5ac4a6abf0be05cd05a0fbedab7de2b9ea052008505845","schema_version":"1.0","event_id":"sha256:dca1958b3c0a0e6dbe5ac4a6abf0be05cd05a0fbedab7de2b9ea052008505845"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:FGYHYTR3KC4ZUVWUTCZZ7HQPWZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy-efficient neural network inference with microcavity exciton-polaritons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"physics.optics","authors_text":"A. Opala, B. Pi\\k{e}tka, D. Ballarini, D. Sanvitto, J. Szczytko, K. Tyszka, M. Furman, M. Kr\\'ol, M. Matuszewski, R. Mirek, T.C.H. Liew","submitted_at":"2021-08-28T13:47:22Z","abstract_excerpt":"We propose all-optical neural networks characterized by very high energy efficiency and performance density of inference. We argue that the use of microcavity exciton-polaritons allows to take advantage of the properties of both photons and electrons in a seamless manner. This results in strong optical nonlinearity without the use of optoelectronic conversion. We propose a design of a realistic neural network and estimate energy cost to be at the level of attojoules per bit, also when including the optoelectronic conversion at the input and output of the network, several orders of magnitude be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.12648","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.12648/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:09:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A/DEsSa6fCmskcsxDKFc4jpgtzW3agaOeSlZpH2zC96pHvPrZ/9WcmmDieR7fL+9VnuxuUg8nQRmfrR/fXRvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:08:52.048350Z"},"content_sha256":"ef38fccccfdd7a49e021930d8fc78bb30c31614fc723d98856622be18b32580d","schema_version":"1.0","event_id":"sha256:ef38fccccfdd7a49e021930d8fc78bb30c31614fc723d98856622be18b32580d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FGYHYTR3KC4ZUVWUTCZZ7HQPWZ/bundle.json","state_url":"https://pith.science/pith/FGYHYTR3KC4ZUVWUTCZZ7HQPWZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FGYHYTR3KC4ZUVWUTCZZ7HQPWZ/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":"2026-08-06T15:08:52Z","links":{"resolver":"https://pith.science/pith/FGYHYTR3KC4ZUVWUTCZZ7HQPWZ","bundle":"https://pith.science/pith/FGYHYTR3KC4ZUVWUTCZZ7HQPWZ/bundle.json","state":"https://pith.science/pith/FGYHYTR3KC4ZUVWUTCZZ7HQPWZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FGYHYTR3KC4ZUVWUTCZZ7HQPWZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:FGYHYTR3KC4ZUVWUTCZZ7HQPWZ","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":"01a8451050d3b34e542fb627148c4b43201d708c3aa39459c6637b8c62442000","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-08-28T13:47:22Z","title_canon_sha256":"8763ddb93cf1bafe2d206adb8c18322739b6047d6a06c30897f0e146566205e9"},"schema_version":"1.0","source":{"id":"2108.12648","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.12648","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"arxiv_version","alias_value":"2108.12648v1","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.12648","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"pith_short_12","alias_value":"FGYHYTR3KC4Z","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"pith_short_16","alias_value":"FGYHYTR3KC4ZUVWU","created_at":"2026-07-05T03:09:34Z"},{"alias_kind":"pith_short_8","alias_value":"FGYHYTR3","created_at":"2026-07-05T03:09:34Z"}],"graph_snapshots":[{"event_id":"sha256:ef38fccccfdd7a49e021930d8fc78bb30c31614fc723d98856622be18b32580d","target":"graph","created_at":"2026-07-05T03:09:34Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2108.12648/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose all-optical neural networks characterized by very high energy efficiency and performance density of inference. We argue that the use of microcavity exciton-polaritons allows to take advantage of the properties of both photons and electrons in a seamless manner. This results in strong optical nonlinearity without the use of optoelectronic conversion. We propose a design of a realistic neural network and estimate energy cost to be at the level of attojoules per bit, also when including the optoelectronic conversion at the input and output of the network, several orders of magnitude be","authors_text":"A. Opala, B. Pi\\k{e}tka, D. Ballarini, D. Sanvitto, J. Szczytko, K. Tyszka, M. Furman, M. Kr\\'ol, M. Matuszewski, R. Mirek, T.C.H. Liew","cross_cats":["cs.ET"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-08-28T13:47:22Z","title":"Energy-efficient neural network inference with microcavity exciton-polaritons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.12648","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:dca1958b3c0a0e6dbe5ac4a6abf0be05cd05a0fbedab7de2b9ea052008505845","target":"record","created_at":"2026-07-05T03:09:34Z","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":"01a8451050d3b34e542fb627148c4b43201d708c3aa39459c6637b8c62442000","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2021-08-28T13:47:22Z","title_canon_sha256":"8763ddb93cf1bafe2d206adb8c18322739b6047d6a06c30897f0e146566205e9"},"schema_version":"1.0","source":{"id":"2108.12648","kind":"arxiv","version":1}},"canonical_sha256":"29b07c4e3b50b99a56d498b39f9e0fb6467fa8aa4a12d52916265cb4f1a4bb8b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29b07c4e3b50b99a56d498b39f9e0fb6467fa8aa4a12d52916265cb4f1a4bb8b","first_computed_at":"2026-07-05T03:09:34.209088Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:09:34.209088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"APa1ta66rzvh+Nkafv1JW21Sb+YssmbfT+IbLMwN9n8kbdH2vk/5Qbg3+AAR8O+crAw7aAgAnERVMOsYkIsdAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:09:34.209566Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.12648","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dca1958b3c0a0e6dbe5ac4a6abf0be05cd05a0fbedab7de2b9ea052008505845","sha256:ef38fccccfdd7a49e021930d8fc78bb30c31614fc723d98856622be18b32580d"],"state_sha256":"dd3e5aa02b3c3dd5e4df293fc3231638d4ba63f37ea9189f09076c27fb586d5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1IbIqTNHZVDb8/FZ+tXEzLS612MERpC+y1yfTpqKWmJvxMKmT5linwymY0X2ssIz0fxUHeR/iEuoCAyBTeCxCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T15:08:52.053795Z","bundle_sha256":"2c365cb4c110fa43cc24d747f3ce20e2ebe51a4ae160656bfa446ce84a67a9e4"}}