{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6WQ5FHWAGZOGBZN5UN237NST4E","short_pith_number":"pith:6WQ5FHWA","canonical_record":{"source":{"id":"2606.18991","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T12:12:28Z","cross_cats_sorted":[],"title_canon_sha256":"8f64f8fd21eb29be4ed41c1c68b4f4241e35d6f14ae6eb636b511b0a6cc473f6","abstract_canon_sha256":"86427fd2a0cac27c57e09961f907c52f9af8c14e6752639525ae85d583eea873"},"schema_version":"1.0"},"canonical_sha256":"f5a1d29ec0365c60e5bda375bfb653e1334e76d65f226c18a5604d36255c70c2","source":{"kind":"arxiv","id":"2606.18991","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18991","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18991v1","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18991","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"pith_short_12","alias_value":"6WQ5FHWAGZOG","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"pith_short_16","alias_value":"6WQ5FHWAGZOGBZN5","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"pith_short_8","alias_value":"6WQ5FHWA","created_at":"2026-06-19T16:11:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6WQ5FHWAGZOGBZN5UN237NST4E","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18991","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T12:12:28Z","cross_cats_sorted":[],"title_canon_sha256":"8f64f8fd21eb29be4ed41c1c68b4f4241e35d6f14ae6eb636b511b0a6cc473f6","abstract_canon_sha256":"86427fd2a0cac27c57e09961f907c52f9af8c14e6752639525ae85d583eea873"},"schema_version":"1.0"},"canonical_sha256":"f5a1d29ec0365c60e5bda375bfb653e1334e76d65f226c18a5604d36255c70c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:53.979464Z","signature_b64":"OBYbmPE2lvtf7bzeoa8T0OEvvwmeAaD2rSGcDI1aS1qyoopY+Z89mDGGv9V1LR+fhY8E/gW/UWNVWpT8umosBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5a1d29ec0365c60e5bda375bfb653e1334e76d65f226c18a5604d36255c70c2","last_reissued_at":"2026-06-19T16:11:53.979081Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:53.979081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18991","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":"2026-06-19T16:11:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f3tvFsm46zspbBgb8tJQC7zJlgO3CkRgk7pv6CEtb1IiJjl66BLQ5oRbtgeZXjIn4HM+HTpT4Q47LrHfDrQECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T10:04:58.970497Z"},"content_sha256":"e655240573ec95ebc1fcab43d2d8d96055a246551b069b8973b52d625fb32c5e","schema_version":"1.0","event_id":"sha256:e655240573ec95ebc1fcab43d2d8d96055a246551b069b8973b52d625fb32c5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6WQ5FHWAGZOGBZN5UN237NST4E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement-enabled online quantum processing with amplitude encoding","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Giacomo Franceschetto, Pere Mujal, Rodrigo Mart\\'inez-Pe\\~na","submitted_at":"2026-06-17T12:12:28Z","abstract_excerpt":"We introduce a quantum reservoir computing online protocol that realizes amplitude encoding on quantum hardware. Our scheme combines mid-circuit measurement and reset operations to implement the partial-trace dynamics underlying amplitude encoding, while an indirect measurement scheme provides access to reservoir observables without interrupting temporal processing. In contrast to other approaches, our method preserves online operation, avoids input buffering, and keeps the runtime linear in the number of time steps. We present the theoretical formulation of the protocol and a proof-of-princip"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18991","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/2606.18991/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":"2026-06-19T16:11:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J0qxYcfyedAlrNl9Nq2Fiu3w61eSBYfH0p9yZuFJqPLfFv63PRZEifAhuWp83J5fOTIBQcowDYcYakLkWnzsCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T10:04:58.970875Z"},"content_sha256":"58666bb7c7c46be5cfee5da5dd54fae788896ad0839142fc0742f286fd8e7e27","schema_version":"1.0","event_id":"sha256:58666bb7c7c46be5cfee5da5dd54fae788896ad0839142fc0742f286fd8e7e27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6WQ5FHWAGZOGBZN5UN237NST4E/bundle.json","state_url":"https://pith.science/pith/6WQ5FHWAGZOGBZN5UN237NST4E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6WQ5FHWAGZOGBZN5UN237NST4E/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":"2026-06-20T10:04:58Z","links":{"resolver":"https://pith.science/pith/6WQ5FHWAGZOGBZN5UN237NST4E","bundle":"https://pith.science/pith/6WQ5FHWAGZOGBZN5UN237NST4E/bundle.json","state":"https://pith.science/pith/6WQ5FHWAGZOGBZN5UN237NST4E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6WQ5FHWAGZOGBZN5UN237NST4E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6WQ5FHWAGZOGBZN5UN237NST4E","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":"86427fd2a0cac27c57e09961f907c52f9af8c14e6752639525ae85d583eea873","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T12:12:28Z","title_canon_sha256":"8f64f8fd21eb29be4ed41c1c68b4f4241e35d6f14ae6eb636b511b0a6cc473f6"},"schema_version":"1.0","source":{"id":"2606.18991","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18991","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18991v1","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18991","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"pith_short_12","alias_value":"6WQ5FHWAGZOG","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"pith_short_16","alias_value":"6WQ5FHWAGZOGBZN5","created_at":"2026-06-19T16:11:53Z"},{"alias_kind":"pith_short_8","alias_value":"6WQ5FHWA","created_at":"2026-06-19T16:11:53Z"}],"graph_snapshots":[{"event_id":"sha256:58666bb7c7c46be5cfee5da5dd54fae788896ad0839142fc0742f286fd8e7e27","target":"graph","created_at":"2026-06-19T16:11:53Z","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/2606.18991/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a quantum reservoir computing online protocol that realizes amplitude encoding on quantum hardware. Our scheme combines mid-circuit measurement and reset operations to implement the partial-trace dynamics underlying amplitude encoding, while an indirect measurement scheme provides access to reservoir observables without interrupting temporal processing. In contrast to other approaches, our method preserves online operation, avoids input buffering, and keeps the runtime linear in the number of time steps. We present the theoretical formulation of the protocol and a proof-of-princip","authors_text":"Giacomo Franceschetto, Pere Mujal, Rodrigo Mart\\'inez-Pe\\~na","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T12:12:28Z","title":"Measurement-enabled online quantum processing with amplitude encoding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18991","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:e655240573ec95ebc1fcab43d2d8d96055a246551b069b8973b52d625fb32c5e","target":"record","created_at":"2026-06-19T16:11:53Z","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":"86427fd2a0cac27c57e09961f907c52f9af8c14e6752639525ae85d583eea873","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T12:12:28Z","title_canon_sha256":"8f64f8fd21eb29be4ed41c1c68b4f4241e35d6f14ae6eb636b511b0a6cc473f6"},"schema_version":"1.0","source":{"id":"2606.18991","kind":"arxiv","version":1}},"canonical_sha256":"f5a1d29ec0365c60e5bda375bfb653e1334e76d65f226c18a5604d36255c70c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5a1d29ec0365c60e5bda375bfb653e1334e76d65f226c18a5604d36255c70c2","first_computed_at":"2026-06-19T16:11:53.979081Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:11:53.979081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OBYbmPE2lvtf7bzeoa8T0OEvvwmeAaD2rSGcDI1aS1qyoopY+Z89mDGGv9V1LR+fhY8E/gW/UWNVWpT8umosBg==","signature_status":"signed_v1","signed_at":"2026-06-19T16:11:53.979464Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18991","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e655240573ec95ebc1fcab43d2d8d96055a246551b069b8973b52d625fb32c5e","sha256:58666bb7c7c46be5cfee5da5dd54fae788896ad0839142fc0742f286fd8e7e27"],"state_sha256":"ffaaa6f2ed7a8864f378e1c0274be566e8cede0f8d4c25c4150fc1bba799c0ab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wFCF8ALl8lfHn7wS14cAxVbgCmdoOxy/50mriq8a0+8GK9krI6Ra6UYcMSYydolzHMFNcvQU2BchbC8WfvmzCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T10:04:58.972835Z","bundle_sha256":"d98cf83a37f7a3a77f086b9c22bd1c9f97e09f67d83cd169cfdec356e70d3160"}}