{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:622PU4GHWPIQJRTEQM7HHIQO7R","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":"af4dac1157634283c9527239607525a84600651ab193ebef38b5519a453881ed","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-08T21:24:10Z","title_canon_sha256":"9cfee8c77991583ee47d1aec0301bd26dfbb55e7e894888de0978acc22087905"},"schema_version":"1.0","source":{"id":"2501.04849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.04849","created_at":"2026-07-05T09:58:47Z"},{"alias_kind":"arxiv_version","alias_value":"2501.04849v1","created_at":"2026-07-05T09:58:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.04849","created_at":"2026-07-05T09:58:47Z"},{"alias_kind":"pith_short_12","alias_value":"622PU4GHWPIQ","created_at":"2026-07-05T09:58:47Z"},{"alias_kind":"pith_short_16","alias_value":"622PU4GHWPIQJRTE","created_at":"2026-07-05T09:58:47Z"},{"alias_kind":"pith_short_8","alias_value":"622PU4GH","created_at":"2026-07-05T09:58:47Z"}],"graph_snapshots":[{"event_id":"sha256:5330a7a4c832103c84535c17c43127418e22a7cdb9e483e344fe8cb7f7f780ce","target":"graph","created_at":"2026-07-05T09:58:47Z","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/2501.04849/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent works we have explored a multi-photon extension of the celebrated two-photon Hong-Ou-Mandel (HOM) effect in which the quantum amplitudes for a two-photon input to a lossless, balanced 50:50 beamsplitter (BS) undergoes complete destructive interference. In the extended Hong-Ou-Mandel (eHOM) effect the multi-photon scattering of photons from the two input ports to the two output ports of the BS for Fock number basis input states (FS) $|n,m\\rangle_{12}$ exhibit complete destructive interference pairwise within the quantum amplitudes containing many scattering components, generalizing th","authors_text":"Paul M. Alsing, Richard J. Birrittella","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-08T21:24:10Z","title":"An examination of the extended Hong-Ou-Mandel effect and considerations for experimental detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.04849","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":"sha256:2c60f75e36c6690b9a5c5ad3ade10c5461515fe9fda9c58dc7789075cbef7d5a","target":"record","created_at":"2026-07-05T09:58:47Z","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":"af4dac1157634283c9527239607525a84600651ab193ebef38b5519a453881ed","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2025-01-08T21:24:10Z","title_canon_sha256":"9cfee8c77991583ee47d1aec0301bd26dfbb55e7e894888de0978acc22087905"},"schema_version":"1.0","source":{"id":"2501.04849","kind":"arxiv","version":1}},"canonical_sha256":"f6b4fa70c7b3d104c664833e73a20efc6f9e3402610d2f7817d88741efbc3f5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6b4fa70c7b3d104c664833e73a20efc6f9e3402610d2f7817d88741efbc3f5d","first_computed_at":"2026-07-05T09:58:47.435001Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:58:47.435001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U8cgeIvWPqv7qVBtRQSIOu3pWye1thAQEM2FUieZLjTWPI8y9YPbSnADlmgplDEOTmrX6ziTtlXTD0janNhiCA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:58:47.435527Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.04849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c60f75e36c6690b9a5c5ad3ade10c5461515fe9fda9c58dc7789075cbef7d5a","sha256:5330a7a4c832103c84535c17c43127418e22a7cdb9e483e344fe8cb7f7f780ce"],"state_sha256":"e99248453ff32192120663d82d4074921dfa8e487ff9c64edb130eead1b450e0"}