{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:DA5IZCOYXPZM462CHWVJLTCM5P","short_pith_number":"pith:DA5IZCOY","canonical_record":{"source":{"id":"2605.26860","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2026-05-26T11:19:17Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2a97eaf9d00311b7bed682f08a22918c8c2e2411a65395a60a3c7859b9e265ac","abstract_canon_sha256":"40f40082a05fb8ddf50bd8c42ebe572ba43b58b5b1af132e8df99d63483b9843"},"schema_version":"1.0"},"canonical_sha256":"183a8c89d8bbf2ce7b423daa95cc4cebd5fab2cc78ee08c7958f8da9e03037b0","source":{"kind":"arxiv","id":"2605.26860","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.26860","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"arxiv_version","alias_value":"2605.26860v1","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26860","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"pith_short_12","alias_value":"DA5IZCOYXPZM","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"pith_short_16","alias_value":"DA5IZCOYXPZM462C","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"pith_short_8","alias_value":"DA5IZCOY","created_at":"2026-05-27T01:06:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:DA5IZCOYXPZM462CHWVJLTCM5P","target":"record","payload":{"canonical_record":{"source":{"id":"2605.26860","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2026-05-26T11:19:17Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2a97eaf9d00311b7bed682f08a22918c8c2e2411a65395a60a3c7859b9e265ac","abstract_canon_sha256":"40f40082a05fb8ddf50bd8c42ebe572ba43b58b5b1af132e8df99d63483b9843"},"schema_version":"1.0"},"canonical_sha256":"183a8c89d8bbf2ce7b423daa95cc4cebd5fab2cc78ee08c7958f8da9e03037b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-27T01:06:16.044414Z","signature_b64":"vDdGIKPEtxhKBMpkKCcUZ4rZpqbOyvhslbuiI9LopwwWgj+bMZTSW33BPgWOJfXirm+6eFGzq4xKItP+d43uDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"183a8c89d8bbf2ce7b423daa95cc4cebd5fab2cc78ee08c7958f8da9e03037b0","last_reissued_at":"2026-05-27T01:06:16.043587Z","signature_status":"signed_v1","first_computed_at":"2026-05-27T01:06:16.043587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.26860","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":"2026-05-27T01:06:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uNz/rejZ75Iz0nrkcc6vqUz4ZxS5y2vjLtHL0RsxM8szM9yfNzluL13bmChPrJnITzs+F8krFOroFKvkcKBkDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:06:57.621309Z"},"content_sha256":"41c118fd751ec5c5ec421f4dd6091ebe8673aaf45b9254799935f1747e2a30ff","schema_version":"1.0","event_id":"sha256:41c118fd751ec5c5ec421f4dd6091ebe8673aaf45b9254799935f1747e2a30ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:DA5IZCOYXPZM462CHWVJLTCM5P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A High-Contrast Bragg Atom Interferometer for Testing Continuous Spontaneous Localization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Huaiyu Zhu, Ju Liu, Minkang Zhou, Qin Luo, Tao Zhang, Zhongkun Hu","submitted_at":"2026-05-26T11:19:17Z","abstract_excerpt":"The continuous spontaneous localization (CSL) model is one of the most promising approaches to address the wave function collapse problem in the measurement process of standard quantum mechanics. In this work, the effect of the CSL model on a Bragg atom interferometer was investigated. A Bragg interferometer achieving high fringe contrast of 99$\\%$ has been demonstrated, maintaining this performance level at interrogation time up to $T=60~\\mathrm{ms}$. The primary factors responsible for fringe contrast loss in the atom interferometer were systematically analyzed and corrected. This improvemen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26860","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/2605.26860/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":"2026-05-27T01:06:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BPthCqvnHn9vIl0R+DU7740lP/YQa3rXYEtectYLKYjncjZwu2cpbbsl5GzYpVW2pv1ZPLopuyR5qkkOz5ojBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:06:57.622117Z"},"content_sha256":"2d606fb2fd8d708e70036b743d63367594362cd34a3daf9f14d6ff8f0384ae0a","schema_version":"1.0","event_id":"sha256:2d606fb2fd8d708e70036b743d63367594362cd34a3daf9f14d6ff8f0384ae0a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DA5IZCOYXPZM462CHWVJLTCM5P/bundle.json","state_url":"https://pith.science/pith/DA5IZCOYXPZM462CHWVJLTCM5P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DA5IZCOYXPZM462CHWVJLTCM5P/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":"2026-05-30T18:06:57Z","links":{"resolver":"https://pith.science/pith/DA5IZCOYXPZM462CHWVJLTCM5P","bundle":"https://pith.science/pith/DA5IZCOYXPZM462CHWVJLTCM5P/bundle.json","state":"https://pith.science/pith/DA5IZCOYXPZM462CHWVJLTCM5P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DA5IZCOYXPZM462CHWVJLTCM5P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DA5IZCOYXPZM462CHWVJLTCM5P","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":"40f40082a05fb8ddf50bd8c42ebe572ba43b58b5b1af132e8df99d63483b9843","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2026-05-26T11:19:17Z","title_canon_sha256":"2a97eaf9d00311b7bed682f08a22918c8c2e2411a65395a60a3c7859b9e265ac"},"schema_version":"1.0","source":{"id":"2605.26860","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.26860","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"arxiv_version","alias_value":"2605.26860v1","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.26860","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"pith_short_12","alias_value":"DA5IZCOYXPZM","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"pith_short_16","alias_value":"DA5IZCOYXPZM462C","created_at":"2026-05-27T01:06:16Z"},{"alias_kind":"pith_short_8","alias_value":"DA5IZCOY","created_at":"2026-05-27T01:06:16Z"}],"graph_snapshots":[{"event_id":"sha256:2d606fb2fd8d708e70036b743d63367594362cd34a3daf9f14d6ff8f0384ae0a","target":"graph","created_at":"2026-05-27T01:06:16Z","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/2605.26860/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The continuous spontaneous localization (CSL) model is one of the most promising approaches to address the wave function collapse problem in the measurement process of standard quantum mechanics. In this work, the effect of the CSL model on a Bragg atom interferometer was investigated. A Bragg interferometer achieving high fringe contrast of 99$\\%$ has been demonstrated, maintaining this performance level at interrogation time up to $T=60~\\mathrm{ms}$. The primary factors responsible for fringe contrast loss in the atom interferometer were systematically analyzed and corrected. This improvemen","authors_text":"Huaiyu Zhu, Ju Liu, Minkang Zhou, Qin Luo, Tao Zhang, Zhongkun Hu","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2026-05-26T11:19:17Z","title":"A High-Contrast Bragg Atom Interferometer for Testing Continuous Spontaneous Localization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.26860","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":"sha256:41c118fd751ec5c5ec421f4dd6091ebe8673aaf45b9254799935f1747e2a30ff","target":"record","created_at":"2026-05-27T01:06:16Z","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":"40f40082a05fb8ddf50bd8c42ebe572ba43b58b5b1af132e8df99d63483b9843","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2026-05-26T11:19:17Z","title_canon_sha256":"2a97eaf9d00311b7bed682f08a22918c8c2e2411a65395a60a3c7859b9e265ac"},"schema_version":"1.0","source":{"id":"2605.26860","kind":"arxiv","version":1}},"canonical_sha256":"183a8c89d8bbf2ce7b423daa95cc4cebd5fab2cc78ee08c7958f8da9e03037b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"183a8c89d8bbf2ce7b423daa95cc4cebd5fab2cc78ee08c7958f8da9e03037b0","first_computed_at":"2026-05-27T01:06:16.043587Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-27T01:06:16.043587Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vDdGIKPEtxhKBMpkKCcUZ4rZpqbOyvhslbuiI9LopwwWgj+bMZTSW33BPgWOJfXirm+6eFGzq4xKItP+d43uDA==","signature_status":"signed_v1","signed_at":"2026-05-27T01:06:16.044414Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.26860","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41c118fd751ec5c5ec421f4dd6091ebe8673aaf45b9254799935f1747e2a30ff","sha256:2d606fb2fd8d708e70036b743d63367594362cd34a3daf9f14d6ff8f0384ae0a"],"state_sha256":"b5cff60864c83e8eab0cd02878c1bc152c6a5137edd28773cc6aeb987737eb29"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T6E/e7Z8gp7lxWiPRy41VLp8K76jm1kaf3FODlKINdMriNO0Cr29hVRhwNlDGXJdf1DxDzj9FhoKGG8q+SzdCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T18:06:57.625806Z","bundle_sha256":"43090a1d7a4ff6c6481d0d89f7903caac493b4e717adce676216e00bd7d10fa1"}}