{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:N6XSAEBA5DFE7PZ4VPWOMZQKOM","short_pith_number":"pith:N6XSAEBA","canonical_record":{"source":{"id":"1812.03986","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-08T17:32:23Z","cross_cats_sorted":[],"title_canon_sha256":"c3d2888e4e7cb9343cca284c1dcb5ebdde8d57d945e40462374537ac6ad849a7","abstract_canon_sha256":"d914942711cc5be3b5271909334d264b792de589a0ffa784753b8925bbaa7641"},"schema_version":"1.0"},"canonical_sha256":"6faf201020e8ca4fbf3cabece6660a7333936d65aa3527ab761f39ec3ecbc8a4","source":{"kind":"arxiv","id":"1812.03986","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.03986","created_at":"2026-05-17T23:58:43Z"},{"alias_kind":"arxiv_version","alias_value":"1812.03986v1","created_at":"2026-05-17T23:58:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.03986","created_at":"2026-05-17T23:58:43Z"},{"alias_kind":"pith_short_12","alias_value":"N6XSAEBA5DFE","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"N6XSAEBA5DFE7PZ4","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"N6XSAEBA","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:N6XSAEBA5DFE7PZ4VPWOMZQKOM","target":"record","payload":{"canonical_record":{"source":{"id":"1812.03986","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-08T17:32:23Z","cross_cats_sorted":[],"title_canon_sha256":"c3d2888e4e7cb9343cca284c1dcb5ebdde8d57d945e40462374537ac6ad849a7","abstract_canon_sha256":"d914942711cc5be3b5271909334d264b792de589a0ffa784753b8925bbaa7641"},"schema_version":"1.0"},"canonical_sha256":"6faf201020e8ca4fbf3cabece6660a7333936d65aa3527ab761f39ec3ecbc8a4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:43.184633Z","signature_b64":"YexxWJobXZe/DOLFU1dfp6HTI0d57/YZBR0GgQl2ZIE3uzL0RHdXa10+KHCbYonngDOCEFUi9Io0C72kKqnvAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6faf201020e8ca4fbf3cabece6660a7333936d65aa3527ab761f39ec3ecbc8a4","last_reissued_at":"2026-05-17T23:58:43.184120Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:43.184120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.03986","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":"2026-05-17T23:58:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EGliuVZ6WjN/KbNqxRCrxf2WPcLO17m1RXQ02xewmsBNEyEtsFQczbeOz5q4M36hW1j71GZfOIWI9tnN5HZJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T22:25:29.833155Z"},"content_sha256":"2fe1f1d4618d270f43b74bf9699a00e27d423c461a388ea19f39db89c0b51350","schema_version":"1.0","event_id":"sha256:2fe1f1d4618d270f43b74bf9699a00e27d423c461a388ea19f39db89c0b51350"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:N6XSAEBA5DFE7PZ4VPWOMZQKOM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Novel Concept for a Neutron Electric Charge Measurement using a Talbot-Lau Interferometer at a Pulsed Source","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Florian M. Piegsa","submitted_at":"2018-12-08T17:32:23Z","abstract_excerpt":"A concept to measure the neutron electric charge is presented which employs a precision Talbot-Lau interferometer in a high-intensity pulsed neutron beam. It is demonstrated that the sensitivity for a neutron charge measurement can be improved by up to two orders of magnitude compared to the current best direct experimental limit."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.03986","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":"2026-05-17T23:58:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IcfGU9chcejnZFw51sVDgVwjBjFIar3wskZDp8AmHjGhSvgxxcxqKsqaxLRjWmyTfqdCU3tp127xONCwR+fMCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T22:25:29.835334Z"},"content_sha256":"a79dfb4674229087348f35a5d199c79073f9fea8eea4bb56b6fdfdafed5d3175","schema_version":"1.0","event_id":"sha256:a79dfb4674229087348f35a5d199c79073f9fea8eea4bb56b6fdfdafed5d3175"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N6XSAEBA5DFE7PZ4VPWOMZQKOM/bundle.json","state_url":"https://pith.science/pith/N6XSAEBA5DFE7PZ4VPWOMZQKOM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N6XSAEBA5DFE7PZ4VPWOMZQKOM/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":"2026-08-20T22:25:29Z","links":{"resolver":"https://pith.science/pith/N6XSAEBA5DFE7PZ4VPWOMZQKOM","bundle":"https://pith.science/pith/N6XSAEBA5DFE7PZ4VPWOMZQKOM/bundle.json","state":"https://pith.science/pith/N6XSAEBA5DFE7PZ4VPWOMZQKOM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N6XSAEBA5DFE7PZ4VPWOMZQKOM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:N6XSAEBA5DFE7PZ4VPWOMZQKOM","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":"d914942711cc5be3b5271909334d264b792de589a0ffa784753b8925bbaa7641","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-08T17:32:23Z","title_canon_sha256":"c3d2888e4e7cb9343cca284c1dcb5ebdde8d57d945e40462374537ac6ad849a7"},"schema_version":"1.0","source":{"id":"1812.03986","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.03986","created_at":"2026-05-17T23:58:43Z"},{"alias_kind":"arxiv_version","alias_value":"1812.03986v1","created_at":"2026-05-17T23:58:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.03986","created_at":"2026-05-17T23:58:43Z"},{"alias_kind":"pith_short_12","alias_value":"N6XSAEBA5DFE","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"N6XSAEBA5DFE7PZ4","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"N6XSAEBA","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:a79dfb4674229087348f35a5d199c79073f9fea8eea4bb56b6fdfdafed5d3175","target":"graph","created_at":"2026-05-17T23:58:43Z","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":"A concept to measure the neutron electric charge is presented which employs a precision Talbot-Lau interferometer in a high-intensity pulsed neutron beam. It is demonstrated that the sensitivity for a neutron charge measurement can be improved by up to two orders of magnitude compared to the current best direct experimental limit.","authors_text":"Florian M. Piegsa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-08T17:32:23Z","title":"Novel Concept for a Neutron Electric Charge Measurement using a Talbot-Lau Interferometer at a Pulsed Source"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.03986","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":"sha256:2fe1f1d4618d270f43b74bf9699a00e27d423c461a388ea19f39db89c0b51350","target":"record","created_at":"2026-05-17T23:58:43Z","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":"d914942711cc5be3b5271909334d264b792de589a0ffa784753b8925bbaa7641","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-12-08T17:32:23Z","title_canon_sha256":"c3d2888e4e7cb9343cca284c1dcb5ebdde8d57d945e40462374537ac6ad849a7"},"schema_version":"1.0","source":{"id":"1812.03986","kind":"arxiv","version":1}},"canonical_sha256":"6faf201020e8ca4fbf3cabece6660a7333936d65aa3527ab761f39ec3ecbc8a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6faf201020e8ca4fbf3cabece6660a7333936d65aa3527ab761f39ec3ecbc8a4","first_computed_at":"2026-05-17T23:58:43.184120Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:43.184120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YexxWJobXZe/DOLFU1dfp6HTI0d57/YZBR0GgQl2ZIE3uzL0RHdXa10+KHCbYonngDOCEFUi9Io0C72kKqnvAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:43.184633Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.03986","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2fe1f1d4618d270f43b74bf9699a00e27d423c461a388ea19f39db89c0b51350","sha256:a79dfb4674229087348f35a5d199c79073f9fea8eea4bb56b6fdfdafed5d3175"],"state_sha256":"3b34c17cc07c097450e41469bd67fc913ca541c6d5551572971683a6a3235d6e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9qAuJRIFgl7X6gJlADcBjzWQelRMiAwsyIKUWBpVaQ9AnZeytalyxq7RnFrLYAeoxWdUdeQ7hj+K15FXGNc8Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T22:25:29.843253Z","bundle_sha256":"3788d72fafb8057cac546fcc55381c63cd8a020b5507583f2608afaab2a358da"}}