{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:4A6VPXP6J4OYZ3DW5ZK3KWXCR6","short_pith_number":"pith:4A6VPXP6","canonical_record":{"source":{"id":"1007.4882","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-07-28T07:21:11Z","cross_cats_sorted":[],"title_canon_sha256":"99f52944c569d9750a333cd7c915f1b4f4b48d17d76edc111ffd1b9487f650a3","abstract_canon_sha256":"df7268d957f35a69240baeafefdd4b505f2e9a3f5a345ca573c01f78c49197ce"},"schema_version":"1.0"},"canonical_sha256":"e03d57ddfe4f1d8cec76ee55b55ae28f8250407a2c6816ad05cd29a7a1460b4a","source":{"kind":"arxiv","id":"1007.4882","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.4882","created_at":"2026-05-18T04:21:53Z"},{"alias_kind":"arxiv_version","alias_value":"1007.4882v4","created_at":"2026-05-18T04:21:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4882","created_at":"2026-05-18T04:21:53Z"},{"alias_kind":"pith_short_12","alias_value":"4A6VPXP6J4OY","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4A6VPXP6J4OYZ3DW","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4A6VPXP6","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:4A6VPXP6J4OYZ3DW5ZK3KWXCR6","target":"record","payload":{"canonical_record":{"source":{"id":"1007.4882","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-07-28T07:21:11Z","cross_cats_sorted":[],"title_canon_sha256":"99f52944c569d9750a333cd7c915f1b4f4b48d17d76edc111ffd1b9487f650a3","abstract_canon_sha256":"df7268d957f35a69240baeafefdd4b505f2e9a3f5a345ca573c01f78c49197ce"},"schema_version":"1.0"},"canonical_sha256":"e03d57ddfe4f1d8cec76ee55b55ae28f8250407a2c6816ad05cd29a7a1460b4a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:53.030951Z","signature_b64":"6soKaot/Tcm0+f9tlfQ7ZY50lfgT4giWqCEO1rlfSwUn134ThOCa8XfSbP+IZrbs3e8IpApGwjfnSshHQ8xvDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e03d57ddfe4f1d8cec76ee55b55ae28f8250407a2c6816ad05cd29a7a1460b4a","last_reissued_at":"2026-05-18T04:21:53.030406Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:53.030406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.4882","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:21:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sKDsP9yMvEjmcObm9iUELwkVcR2t00mFg9iztDpdLtUWxB54yZV8NRJRLSt5gYAOI0udYEG6TB1KymlQblv4Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T13:06:28.425810Z"},"content_sha256":"b03eb9c10a4625cc794184fc05f8131baed0a6864308f01f89ccc962d777a52f","schema_version":"1.0","event_id":"sha256:b03eb9c10a4625cc794184fc05f8131baed0a6864308f01f89ccc962d777a52f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:4A6VPXP6J4OYZ3DW5ZK3KWXCR6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for long-range forces of a neutron and atoms with a trap of ultracold neutrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.P.Serebrov, A.V. Vassiljev, M.S. Lasakov, O.M.Zherebtsov, S.V.Sbitnev, V.E. Varlamov","submitted_at":"2010-07-28T07:21:11Z","abstract_excerpt":"A method of using a gravitational UCN spectrometer to search for long-range forces between neutrons and atoms is proposed. The constraints on the strength of long-range forces within the range of 10-10 - 10-4 cm can be obtained from the experiments on measurements of the total cross section of interaction of UCN with atoms of the noble gases (He, Ne, Ar, Kr) and the data on the coherent neutron scattering length of the nucleus. The first result of such an analysis is presented. Further prospect of UCN method is discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4882","kind":"arxiv","version":4},"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":"2026-05-18T04:21:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LyxUocDz8YuRy+ES77gLh5hmRkUHY4pgfEBzXojTY9/c1ZlH5hClYQ1ZLoaX4oKtOLsaUuFTiYTxfOihVMO7Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T13:06:28.426560Z"},"content_sha256":"9ef370e2a9f2d0bc6e96a7fb4ec8c0fcd2867afc44eaadc2b34527335b7ee00d","schema_version":"1.0","event_id":"sha256:9ef370e2a9f2d0bc6e96a7fb4ec8c0fcd2867afc44eaadc2b34527335b7ee00d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4A6VPXP6J4OYZ3DW5ZK3KWXCR6/bundle.json","state_url":"https://pith.science/pith/4A6VPXP6J4OYZ3DW5ZK3KWXCR6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4A6VPXP6J4OYZ3DW5ZK3KWXCR6/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":"2026-05-31T13:06:28Z","links":{"resolver":"https://pith.science/pith/4A6VPXP6J4OYZ3DW5ZK3KWXCR6","bundle":"https://pith.science/pith/4A6VPXP6J4OYZ3DW5ZK3KWXCR6/bundle.json","state":"https://pith.science/pith/4A6VPXP6J4OYZ3DW5ZK3KWXCR6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4A6VPXP6J4OYZ3DW5ZK3KWXCR6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:4A6VPXP6J4OYZ3DW5ZK3KWXCR6","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":"df7268d957f35a69240baeafefdd4b505f2e9a3f5a345ca573c01f78c49197ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-07-28T07:21:11Z","title_canon_sha256":"99f52944c569d9750a333cd7c915f1b4f4b48d17d76edc111ffd1b9487f650a3"},"schema_version":"1.0","source":{"id":"1007.4882","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.4882","created_at":"2026-05-18T04:21:53Z"},{"alias_kind":"arxiv_version","alias_value":"1007.4882v4","created_at":"2026-05-18T04:21:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4882","created_at":"2026-05-18T04:21:53Z"},{"alias_kind":"pith_short_12","alias_value":"4A6VPXP6J4OY","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4A6VPXP6J4OYZ3DW","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4A6VPXP6","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:9ef370e2a9f2d0bc6e96a7fb4ec8c0fcd2867afc44eaadc2b34527335b7ee00d","target":"graph","created_at":"2026-05-18T04:21:53Z","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"},"paper":{"abstract_excerpt":"A method of using a gravitational UCN spectrometer to search for long-range forces between neutrons and atoms is proposed. The constraints on the strength of long-range forces within the range of 10-10 - 10-4 cm can be obtained from the experiments on measurements of the total cross section of interaction of UCN with atoms of the noble gases (He, Ne, Ar, Kr) and the data on the coherent neutron scattering length of the nucleus. The first result of such an analysis is presented. Further prospect of UCN method is discussed.","authors_text":"A.P.Serebrov, A.V. Vassiljev, M.S. Lasakov, O.M.Zherebtsov, S.V.Sbitnev, V.E. Varlamov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-07-28T07:21:11Z","title":"Search for long-range forces of a neutron and atoms with a trap of ultracold neutrons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4882","kind":"arxiv","version":4},"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:b03eb9c10a4625cc794184fc05f8131baed0a6864308f01f89ccc962d777a52f","target":"record","created_at":"2026-05-18T04:21:53Z","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":"df7268d957f35a69240baeafefdd4b505f2e9a3f5a345ca573c01f78c49197ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-07-28T07:21:11Z","title_canon_sha256":"99f52944c569d9750a333cd7c915f1b4f4b48d17d76edc111ffd1b9487f650a3"},"schema_version":"1.0","source":{"id":"1007.4882","kind":"arxiv","version":4}},"canonical_sha256":"e03d57ddfe4f1d8cec76ee55b55ae28f8250407a2c6816ad05cd29a7a1460b4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e03d57ddfe4f1d8cec76ee55b55ae28f8250407a2c6816ad05cd29a7a1460b4a","first_computed_at":"2026-05-18T04:21:53.030406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:53.030406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6soKaot/Tcm0+f9tlfQ7ZY50lfgT4giWqCEO1rlfSwUn134ThOCa8XfSbP+IZrbs3e8IpApGwjfnSshHQ8xvDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:53.030951Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.4882","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b03eb9c10a4625cc794184fc05f8131baed0a6864308f01f89ccc962d777a52f","sha256:9ef370e2a9f2d0bc6e96a7fb4ec8c0fcd2867afc44eaadc2b34527335b7ee00d"],"state_sha256":"3d6512ae2ec57e620779b7bcc0d47cf131372a882bc19453952d599e820e2cec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DmI9iB3UIN5HpdVOwplytIIbtW860fND0oDJrlnkKhlcuG5mU1ND3UFwHljB9X1cb2Sx+5n4CB96KIA/Fjv9AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T13:06:28.430489Z","bundle_sha256":"39e42c2ea8a257d96be697819f32c52950e58b7823e9e07fdfdb0c0b75b62e5e"}}