{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JDFTRH2VB5PZ2NVK64Y5ZW5H4K","short_pith_number":"pith:JDFTRH2V","canonical_record":{"source":{"id":"2506.08701","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2025-06-10T11:29:23Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a717d262ad30e15430d5e5b8e5114fec2f4075f756925f0fb83b9486ffa3c8dd","abstract_canon_sha256":"2a3a5310bda858d46c5b15bd3efeb482bd238cfcc13b5a4f2b2453dd19ecbcaf"},"schema_version":"1.0"},"canonical_sha256":"48cb389f550f5f9d36aaf731dcdba7e2bb48222b7592ca372231f155e5ace5df","source":{"kind":"arxiv","id":"2506.08701","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.08701","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"arxiv_version","alias_value":"2506.08701v1","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.08701","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"pith_short_12","alias_value":"JDFTRH2VB5PZ","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"pith_short_16","alias_value":"JDFTRH2VB5PZ2NVK","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"pith_short_8","alias_value":"JDFTRH2V","created_at":"2026-07-05T11:19:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JDFTRH2VB5PZ2NVK64Y5ZW5H4K","target":"record","payload":{"canonical_record":{"source":{"id":"2506.08701","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2025-06-10T11:29:23Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a717d262ad30e15430d5e5b8e5114fec2f4075f756925f0fb83b9486ffa3c8dd","abstract_canon_sha256":"2a3a5310bda858d46c5b15bd3efeb482bd238cfcc13b5a4f2b2453dd19ecbcaf"},"schema_version":"1.0"},"canonical_sha256":"48cb389f550f5f9d36aaf731dcdba7e2bb48222b7592ca372231f155e5ace5df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:19:12.062714Z","signature_b64":"8CymmtddascJzVkR+llwq+PpM1NZ/6KBMrB7lrvN6+1HVXKR23/vTwECTPOUxjwZc4ky2sBwBWLyq30tVHKCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48cb389f550f5f9d36aaf731dcdba7e2bb48222b7592ca372231f155e5ace5df","last_reissued_at":"2026-07-05T11:19:12.062146Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:19:12.062146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.08701","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":"2026-07-05T11:19:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qNQ3jG2UV+MPCqnlh9I/qMUzUK64D3/6U0fTfPFvuCU+iFW5jUVtZuR+R5oPXJnwSKKnjr6l9OYU6TUlDqkSCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T01:15:49.018556Z"},"content_sha256":"2ca660641b3cc20c3d060c4be8e805d65c61ad1f39e42713be3081df2157bf44","schema_version":"1.0","event_id":"sha256:2ca660641b3cc20c3d060c4be8e805d65c61ad1f39e42713be3081df2157bf44"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JDFTRH2VB5PZ2NVK64Y5ZW5H4K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Searching for Long-Lived Particles in Free Neutron Experiments","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"B. Meirose, D. Milstead, H. Gisbert, L. Vale Silva, R. Nieuwenhuis, R. Pasechnik","submitted_at":"2025-06-10T11:29:23Z","abstract_excerpt":"We explore the decay of free neutrons into exotic long-lived particles, whose decays could be detected in the next-generation free neutron experiments. We show that such a possibility is viable as long as the exotic particle is highly mass-degenerate with the neutron, avoiding exclusion by large-volume detectors. We estimate the number of observable events and identify the most promising final states from both theoretical and experimental perspectives. Our analysis highlights the unique capability of the HIBEAM-NNBAR experiment at the European Spallation Source to probe this unexplored region "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.08701","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/2506.08701/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":"2026-07-05T11:19:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ci5uIp8GG6bIygIXXOKF1Sl19z7iUEAVljwPMp5UL2kgKpPYJksjU+niyoaB/1sy+JfcuENX9lSVbBst4rHpBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T01:15:49.019072Z"},"content_sha256":"62ee3effe288c1b914bd79c2d692821565d8f0bf348bd482f01d5958b0cd9b3f","schema_version":"1.0","event_id":"sha256:62ee3effe288c1b914bd79c2d692821565d8f0bf348bd482f01d5958b0cd9b3f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JDFTRH2VB5PZ2NVK64Y5ZW5H4K/bundle.json","state_url":"https://pith.science/pith/JDFTRH2VB5PZ2NVK64Y5ZW5H4K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JDFTRH2VB5PZ2NVK64Y5ZW5H4K/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":"2026-08-08T01:15:49Z","links":{"resolver":"https://pith.science/pith/JDFTRH2VB5PZ2NVK64Y5ZW5H4K","bundle":"https://pith.science/pith/JDFTRH2VB5PZ2NVK64Y5ZW5H4K/bundle.json","state":"https://pith.science/pith/JDFTRH2VB5PZ2NVK64Y5ZW5H4K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JDFTRH2VB5PZ2NVK64Y5ZW5H4K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JDFTRH2VB5PZ2NVK64Y5ZW5H4K","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":"2a3a5310bda858d46c5b15bd3efeb482bd238cfcc13b5a4f2b2453dd19ecbcaf","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2025-06-10T11:29:23Z","title_canon_sha256":"a717d262ad30e15430d5e5b8e5114fec2f4075f756925f0fb83b9486ffa3c8dd"},"schema_version":"1.0","source":{"id":"2506.08701","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.08701","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"arxiv_version","alias_value":"2506.08701v1","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.08701","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"pith_short_12","alias_value":"JDFTRH2VB5PZ","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"pith_short_16","alias_value":"JDFTRH2VB5PZ2NVK","created_at":"2026-07-05T11:19:12Z"},{"alias_kind":"pith_short_8","alias_value":"JDFTRH2V","created_at":"2026-07-05T11:19:12Z"}],"graph_snapshots":[{"event_id":"sha256:62ee3effe288c1b914bd79c2d692821565d8f0bf348bd482f01d5958b0cd9b3f","target":"graph","created_at":"2026-07-05T11:19:12Z","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/2506.08701/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We explore the decay of free neutrons into exotic long-lived particles, whose decays could be detected in the next-generation free neutron experiments. We show that such a possibility is viable as long as the exotic particle is highly mass-degenerate with the neutron, avoiding exclusion by large-volume detectors. We estimate the number of observable events and identify the most promising final states from both theoretical and experimental perspectives. Our analysis highlights the unique capability of the HIBEAM-NNBAR experiment at the European Spallation Source to probe this unexplored region ","authors_text":"B. Meirose, D. Milstead, H. Gisbert, L. Vale Silva, R. Nieuwenhuis, R. Pasechnik","cross_cats":["hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2025-06-10T11:29:23Z","title":"Searching for Long-Lived Particles in Free Neutron Experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.08701","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":"sha256:2ca660641b3cc20c3d060c4be8e805d65c61ad1f39e42713be3081df2157bf44","target":"record","created_at":"2026-07-05T11:19:12Z","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":"2a3a5310bda858d46c5b15bd3efeb482bd238cfcc13b5a4f2b2453dd19ecbcaf","cross_cats_sorted":["hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2025-06-10T11:29:23Z","title_canon_sha256":"a717d262ad30e15430d5e5b8e5114fec2f4075f756925f0fb83b9486ffa3c8dd"},"schema_version":"1.0","source":{"id":"2506.08701","kind":"arxiv","version":1}},"canonical_sha256":"48cb389f550f5f9d36aaf731dcdba7e2bb48222b7592ca372231f155e5ace5df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"48cb389f550f5f9d36aaf731dcdba7e2bb48222b7592ca372231f155e5ace5df","first_computed_at":"2026-07-05T11:19:12.062146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:19:12.062146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8CymmtddascJzVkR+llwq+PpM1NZ/6KBMrB7lrvN6+1HVXKR23/vTwECTPOUxjwZc4ky2sBwBWLyq30tVHKCAw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:19:12.062714Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.08701","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ca660641b3cc20c3d060c4be8e805d65c61ad1f39e42713be3081df2157bf44","sha256:62ee3effe288c1b914bd79c2d692821565d8f0bf348bd482f01d5958b0cd9b3f"],"state_sha256":"510db45090a9c5fd2deccd9b6d8f4028b6d746c60e97a6a8878ef66e4c08fd32"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sQpC/7gNDSlgVjhNheCgwQKZ8772CY1CDeGCroR8BjI4dXJLafsCjyoRSQ+cEPL8Y0JSyIwFVTQ1EOF2QvxJDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T01:15:49.022487Z","bundle_sha256":"04650d5ac4a426cd62f26e27a33460cbcd694296a1f5017573302d60a21268dd"}}