{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VJTKJENBZNMK72IBV23YZ5Y4BD","short_pith_number":"pith:VJTKJENB","canonical_record":{"source":{"id":"1512.03179","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-10T09:06:11Z","cross_cats_sorted":[],"title_canon_sha256":"6faf060ea7818054083f496ade1b6c997b7fa817ab227eee18d654a5833c90fb","abstract_canon_sha256":"6c3b68374747d270aca6e2ecca83802f292eacab5b3513b4e8165f45428b472f"},"schema_version":"1.0"},"canonical_sha256":"aa66a491a1cb58afe901aeb78cf71c08d14d3f1e27f58217540ca204e754a9ca","source":{"kind":"arxiv","id":"1512.03179","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03179","created_at":"2026-05-18T01:16:54Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03179v2","created_at":"2026-05-18T01:16:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03179","created_at":"2026-05-18T01:16:54Z"},{"alias_kind":"pith_short_12","alias_value":"VJTKJENBZNMK","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VJTKJENBZNMK72IB","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VJTKJENB","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VJTKJENBZNMK72IBV23YZ5Y4BD","target":"record","payload":{"canonical_record":{"source":{"id":"1512.03179","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-10T09:06:11Z","cross_cats_sorted":[],"title_canon_sha256":"6faf060ea7818054083f496ade1b6c997b7fa817ab227eee18d654a5833c90fb","abstract_canon_sha256":"6c3b68374747d270aca6e2ecca83802f292eacab5b3513b4e8165f45428b472f"},"schema_version":"1.0"},"canonical_sha256":"aa66a491a1cb58afe901aeb78cf71c08d14d3f1e27f58217540ca204e754a9ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:54.580509Z","signature_b64":"iYDvm5a9l2hCWCvWkzmrtaLQKLbeYbxdX0LIIawlQHiTrCqWKTJZoLIthqf7RQZROi09/ZNA7/qoSsQHvWVUDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa66a491a1cb58afe901aeb78cf71c08d14d3f1e27f58217540ca204e754a9ca","last_reissued_at":"2026-05-18T01:16:54.579864Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:54.579864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.03179","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:16:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tSlmJEfnQa4a1jSNWqui15fMw2F1Nl1eXl9cqovpq1UG9dQ6eu7xMbezrBWNSgvPQvWPHKSA65kyWQAOaAJwAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T00:42:37.113927Z"},"content_sha256":"74ddf4b4e5ef95dc64e1c4329e44d5855c5a123083ee05a0ec14a1a7c6d0d1da","schema_version":"1.0","event_id":"sha256:74ddf4b4e5ef95dc64e1c4329e44d5855c5a123083ee05a0ec14a1a7c6d0d1da"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VJTKJENBZNMK72IBV23YZ5Y4BD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on the $U(1)_L$ gauge boson in a wide mass range","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. S. Kim, Hye-Sung Lee, Yu Seon Jeong","submitted_at":"2015-12-10T09:06:11Z","abstract_excerpt":"There is a growing interest for the search of new light gauge bosons. The small mass of a new boson can turn various kinds of low-energy experiments to a new discovery machine, depending on their couplings to the standard model particles. It is important to understand the properties of each type of gauge boson and their current constraints for a given mass. While the dark photon (which couples to the electric charges) and the $U(1)_{B-L}$ gauge boson have been well studied in an extensive mass range, the $U(1)_L$ gauge boson has not been fully investigated yet. We consider the gauge boson of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03179","kind":"arxiv","version":2},"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":"2026-05-18T01:16:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XoCEHuNmGnLS9Og4Z3FylrSD8ULwTfFElWrHLM9aVD6BZ/T13fMwPBL+0GoUXr4Kw4OwwoEon2kvnmzKX6FJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T00:42:37.114261Z"},"content_sha256":"103f89dfbc3c3713d811bc5f7dfa11c5cacadf2908399b0d99a5e13eafee370d","schema_version":"1.0","event_id":"sha256:103f89dfbc3c3713d811bc5f7dfa11c5cacadf2908399b0d99a5e13eafee370d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VJTKJENBZNMK72IBV23YZ5Y4BD/bundle.json","state_url":"https://pith.science/pith/VJTKJENBZNMK72IBV23YZ5Y4BD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VJTKJENBZNMK72IBV23YZ5Y4BD/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":"2026-06-09T00:42:37Z","links":{"resolver":"https://pith.science/pith/VJTKJENBZNMK72IBV23YZ5Y4BD","bundle":"https://pith.science/pith/VJTKJENBZNMK72IBV23YZ5Y4BD/bundle.json","state":"https://pith.science/pith/VJTKJENBZNMK72IBV23YZ5Y4BD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VJTKJENBZNMK72IBV23YZ5Y4BD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VJTKJENBZNMK72IBV23YZ5Y4BD","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":"6c3b68374747d270aca6e2ecca83802f292eacab5b3513b4e8165f45428b472f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-10T09:06:11Z","title_canon_sha256":"6faf060ea7818054083f496ade1b6c997b7fa817ab227eee18d654a5833c90fb"},"schema_version":"1.0","source":{"id":"1512.03179","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03179","created_at":"2026-05-18T01:16:54Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03179v2","created_at":"2026-05-18T01:16:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03179","created_at":"2026-05-18T01:16:54Z"},{"alias_kind":"pith_short_12","alias_value":"VJTKJENBZNMK","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VJTKJENBZNMK72IB","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VJTKJENB","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:103f89dfbc3c3713d811bc5f7dfa11c5cacadf2908399b0d99a5e13eafee370d","target":"graph","created_at":"2026-05-18T01:16:54Z","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":"There is a growing interest for the search of new light gauge bosons. The small mass of a new boson can turn various kinds of low-energy experiments to a new discovery machine, depending on their couplings to the standard model particles. It is important to understand the properties of each type of gauge boson and their current constraints for a given mass. While the dark photon (which couples to the electric charges) and the $U(1)_{B-L}$ gauge boson have been well studied in an extensive mass range, the $U(1)_L$ gauge boson has not been fully investigated yet. We consider the gauge boson of t","authors_text":"C. S. Kim, Hye-Sung Lee, Yu Seon Jeong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-10T09:06:11Z","title":"Constraints on the $U(1)_L$ gauge boson in a wide mass range"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03179","kind":"arxiv","version":2},"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":"sha256:74ddf4b4e5ef95dc64e1c4329e44d5855c5a123083ee05a0ec14a1a7c6d0d1da","target":"record","created_at":"2026-05-18T01:16:54Z","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":"6c3b68374747d270aca6e2ecca83802f292eacab5b3513b4e8165f45428b472f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-10T09:06:11Z","title_canon_sha256":"6faf060ea7818054083f496ade1b6c997b7fa817ab227eee18d654a5833c90fb"},"schema_version":"1.0","source":{"id":"1512.03179","kind":"arxiv","version":2}},"canonical_sha256":"aa66a491a1cb58afe901aeb78cf71c08d14d3f1e27f58217540ca204e754a9ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa66a491a1cb58afe901aeb78cf71c08d14d3f1e27f58217540ca204e754a9ca","first_computed_at":"2026-05-18T01:16:54.579864Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:54.579864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iYDvm5a9l2hCWCvWkzmrtaLQKLbeYbxdX0LIIawlQHiTrCqWKTJZoLIthqf7RQZROi09/ZNA7/qoSsQHvWVUDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:54.580509Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.03179","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74ddf4b4e5ef95dc64e1c4329e44d5855c5a123083ee05a0ec14a1a7c6d0d1da","sha256:103f89dfbc3c3713d811bc5f7dfa11c5cacadf2908399b0d99a5e13eafee370d"],"state_sha256":"f933edfe59c7e976fb294d3b748c749315dc5f61db4d916f33445589cfbf363e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i6wvG1JH4xPuJBEZpSEFiU9pAuWFMINfBWthaB23EewpKjHeIKO1gnJ7IgT0C9DfXlsMl51WCCHbPZwdDWiXAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T00:42:37.116089Z","bundle_sha256":"bff68030031271074f8e190a4e064357c8f82dc076568b2895c199bd8877bfd3"}}