{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JYUFKY6P7DGHZQLMAPU6P3B4VY","short_pith_number":"pith:JYUFKY6P","canonical_record":{"source":{"id":"1804.00661","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-04-02T18:00:01Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"205a3b76be26bd6b9d6c5a30c131e7e5769ca631edc1319b072249aa078e7411","abstract_canon_sha256":"11a7eea820916bb8907974345de9204c069534a0b33e78fb8e05ec2b61d63820"},"schema_version":"1.0"},"canonical_sha256":"4e285563cff8cc7cc16c03e9e7ec3cae3db98a2bbc6330896bf6e97b34aad184","source":{"kind":"arxiv","id":"1804.00661","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.00661","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.00661v1","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.00661","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"pith_short_12","alias_value":"JYUFKY6P7DGH","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"JYUFKY6P7DGHZQLM","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"JYUFKY6P","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JYUFKY6P7DGHZQLMAPU6P3B4VY","target":"record","payload":{"canonical_record":{"source":{"id":"1804.00661","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-04-02T18:00:01Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"205a3b76be26bd6b9d6c5a30c131e7e5769ca631edc1319b072249aa078e7411","abstract_canon_sha256":"11a7eea820916bb8907974345de9204c069534a0b33e78fb8e05ec2b61d63820"},"schema_version":"1.0"},"canonical_sha256":"4e285563cff8cc7cc16c03e9e7ec3cae3db98a2bbc6330896bf6e97b34aad184","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:07.839862Z","signature_b64":"OtsUadwWouk6PZ5Ds0jciu3H6a982lviMvuAiDGE5aq735my0ybdrjlsW6HXtyqyLf06BuyXeOl6jCw8NP6lBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e285563cff8cc7cc16c03e9e7ec3cae3db98a2bbc6330896bf6e97b34aad184","last_reissued_at":"2026-05-18T00:08:07.839346Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:07.839346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.00661","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":"2026-05-18T00:08:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lojYmDqktJLPw6mzlttCJw+Ckup81u8Ov6ttBolSW0cKEhJ+ZM+hAcoqcvwpLxcMBDKr2SsTEKGLEA2ME/5WDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T21:54:00.524302Z"},"content_sha256":"6959c51673ae95beecdf5ea96f3f2036452024a4cf738d44ea0e13a7d2be5097","schema_version":"1.0","event_id":"sha256:6959c51673ae95beecdf5ea96f3f2036452024a4cf738d44ea0e13a7d2be5097"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JYUFKY6P7DGHZQLMAPU6P3B4VY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark Sectors at the Fermilab SeaQuest Experiment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Asher Berlin, Natalia Toro, Philip Schuster, Stefania Gori","submitted_at":"2018-04-02T18:00:01Z","abstract_excerpt":"We analyze the unique capability of the existing SeaQuest experiment at Fermilab to discover well-motivated dark sector physics by measuring displaced electron, photon, and hadron decay signals behind a compact shield. A planned installation of a refurbished electromagnetic calorimeter could provide powerful new sensitivity to GeV-scale vectors, dark Higgs bosons, scalars, axions, and inelastic and strongly interacting dark matter models. This sensitivity is both comparable and complementary to NA62, SHiP, and FASER. SeaQuest's ability to collect data now and over the next few years provides a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.00661","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":"2026-05-18T00:08:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BZrlfm8QJbWCtORp/yCBS5tTN8ca5czFuVx/MOxONSmRgqVopuR4yJi6Sn2F9na7KLzsIPpALxQqjikRHSMnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T21:54:00.524968Z"},"content_sha256":"42f8830412e13836515368e12f00da57da69cb3a96304093062e98c0f6b656bc","schema_version":"1.0","event_id":"sha256:42f8830412e13836515368e12f00da57da69cb3a96304093062e98c0f6b656bc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JYUFKY6P7DGHZQLMAPU6P3B4VY/bundle.json","state_url":"https://pith.science/pith/JYUFKY6P7DGHZQLMAPU6P3B4VY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JYUFKY6P7DGHZQLMAPU6P3B4VY/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":"2026-05-22T21:54:00Z","links":{"resolver":"https://pith.science/pith/JYUFKY6P7DGHZQLMAPU6P3B4VY","bundle":"https://pith.science/pith/JYUFKY6P7DGHZQLMAPU6P3B4VY/bundle.json","state":"https://pith.science/pith/JYUFKY6P7DGHZQLMAPU6P3B4VY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JYUFKY6P7DGHZQLMAPU6P3B4VY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JYUFKY6P7DGHZQLMAPU6P3B4VY","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":"11a7eea820916bb8907974345de9204c069534a0b33e78fb8e05ec2b61d63820","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-04-02T18:00:01Z","title_canon_sha256":"205a3b76be26bd6b9d6c5a30c131e7e5769ca631edc1319b072249aa078e7411"},"schema_version":"1.0","source":{"id":"1804.00661","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.00661","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.00661v1","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.00661","created_at":"2026-05-18T00:08:07Z"},{"alias_kind":"pith_short_12","alias_value":"JYUFKY6P7DGH","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"JYUFKY6P7DGHZQLM","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"JYUFKY6P","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:42f8830412e13836515368e12f00da57da69cb3a96304093062e98c0f6b656bc","target":"graph","created_at":"2026-05-18T00:08:07Z","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":"We analyze the unique capability of the existing SeaQuest experiment at Fermilab to discover well-motivated dark sector physics by measuring displaced electron, photon, and hadron decay signals behind a compact shield. A planned installation of a refurbished electromagnetic calorimeter could provide powerful new sensitivity to GeV-scale vectors, dark Higgs bosons, scalars, axions, and inelastic and strongly interacting dark matter models. This sensitivity is both comparable and complementary to NA62, SHiP, and FASER. SeaQuest's ability to collect data now and over the next few years provides a","authors_text":"Asher Berlin, Natalia Toro, Philip Schuster, Stefania Gori","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-04-02T18:00:01Z","title":"Dark Sectors at the Fermilab SeaQuest Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.00661","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":"sha256:6959c51673ae95beecdf5ea96f3f2036452024a4cf738d44ea0e13a7d2be5097","target":"record","created_at":"2026-05-18T00:08:07Z","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":"11a7eea820916bb8907974345de9204c069534a0b33e78fb8e05ec2b61d63820","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-04-02T18:00:01Z","title_canon_sha256":"205a3b76be26bd6b9d6c5a30c131e7e5769ca631edc1319b072249aa078e7411"},"schema_version":"1.0","source":{"id":"1804.00661","kind":"arxiv","version":1}},"canonical_sha256":"4e285563cff8cc7cc16c03e9e7ec3cae3db98a2bbc6330896bf6e97b34aad184","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e285563cff8cc7cc16c03e9e7ec3cae3db98a2bbc6330896bf6e97b34aad184","first_computed_at":"2026-05-18T00:08:07.839346Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:07.839346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OtsUadwWouk6PZ5Ds0jciu3H6a982lviMvuAiDGE5aq735my0ybdrjlsW6HXtyqyLf06BuyXeOl6jCw8NP6lBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:07.839862Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.00661","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6959c51673ae95beecdf5ea96f3f2036452024a4cf738d44ea0e13a7d2be5097","sha256:42f8830412e13836515368e12f00da57da69cb3a96304093062e98c0f6b656bc"],"state_sha256":"e9b196c245b19fcfb63225972c72eabebd9a09f372c57327c02f86019219915f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ez/k/SjI1vxchhoKAKyuZmlIVgnh6N/IzTipyxLNnHQJ1mInPUZnCft/txcyh43krT9I7p6iox2f4KjGIf8KAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T21:54:00.529892Z","bundle_sha256":"bd87dc385e7cb0e084ec25408907cd18feba3f8dd2bc4d2c8ba2bf023813c52f"}}