{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:GZOWIK35P4C2OOMOINTSVS5QRD","short_pith_number":"pith:GZOWIK35","canonical_record":{"source":{"id":"2607.22477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-24T16:47:01Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"4c6255ad9d21f1c75a19b38894731d551929520acc0b271f60ec083cab970eb5","abstract_canon_sha256":"ac7fa3d2617bb497e1a2283128cbc143057d9c8c86005a3dba4c468c62de257d"},"schema_version":"1.0"},"canonical_sha256":"365d642b7d7f05a7398e43672acbb088c070889760bce8c97c469c3e756a8492","source":{"kind":"arxiv","id":"2607.22477","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.22477","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"arxiv_version","alias_value":"2607.22477v1","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.22477","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"pith_short_12","alias_value":"GZOWIK35P4C2","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"pith_short_16","alias_value":"GZOWIK35P4C2OOMO","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"pith_short_8","alias_value":"GZOWIK35","created_at":"2026-07-27T01:21:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:GZOWIK35P4C2OOMOINTSVS5QRD","target":"record","payload":{"canonical_record":{"source":{"id":"2607.22477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-24T16:47:01Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"4c6255ad9d21f1c75a19b38894731d551929520acc0b271f60ec083cab970eb5","abstract_canon_sha256":"ac7fa3d2617bb497e1a2283128cbc143057d9c8c86005a3dba4c468c62de257d"},"schema_version":"1.0"},"canonical_sha256":"365d642b7d7f05a7398e43672acbb088c070889760bce8c97c469c3e756a8492","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-27T01:21:23.170933Z","signature_b64":"Lbz9p4Je9dcZgTevNNr5AGzLpgPQUZIBLCAcS/9tvsroJy7TFKAIfXTnyJfRDhXVfDfBlFlPH9nzTFHWe+5dDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"365d642b7d7f05a7398e43672acbb088c070889760bce8c97c469c3e756a8492","last_reissued_at":"2026-07-27T01:21:23.170101Z","signature_status":"signed_v1","first_computed_at":"2026-07-27T01:21:23.170101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.22477","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":"2026-07-27T01:21:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MG54MtA5OMIYSs8loazaeOAhBgQauMD658z8WSDQN1Ck3qnQZdHP4SAUEFbpHjMC00zkFIdzR4pY8H6Av87AAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T01:49:03.321133Z"},"content_sha256":"2a387f5f29db8f37760f501abaf934bdb1f975390d516c6f0bc500c2ebaaa1e7","schema_version":"1.0","event_id":"sha256:2a387f5f29db8f37760f501abaf934bdb1f975390d516c6f0bc500c2ebaaa1e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:GZOWIK35P4C2OOMOINTSVS5QRD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Performance of a first multi-cell WOM-based liquid scintillator detector as prototype for the SHiP Surrounding Background Tagger","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Brignoli, A. Hollnagel, A. Krolla, A. S. M\\\"uller, C. Eckardt, C. Scharf, F. Lyons, F. Rehbein, H. Fischer, H. Lacker, I. W\\\"ostheinrich, J. Molins i Bertram, J. M. Webb, J. Wenk, M. B\\\"ohles, M. Schaaf, M. Schumann, M. Wurm, P. Deucher, P. Luther, S. Ochoa Guaman, T. J. Rock, T. Molzberger","submitted_at":"2026-07-24T16:47:01Z","abstract_excerpt":"The Search for Hidden Particles (SHiP) Experiment was approved by CERN in 2024. Feebly-interacting particles that are produced in a proton Beam Dump Facility (BDF) will decay in the 50m-long Decay Volume of the experiment, which needs to be enveloped by a hermetic veto detector: The Surrounding Background Tagger (SBT). Its technology relies on liquid scintillator, composed of linear alkylbenzene and 2,5-diphenyloxazole, as active detector material and Wavelength-shifting Optical Module (WOM) tubes collecting the primary scintillation photons. The liquid scintillator volume is segmented in larg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.22477","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/2607.22477/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":"2026-07-27T01:21:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A+YXf5XJt+yS6kwDr8Mhuo29PBs6Fi7okFZ36hCegTrkYDIzsYjshyc2J6krQQJpBegJTilGBbH7h1mhgkfVAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T01:49:03.321651Z"},"content_sha256":"bf8f98323d912e1c42ce2ff0545203f7f3c50b6004955922aed4fe8c0a9746c1","schema_version":"1.0","event_id":"sha256:bf8f98323d912e1c42ce2ff0545203f7f3c50b6004955922aed4fe8c0a9746c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GZOWIK35P4C2OOMOINTSVS5QRD/bundle.json","state_url":"https://pith.science/pith/GZOWIK35P4C2OOMOINTSVS5QRD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GZOWIK35P4C2OOMOINTSVS5QRD/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":"2026-08-17T01:49:03Z","links":{"resolver":"https://pith.science/pith/GZOWIK35P4C2OOMOINTSVS5QRD","bundle":"https://pith.science/pith/GZOWIK35P4C2OOMOINTSVS5QRD/bundle.json","state":"https://pith.science/pith/GZOWIK35P4C2OOMOINTSVS5QRD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GZOWIK35P4C2OOMOINTSVS5QRD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GZOWIK35P4C2OOMOINTSVS5QRD","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":"ac7fa3d2617bb497e1a2283128cbc143057d9c8c86005a3dba4c468c62de257d","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-24T16:47:01Z","title_canon_sha256":"4c6255ad9d21f1c75a19b38894731d551929520acc0b271f60ec083cab970eb5"},"schema_version":"1.0","source":{"id":"2607.22477","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.22477","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"arxiv_version","alias_value":"2607.22477v1","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.22477","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"pith_short_12","alias_value":"GZOWIK35P4C2","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"pith_short_16","alias_value":"GZOWIK35P4C2OOMO","created_at":"2026-07-27T01:21:23Z"},{"alias_kind":"pith_short_8","alias_value":"GZOWIK35","created_at":"2026-07-27T01:21:23Z"}],"graph_snapshots":[{"event_id":"sha256:bf8f98323d912e1c42ce2ff0545203f7f3c50b6004955922aed4fe8c0a9746c1","target":"graph","created_at":"2026-07-27T01:21:23Z","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/2607.22477/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Search for Hidden Particles (SHiP) Experiment was approved by CERN in 2024. Feebly-interacting particles that are produced in a proton Beam Dump Facility (BDF) will decay in the 50m-long Decay Volume of the experiment, which needs to be enveloped by a hermetic veto detector: The Surrounding Background Tagger (SBT). Its technology relies on liquid scintillator, composed of linear alkylbenzene and 2,5-diphenyloxazole, as active detector material and Wavelength-shifting Optical Module (WOM) tubes collecting the primary scintillation photons. The liquid scintillator volume is segmented in larg","authors_text":"A. Brignoli, A. Hollnagel, A. Krolla, A. S. M\\\"uller, C. Eckardt, C. Scharf, F. Lyons, F. Rehbein, H. Fischer, H. Lacker, I. W\\\"ostheinrich, J. Molins i Bertram, J. M. Webb, J. Wenk, M. B\\\"ohles, M. Schaaf, M. Schumann, M. Wurm, P. Deucher, P. Luther, S. Ochoa Guaman, T. J. Rock, T. Molzberger","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-24T16:47:01Z","title":"Performance of a first multi-cell WOM-based liquid scintillator detector as prototype for the SHiP Surrounding Background Tagger"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.22477","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":"sha256:2a387f5f29db8f37760f501abaf934bdb1f975390d516c6f0bc500c2ebaaa1e7","target":"record","created_at":"2026-07-27T01:21:23Z","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":"ac7fa3d2617bb497e1a2283128cbc143057d9c8c86005a3dba4c468c62de257d","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-24T16:47:01Z","title_canon_sha256":"4c6255ad9d21f1c75a19b38894731d551929520acc0b271f60ec083cab970eb5"},"schema_version":"1.0","source":{"id":"2607.22477","kind":"arxiv","version":1}},"canonical_sha256":"365d642b7d7f05a7398e43672acbb088c070889760bce8c97c469c3e756a8492","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"365d642b7d7f05a7398e43672acbb088c070889760bce8c97c469c3e756a8492","first_computed_at":"2026-07-27T01:21:23.170101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-27T01:21:23.170101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lbz9p4Je9dcZgTevNNr5AGzLpgPQUZIBLCAcS/9tvsroJy7TFKAIfXTnyJfRDhXVfDfBlFlPH9nzTFHWe+5dDA==","signature_status":"signed_v1","signed_at":"2026-07-27T01:21:23.170933Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.22477","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a387f5f29db8f37760f501abaf934bdb1f975390d516c6f0bc500c2ebaaa1e7","sha256:bf8f98323d912e1c42ce2ff0545203f7f3c50b6004955922aed4fe8c0a9746c1"],"state_sha256":"030f6766f1d3b360329b4c95b0a72fe58fce22f3ff7d998b89411a2382a0a956"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u10XB3dkXFJnZ7xHgh5gVN4CmHxenqacvBCoo1sbiJ3C+TRgGI4/rzUZ70312OuZF/I7tSl9TI/6BqD9cHN+Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T01:49:03.325721Z","bundle_sha256":"4fbeee5a52abc34df8e77d6e62a6888408287f67e39cbe2a4fa4a8f1fe2050ab"}}