{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:UII745I2ZSHXHH7Y7JXG7OJ4DX","short_pith_number":"pith:UII745I2","canonical_record":{"source":{"id":"2607.20285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-22T15:31:13Z","cross_cats_sorted":[],"title_canon_sha256":"f4c603063b0586f9b159acd1942f75ca8b31ae982dc81b1578d40242007e9c09","abstract_canon_sha256":"8e86c2607c5d30c48825e8e661ef60767c36bd9ea462d01404a621a4bbb2b79c"},"schema_version":"1.0"},"canonical_sha256":"a211fe751acc8f739ff8fa6e6fb93c1de00a82224e5e1baeea0ad554fa62a708","source":{"kind":"arxiv","id":"2607.20285","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20285","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20285v1","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20285","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"pith_short_12","alias_value":"UII745I2ZSHX","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"pith_short_16","alias_value":"UII745I2ZSHXHH7Y","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"pith_short_8","alias_value":"UII745I2","created_at":"2026-07-23T01:25:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:UII745I2ZSHXHH7Y7JXG7OJ4DX","target":"record","payload":{"canonical_record":{"source":{"id":"2607.20285","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-22T15:31:13Z","cross_cats_sorted":[],"title_canon_sha256":"f4c603063b0586f9b159acd1942f75ca8b31ae982dc81b1578d40242007e9c09","abstract_canon_sha256":"8e86c2607c5d30c48825e8e661ef60767c36bd9ea462d01404a621a4bbb2b79c"},"schema_version":"1.0"},"canonical_sha256":"a211fe751acc8f739ff8fa6e6fb93c1de00a82224e5e1baeea0ad554fa62a708","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-23T01:25:12.347121Z","signature_b64":"z20PQqumJrG2Go7jN/NrDy2HaGQXR7Y1OiDybF52Kx5dq/6a78O9pz38EiopYve5oPQDHOG8S13CH0XxlmtlAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a211fe751acc8f739ff8fa6e6fb93c1de00a82224e5e1baeea0ad554fa62a708","last_reissued_at":"2026-07-23T01:25:12.346229Z","signature_status":"signed_v1","first_computed_at":"2026-07-23T01:25:12.346229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.20285","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":"2026-07-23T01:25:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OPxK+vMiwc9JMc/uoa4dESLaoI1no6KzXUQ3QJnQOVy6ggJTdapcik90T4ALRQE+DYpRGbi4Wb6pOSLiDOJIDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:44:52.292007Z"},"content_sha256":"b7546ca7a7608b944f8dc340c7cee8e834181fb0efa1e741ffd33ef6ba2cf922","schema_version":"1.0","event_id":"sha256:b7546ca7a7608b944f8dc340c7cee8e834181fb0efa1e741ffd33ef6ba2cf922"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:UII745I2ZSHXHH7Y7JXG7OJ4DX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Eos detector: a demonstrator of hybrid optical detection technology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"A. Baldoni, A. J. Bacon, A. Katt, A. Mastbaum, A. Nikolica, A. Phipps, A. Rincon, A. Zummo, B. Harris, B. Tam, C. Grant, C. Mauger, D. F. Cowen, E. Blucher, E. D. Zimmerman, E. J. Callaghan, Eos Collaboration: S. Arora, E. Tiras, G. D. Orebi Gann, G. Mayers, G. Wendel, G. Yang, H. J. Ryoo, H. Song, H. Steiger, J. Boissevain, J. Nachtman, J. Newby, J. R. Klein, J. Ryshkewitch, J. Saba, J. Shen, J. Wallig, K. DeHolton, L. Bartoszek, L. Lebanowski, L. Pickard, L. Ren, M. Askins, M. Bergevin, M. Diwan, M. Dubnowski, M. Miller, M. Newcomer, M. R. Hebert, M. R. Vagins, M. Smiley, M. Wetstein, M. Wurm, M. Yeh, N. Rowe, P. Englezos, R. Bonventre, R. C. Pitelka, R. Rosero, R. Van Berg, S. Gadamsetty, S. Jeon, S. Lynch, S. Naugle, S. Schoppmann, T. Kaptanoglu, T. Kroupova, W. H. To, Y. Bezawada, Z. Bagdasarian","submitted_at":"2026-07-22T15:31:13Z","abstract_excerpt":"Eos is an R&D testbed for hybrid detector technologies, featuring state-of-the-art sub-ns photosensors, the first implementation of dichroicons in a large-scale demonstrator, and the deployment of novel detection media such as water-based liquid scintillator (WbLS). By separating Cherenkov and scintillation light, Eos leverages the benefits of both to explore the potential of next-generation neutrino technologies. An extensive radioactive source calibration program enables the characterization of position, direction, and energy reconstruction performance of a variety of target materials. Furth"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20285","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/2607.20285/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":"2026-07-23T01:25:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3L8VsTcQUN1AkruyAtbFx9GPRrBu8imY1g2OS6wM0ovWqpjnqdJsXhTtNfj82ZN49XLVhbL1cUF6PqIPDyiKCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:44:52.292524Z"},"content_sha256":"e617e3ea32e26cb4601ff2e9f7a83ab1bbed6d04bc8080b0fd6d946d61102c5d","schema_version":"1.0","event_id":"sha256:e617e3ea32e26cb4601ff2e9f7a83ab1bbed6d04bc8080b0fd6d946d61102c5d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UII745I2ZSHXHH7Y7JXG7OJ4DX/bundle.json","state_url":"https://pith.science/pith/UII745I2ZSHXHH7Y7JXG7OJ4DX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UII745I2ZSHXHH7Y7JXG7OJ4DX/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":"2026-08-06T01:44:52Z","links":{"resolver":"https://pith.science/pith/UII745I2ZSHXHH7Y7JXG7OJ4DX","bundle":"https://pith.science/pith/UII745I2ZSHXHH7Y7JXG7OJ4DX/bundle.json","state":"https://pith.science/pith/UII745I2ZSHXHH7Y7JXG7OJ4DX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UII745I2ZSHXHH7Y7JXG7OJ4DX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:UII745I2ZSHXHH7Y7JXG7OJ4DX","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":"8e86c2607c5d30c48825e8e661ef60767c36bd9ea462d01404a621a4bbb2b79c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-22T15:31:13Z","title_canon_sha256":"f4c603063b0586f9b159acd1942f75ca8b31ae982dc81b1578d40242007e9c09"},"schema_version":"1.0","source":{"id":"2607.20285","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20285","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20285v1","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20285","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"pith_short_12","alias_value":"UII745I2ZSHX","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"pith_short_16","alias_value":"UII745I2ZSHXHH7Y","created_at":"2026-07-23T01:25:12Z"},{"alias_kind":"pith_short_8","alias_value":"UII745I2","created_at":"2026-07-23T01:25:12Z"}],"graph_snapshots":[{"event_id":"sha256:e617e3ea32e26cb4601ff2e9f7a83ab1bbed6d04bc8080b0fd6d946d61102c5d","target":"graph","created_at":"2026-07-23T01:25:12Z","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/2607.20285/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Eos is an R&D testbed for hybrid detector technologies, featuring state-of-the-art sub-ns photosensors, the first implementation of dichroicons in a large-scale demonstrator, and the deployment of novel detection media such as water-based liquid scintillator (WbLS). By separating Cherenkov and scintillation light, Eos leverages the benefits of both to explore the potential of next-generation neutrino technologies. An extensive radioactive source calibration program enables the characterization of position, direction, and energy reconstruction performance of a variety of target materials. Furth","authors_text":"A. Baldoni, A. J. Bacon, A. Katt, A. Mastbaum, A. Nikolica, A. Phipps, A. Rincon, A. Zummo, B. Harris, B. Tam, C. Grant, C. Mauger, D. F. Cowen, E. Blucher, E. D. Zimmerman, E. J. Callaghan, Eos Collaboration: S. Arora, E. Tiras, G. D. Orebi Gann, G. Mayers, G. Wendel, G. Yang, H. J. Ryoo, H. Song, H. Steiger, J. Boissevain, J. Nachtman, J. Newby, J. R. Klein, J. Ryshkewitch, J. Saba, J. Shen, J. Wallig, K. DeHolton, L. Bartoszek, L. Lebanowski, L. Pickard, L. Ren, M. Askins, M. Bergevin, M. Diwan, M. Dubnowski, M. Miller, M. Newcomer, M. R. Hebert, M. R. Vagins, M. Smiley, M. Wetstein, M. Wurm, M. Yeh, N. Rowe, P. Englezos, R. Bonventre, R. C. Pitelka, R. Rosero, R. Van Berg, S. Gadamsetty, S. Jeon, S. Lynch, S. Naugle, S. Schoppmann, T. Kaptanoglu, T. Kroupova, W. H. To, Y. Bezawada, Z. Bagdasarian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-22T15:31:13Z","title":"The Eos detector: a demonstrator of hybrid optical detection technology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20285","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:b7546ca7a7608b944f8dc340c7cee8e834181fb0efa1e741ffd33ef6ba2cf922","target":"record","created_at":"2026-07-23T01:25:12Z","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":"8e86c2607c5d30c48825e8e661ef60767c36bd9ea462d01404a621a4bbb2b79c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2026-07-22T15:31:13Z","title_canon_sha256":"f4c603063b0586f9b159acd1942f75ca8b31ae982dc81b1578d40242007e9c09"},"schema_version":"1.0","source":{"id":"2607.20285","kind":"arxiv","version":1}},"canonical_sha256":"a211fe751acc8f739ff8fa6e6fb93c1de00a82224e5e1baeea0ad554fa62a708","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a211fe751acc8f739ff8fa6e6fb93c1de00a82224e5e1baeea0ad554fa62a708","first_computed_at":"2026-07-23T01:25:12.346229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-23T01:25:12.346229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z20PQqumJrG2Go7jN/NrDy2HaGQXR7Y1OiDybF52Kx5dq/6a78O9pz38EiopYve5oPQDHOG8S13CH0XxlmtlAQ==","signature_status":"signed_v1","signed_at":"2026-07-23T01:25:12.347121Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.20285","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b7546ca7a7608b944f8dc340c7cee8e834181fb0efa1e741ffd33ef6ba2cf922","sha256:e617e3ea32e26cb4601ff2e9f7a83ab1bbed6d04bc8080b0fd6d946d61102c5d"],"state_sha256":"c3b291e7e6e7b948b58069b3f51e8eca1ff1a080585708d3545b2f07ee677193"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aGKPUSD1vkzrCoW0DumU1gGA5NvYfKyKTVj58O0NpkVNqYcND6s+L0xJz/ROCJkdHJiDexzygl18t8hwDyopBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T01:44:52.296456Z","bundle_sha256":"c22129d378bd87a64b9f2280033385e6d165e30433455c2326216f41559fd553"}}