{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QVRNBDCADFWYBU3NG5SVESLBK2","short_pith_number":"pith:QVRNBDCA","canonical_record":{"source":{"id":"1705.08830","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-05-24T15:55:57Z","cross_cats_sorted":[],"title_canon_sha256":"80210278f8ec4d2272fab63ead94e80f10cf05854b9582aa3b28e92a9ade45d4","abstract_canon_sha256":"aeb3cccf88008bd8c32fc75d65824351f1578a6459c8e871c3789d32539eb444"},"schema_version":"1.0"},"canonical_sha256":"8562d08c40196d80d36d3765524961569c9b688a653627d05173564a1c3064af","source":{"kind":"arxiv","id":"1705.08830","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.08830","created_at":"2026-05-18T00:43:44Z"},{"alias_kind":"arxiv_version","alias_value":"1705.08830v1","created_at":"2026-05-18T00:43:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08830","created_at":"2026-05-18T00:43:44Z"},{"alias_kind":"pith_short_12","alias_value":"QVRNBDCADFWY","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QVRNBDCADFWYBU3N","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QVRNBDCA","created_at":"2026-05-18T12:31:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QVRNBDCADFWYBU3NG5SVESLBK2","target":"record","payload":{"canonical_record":{"source":{"id":"1705.08830","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-05-24T15:55:57Z","cross_cats_sorted":[],"title_canon_sha256":"80210278f8ec4d2272fab63ead94e80f10cf05854b9582aa3b28e92a9ade45d4","abstract_canon_sha256":"aeb3cccf88008bd8c32fc75d65824351f1578a6459c8e871c3789d32539eb444"},"schema_version":"1.0"},"canonical_sha256":"8562d08c40196d80d36d3765524961569c9b688a653627d05173564a1c3064af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:44.134024Z","signature_b64":"Hs25NBALdw9XHQZw9/wPOSVqWsoNUGm2szhMWkb9hwQYHGWVR4VmGbPucWK7OUYlTkAAENSRFtpy9rSH7FUXDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8562d08c40196d80d36d3765524961569c9b688a653627d05173564a1c3064af","last_reissued_at":"2026-05-18T00:43:44.133505Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:44.133505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.08830","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":"2026-05-18T00:43:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dH9yvy8Y4t47ft2Dmn23QR+rkt2OKoFKgl9Uf63ap/tN6huyCRipxvEJqoEyFO3OF6ypXtHZPBTjUe7mN7qPDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:23:12.650715Z"},"content_sha256":"8b304e23788e7694a25de6b9ad9decc4d4ebe0646140eca5ed0e8e418cd0029d","schema_version":"1.0","event_id":"sha256:8b304e23788e7694a25de6b9ad9decc4d4ebe0646140eca5ed0e8e418cd0029d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QVRNBDCADFWYBU3NG5SVESLBK2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Luminosity Large Hadron Collider HL-LHC","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"G. Apollinari, L. Rossi, O. Bruening, T. Nakamoto","submitted_at":"2017-05-24T15:55:57Z","abstract_excerpt":"HL-LHC federates the efforts and R&D of a large international community towards the ambitious HL- LHC objectives and contributes to establishing the European Research Area (ERA) as a focal point of global research cooperation and a leader in frontier knowledge and technologies. HL-LHC relies on strong participation from various partners, in particular from leading US and Japanese laboratories. This participation will be required for the execution of the construction phase as a global project. In particular, the US LHC Accelerator R&D Program (LARP) has developed some of the key technologies fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08830","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":"2026-05-18T00:43:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nyLRPwFd2y/xQWBQWdCswiAZV8h6gNnHtqpt3AJhC1AsUMka/3HjXh/JqDIckEYLculboQ/Za8ha1yfa7HK6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:23:12.651416Z"},"content_sha256":"d71eed49d60ba3023f9ffe7d89d6cabb0d6939628c68d0feb42eff5a9f3e9c83","schema_version":"1.0","event_id":"sha256:d71eed49d60ba3023f9ffe7d89d6cabb0d6939628c68d0feb42eff5a9f3e9c83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVRNBDCADFWYBU3NG5SVESLBK2/bundle.json","state_url":"https://pith.science/pith/QVRNBDCADFWYBU3NG5SVESLBK2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVRNBDCADFWYBU3NG5SVESLBK2/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":"2026-05-25T14:23:12Z","links":{"resolver":"https://pith.science/pith/QVRNBDCADFWYBU3NG5SVESLBK2","bundle":"https://pith.science/pith/QVRNBDCADFWYBU3NG5SVESLBK2/bundle.json","state":"https://pith.science/pith/QVRNBDCADFWYBU3NG5SVESLBK2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVRNBDCADFWYBU3NG5SVESLBK2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QVRNBDCADFWYBU3NG5SVESLBK2","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":"aeb3cccf88008bd8c32fc75d65824351f1578a6459c8e871c3789d32539eb444","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-05-24T15:55:57Z","title_canon_sha256":"80210278f8ec4d2272fab63ead94e80f10cf05854b9582aa3b28e92a9ade45d4"},"schema_version":"1.0","source":{"id":"1705.08830","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.08830","created_at":"2026-05-18T00:43:44Z"},{"alias_kind":"arxiv_version","alias_value":"1705.08830v1","created_at":"2026-05-18T00:43:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08830","created_at":"2026-05-18T00:43:44Z"},{"alias_kind":"pith_short_12","alias_value":"QVRNBDCADFWY","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_16","alias_value":"QVRNBDCADFWYBU3N","created_at":"2026-05-18T12:31:39Z"},{"alias_kind":"pith_short_8","alias_value":"QVRNBDCA","created_at":"2026-05-18T12:31:39Z"}],"graph_snapshots":[{"event_id":"sha256:d71eed49d60ba3023f9ffe7d89d6cabb0d6939628c68d0feb42eff5a9f3e9c83","target":"graph","created_at":"2026-05-18T00:43:44Z","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":"HL-LHC federates the efforts and R&D of a large international community towards the ambitious HL- LHC objectives and contributes to establishing the European Research Area (ERA) as a focal point of global research cooperation and a leader in frontier knowledge and technologies. HL-LHC relies on strong participation from various partners, in particular from leading US and Japanese laboratories. This participation will be required for the execution of the construction phase as a global project. In particular, the US LHC Accelerator R&D Program (LARP) has developed some of the key technologies fo","authors_text":"G. Apollinari, L. Rossi, O. Bruening, T. Nakamoto","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-05-24T15:55:57Z","title":"High Luminosity Large Hadron Collider HL-LHC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08830","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":"sha256:8b304e23788e7694a25de6b9ad9decc4d4ebe0646140eca5ed0e8e418cd0029d","target":"record","created_at":"2026-05-18T00:43:44Z","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":"aeb3cccf88008bd8c32fc75d65824351f1578a6459c8e871c3789d32539eb444","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2017-05-24T15:55:57Z","title_canon_sha256":"80210278f8ec4d2272fab63ead94e80f10cf05854b9582aa3b28e92a9ade45d4"},"schema_version":"1.0","source":{"id":"1705.08830","kind":"arxiv","version":1}},"canonical_sha256":"8562d08c40196d80d36d3765524961569c9b688a653627d05173564a1c3064af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8562d08c40196d80d36d3765524961569c9b688a653627d05173564a1c3064af","first_computed_at":"2026-05-18T00:43:44.133505Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:44.133505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hs25NBALdw9XHQZw9/wPOSVqWsoNUGm2szhMWkb9hwQYHGWVR4VmGbPucWK7OUYlTkAAENSRFtpy9rSH7FUXDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:44.134024Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.08830","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b304e23788e7694a25de6b9ad9decc4d4ebe0646140eca5ed0e8e418cd0029d","sha256:d71eed49d60ba3023f9ffe7d89d6cabb0d6939628c68d0feb42eff5a9f3e9c83"],"state_sha256":"50f59409763e43b63991bccce663d9ef9833ce4fe2c84254fe4a82b119c26e40"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QLN1PGICS+f0p3vcP4PUzN9pd4Em9vouTLN2OMSdLmLa50K2KDUp3dbCIcXIZVLljzp3YpnU6q0+KIRTk0PoCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T14:23:12.655246Z","bundle_sha256":"0157be4566b9ff9f7f6e99b40abcceba7ddc9c46ece13dd3db7de38f97155aa1"}}