{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FKRQ24GMNC2WSD46ASBGUGQLAO","short_pith_number":"pith:FKRQ24GM","canonical_record":{"source":{"id":"1511.00390","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-11-02T05:57:25Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"bbf64620d758e0b03c1b10fcc436777713ab50844e597d15dea5e635a49b1b2d","abstract_canon_sha256":"abb291cfcab0c46d436e575bc8c02e375a93bb1c0bd66922268ba167aaef0e8b"},"schema_version":"1.0"},"canonical_sha256":"2aa30d70cc68b5690f9e04826a1a0b03a07fc8f1ee6bdb6a4d8c6d3d5eacf34b","source":{"kind":"arxiv","id":"1511.00390","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.00390","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"arxiv_version","alias_value":"1511.00390v2","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.00390","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"pith_short_12","alias_value":"FKRQ24GMNC2W","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FKRQ24GMNC2WSD46","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FKRQ24GM","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FKRQ24GMNC2WSD46ASBGUGQLAO","target":"record","payload":{"canonical_record":{"source":{"id":"1511.00390","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-11-02T05:57:25Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"bbf64620d758e0b03c1b10fcc436777713ab50844e597d15dea5e635a49b1b2d","abstract_canon_sha256":"abb291cfcab0c46d436e575bc8c02e375a93bb1c0bd66922268ba167aaef0e8b"},"schema_version":"1.0"},"canonical_sha256":"2aa30d70cc68b5690f9e04826a1a0b03a07fc8f1ee6bdb6a4d8c6d3d5eacf34b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:23.150576Z","signature_b64":"0MhZR9N9y5AwVzXPklipEatrK2cv4Y9XJ38PAqHy8CptSFKcL1mvwXzuzbyX5X6AuJHbNT/KD+dx7f+J5LzQCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2aa30d70cc68b5690f9e04826a1a0b03a07fc8f1ee6bdb6a4d8c6d3d5eacf34b","last_reissued_at":"2026-05-18T01:18:23.149763Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:23.149763Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.00390","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":"2026-05-18T01:18:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wp/GbPJL6UmOQS45tFtevmhlLmcxmHoXAdL3VDHgDPELk1FMOzrIRp0mqttmD5So61BJNmaHm+AGK883/3bGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T18:53:54.876904Z"},"content_sha256":"c6b577464f056d46fc8e7b240e33d5ca6bf6778d8cb9ac9fa41d3219f142d1c4","schema_version":"1.0","event_id":"sha256:c6b577464f056d46fc8e7b240e33d5ca6bf6778d8cb9ac9fa41d3219f142d1c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FKRQ24GMNC2WSD46ASBGUGQLAO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Future HEP Accelerators: The US Perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.acc-ph","authors_text":"Pushpalatha Bhat, Vladimir Shiltsev","submitted_at":"2015-11-02T05:57:25Z","abstract_excerpt":"Accelerator technology has advanced tremendously since the introduction of accelerators in the 1930s, and particle accelerators have become indispensable instruments in high energy physics (HEP) research to probe Nature at smaller and smaller distances. At present, accelerator facilities can be classified into Energy Frontier colliders that enable direct discoveries and studies of high mass scale particles and Intensity Frontier accelerators for exploration of extremely rare processes, usually at relatively low energies. The near term strategies of the global energy frontier particle physics c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.00390","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":"2026-05-18T01:18:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aa1pojwFel7tP5coxhJPKQokhnQFW8ASHP0oIGcyuNEHVDbAjQRCWu9AwmBaqdRS2MwF4nH/akBIHfA38yk5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-26T18:53:54.877250Z"},"content_sha256":"37ee551ba6554f46bcb3b71921ec5fc1cd8939c29ac61f57b4764f7b9d323146","schema_version":"1.0","event_id":"sha256:37ee551ba6554f46bcb3b71921ec5fc1cd8939c29ac61f57b4764f7b9d323146"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FKRQ24GMNC2WSD46ASBGUGQLAO/bundle.json","state_url":"https://pith.science/pith/FKRQ24GMNC2WSD46ASBGUGQLAO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FKRQ24GMNC2WSD46ASBGUGQLAO/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":"2026-07-26T18:53:54Z","links":{"resolver":"https://pith.science/pith/FKRQ24GMNC2WSD46ASBGUGQLAO","bundle":"https://pith.science/pith/FKRQ24GMNC2WSD46ASBGUGQLAO/bundle.json","state":"https://pith.science/pith/FKRQ24GMNC2WSD46ASBGUGQLAO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FKRQ24GMNC2WSD46ASBGUGQLAO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FKRQ24GMNC2WSD46ASBGUGQLAO","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":"abb291cfcab0c46d436e575bc8c02e375a93bb1c0bd66922268ba167aaef0e8b","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-11-02T05:57:25Z","title_canon_sha256":"bbf64620d758e0b03c1b10fcc436777713ab50844e597d15dea5e635a49b1b2d"},"schema_version":"1.0","source":{"id":"1511.00390","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.00390","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"arxiv_version","alias_value":"1511.00390v2","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.00390","created_at":"2026-05-18T01:18:23Z"},{"alias_kind":"pith_short_12","alias_value":"FKRQ24GMNC2W","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"FKRQ24GMNC2WSD46","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"FKRQ24GM","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:37ee551ba6554f46bcb3b71921ec5fc1cd8939c29ac61f57b4764f7b9d323146","target":"graph","created_at":"2026-05-18T01:18:23Z","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"},"paper":{"abstract_excerpt":"Accelerator technology has advanced tremendously since the introduction of accelerators in the 1930s, and particle accelerators have become indispensable instruments in high energy physics (HEP) research to probe Nature at smaller and smaller distances. At present, accelerator facilities can be classified into Energy Frontier colliders that enable direct discoveries and studies of high mass scale particles and Intensity Frontier accelerators for exploration of extremely rare processes, usually at relatively low energies. The near term strategies of the global energy frontier particle physics c","authors_text":"Pushpalatha Bhat, Vladimir Shiltsev","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-11-02T05:57:25Z","title":"Future HEP Accelerators: The US Perspective"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.00390","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:c6b577464f056d46fc8e7b240e33d5ca6bf6778d8cb9ac9fa41d3219f142d1c4","target":"record","created_at":"2026-05-18T01:18:23Z","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":"abb291cfcab0c46d436e575bc8c02e375a93bb1c0bd66922268ba167aaef0e8b","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-11-02T05:57:25Z","title_canon_sha256":"bbf64620d758e0b03c1b10fcc436777713ab50844e597d15dea5e635a49b1b2d"},"schema_version":"1.0","source":{"id":"1511.00390","kind":"arxiv","version":2}},"canonical_sha256":"2aa30d70cc68b5690f9e04826a1a0b03a07fc8f1ee6bdb6a4d8c6d3d5eacf34b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2aa30d70cc68b5690f9e04826a1a0b03a07fc8f1ee6bdb6a4d8c6d3d5eacf34b","first_computed_at":"2026-05-18T01:18:23.149763Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:23.149763Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0MhZR9N9y5AwVzXPklipEatrK2cv4Y9XJ38PAqHy8CptSFKcL1mvwXzuzbyX5X6AuJHbNT/KD+dx7f+J5LzQCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:23.150576Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.00390","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c6b577464f056d46fc8e7b240e33d5ca6bf6778d8cb9ac9fa41d3219f142d1c4","sha256:37ee551ba6554f46bcb3b71921ec5fc1cd8939c29ac61f57b4764f7b9d323146"],"state_sha256":"3e32065e739c28b3763052a9ba4b6820a6be206b986128e5b5c3e99e5dc9f4d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1tq0a6C+Y1kQjY9BNb2XMgwt95Pn7qSBZ1LCjsXmtwQfcNJh59ore/B3W6fvpCuvuHHfYmTA1xA4S2977bVkDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-26T18:53:54.879364Z","bundle_sha256":"820b00ea281d724b437bc23cd8b278de8f40266b054294ac0694392eb521c410"}}