{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:J2DDTZNME7DDO2IZTMZFVPTEWT","short_pith_number":"pith:J2DDTZNM","canonical_record":{"source":{"id":"1806.08883","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-23T00:28:45Z","cross_cats_sorted":[],"title_canon_sha256":"e26145f5dfd859541feec4ef239608bc5aaa497c32fe72bf058a8a06a4c7c59c","abstract_canon_sha256":"5bde47cd8719b03a8e1da87cc2c0bc41e801d85371473769a767b13a4cd56780"},"schema_version":"1.0"},"canonical_sha256":"4e8639e5ac27c63769199b325abe64b4c3f3833099c52ba5b9adc885ea0c1a4e","source":{"kind":"arxiv","id":"1806.08883","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08883","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08883v2","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08883","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"pith_short_12","alias_value":"J2DDTZNME7DD","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J2DDTZNME7DDO2IZ","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J2DDTZNM","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:J2DDTZNME7DDO2IZTMZFVPTEWT","target":"record","payload":{"canonical_record":{"source":{"id":"1806.08883","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-23T00:28:45Z","cross_cats_sorted":[],"title_canon_sha256":"e26145f5dfd859541feec4ef239608bc5aaa497c32fe72bf058a8a06a4c7c59c","abstract_canon_sha256":"5bde47cd8719b03a8e1da87cc2c0bc41e801d85371473769a767b13a4cd56780"},"schema_version":"1.0"},"canonical_sha256":"4e8639e5ac27c63769199b325abe64b4c3f3833099c52ba5b9adc885ea0c1a4e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:54.801120Z","signature_b64":"QRF2ZGjGXcGCTX6EjAq5W+hB0FwIvK/n+ZEa+X8vqP6Y5eana8erVZlO4wPqbNJ7j6FQyGR8tk4rNdVf1FJIDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e8639e5ac27c63769199b325abe64b4c3f3833099c52ba5b9adc885ea0c1a4e","last_reissued_at":"2026-05-18T00:00:54.800576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:54.800576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.08883","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":"2026-05-18T00:00:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gB6EeIhUouxANceE+jXzgv5B5hx6TRQA/IPhs9DR2INuwTwO3J7Dqcc58OPSma/z2MnO7UK+TPLTOVCUAQqnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:37:36.714783Z"},"content_sha256":"e8411f0884257d2bf8c3c1f094f2056644cb0778a5938c7076d08bfef1e38ee5","schema_version":"1.0","event_id":"sha256:e8411f0884257d2bf8c3c1f094f2056644cb0778a5938c7076d08bfef1e38ee5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:J2DDTZNME7DDO2IZTMZFVPTEWT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Higgs Factory Muon Collider Superconducting Magnets and Their Protection Against Beam Decay Radiation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"A.V. Zlobin, I.S. Tropin, N.V. Mokhov, S.I. Striganov, V.V. Kashikhin","submitted_at":"2018-06-23T00:28:45Z","abstract_excerpt":"Low-energy medium-luminosity Muon Collider (MC) is being studied as a possible Higgs Factory (HF). Electrons from muon decays will deposit more than 300 kW in superconducting magnets of the HF collider ring. This imposes significant challenges to superconducting (SC) magnets used in the MC storage ring (SR) and interaction regions (IR). The magnet designs are proposed which provide high operating gradient and magnetic field in a large aperture to accommodate the large size of muon beams due to low \\b{eta}* as well as the cooling system to intercept the large heat deposition from the showers in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08883","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":"2026-05-18T00:00:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FNttu8WyMH4Xu4JQYpUiX59VC5odW1r2xYLixiDVacrAdfjM2EZ8uVtZo/0CWwrxxBhhtiFOV+HUg62ijVePDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:37:36.715445Z"},"content_sha256":"35f495d9e017c8d4f745d7f4784628cab319c21125ae7d425f73f8fb3f23c6f9","schema_version":"1.0","event_id":"sha256:35f495d9e017c8d4f745d7f4784628cab319c21125ae7d425f73f8fb3f23c6f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J2DDTZNME7DDO2IZTMZFVPTEWT/bundle.json","state_url":"https://pith.science/pith/J2DDTZNME7DDO2IZTMZFVPTEWT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J2DDTZNME7DDO2IZTMZFVPTEWT/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":"2026-05-27T13:37:36Z","links":{"resolver":"https://pith.science/pith/J2DDTZNME7DDO2IZTMZFVPTEWT","bundle":"https://pith.science/pith/J2DDTZNME7DDO2IZTMZFVPTEWT/bundle.json","state":"https://pith.science/pith/J2DDTZNME7DDO2IZTMZFVPTEWT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J2DDTZNME7DDO2IZTMZFVPTEWT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:J2DDTZNME7DDO2IZTMZFVPTEWT","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":"5bde47cd8719b03a8e1da87cc2c0bc41e801d85371473769a767b13a4cd56780","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-23T00:28:45Z","title_canon_sha256":"e26145f5dfd859541feec4ef239608bc5aaa497c32fe72bf058a8a06a4c7c59c"},"schema_version":"1.0","source":{"id":"1806.08883","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08883","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08883v2","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08883","created_at":"2026-05-18T00:00:54Z"},{"alias_kind":"pith_short_12","alias_value":"J2DDTZNME7DD","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"J2DDTZNME7DDO2IZ","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"J2DDTZNM","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:35f495d9e017c8d4f745d7f4784628cab319c21125ae7d425f73f8fb3f23c6f9","target":"graph","created_at":"2026-05-18T00:00:54Z","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":"Low-energy medium-luminosity Muon Collider (MC) is being studied as a possible Higgs Factory (HF). Electrons from muon decays will deposit more than 300 kW in superconducting magnets of the HF collider ring. This imposes significant challenges to superconducting (SC) magnets used in the MC storage ring (SR) and interaction regions (IR). The magnet designs are proposed which provide high operating gradient and magnetic field in a large aperture to accommodate the large size of muon beams due to low \\b{eta}* as well as the cooling system to intercept the large heat deposition from the showers in","authors_text":"A.V. Zlobin, I.S. Tropin, N.V. Mokhov, S.I. Striganov, V.V. Kashikhin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-23T00:28:45Z","title":"The Higgs Factory Muon Collider Superconducting Magnets and Their Protection Against Beam Decay Radiation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08883","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:e8411f0884257d2bf8c3c1f094f2056644cb0778a5938c7076d08bfef1e38ee5","target":"record","created_at":"2026-05-18T00:00:54Z","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":"5bde47cd8719b03a8e1da87cc2c0bc41e801d85371473769a767b13a4cd56780","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2018-06-23T00:28:45Z","title_canon_sha256":"e26145f5dfd859541feec4ef239608bc5aaa497c32fe72bf058a8a06a4c7c59c"},"schema_version":"1.0","source":{"id":"1806.08883","kind":"arxiv","version":2}},"canonical_sha256":"4e8639e5ac27c63769199b325abe64b4c3f3833099c52ba5b9adc885ea0c1a4e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e8639e5ac27c63769199b325abe64b4c3f3833099c52ba5b9adc885ea0c1a4e","first_computed_at":"2026-05-18T00:00:54.800576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:54.800576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QRF2ZGjGXcGCTX6EjAq5W+hB0FwIvK/n+ZEa+X8vqP6Y5eana8erVZlO4wPqbNJ7j6FQyGR8tk4rNdVf1FJIDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:54.801120Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.08883","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8411f0884257d2bf8c3c1f094f2056644cb0778a5938c7076d08bfef1e38ee5","sha256:35f495d9e017c8d4f745d7f4784628cab319c21125ae7d425f73f8fb3f23c6f9"],"state_sha256":"92e18df3908c9f2a6fc866aef17856aaf326d0bd0a5c82d2d09ecba79e903332"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xrdW/e/JvLrFSwmgXhFSBJJ4inrGnjkqmFXGttVgL2KAZ5ms0dh311M+rP2OIYVxdHnXa6PF2T58r4BOqG7/Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:37:36.719326Z","bundle_sha256":"ddae1bb2032b5909075c554be38b535f8b97c0b26688c48323aa14f859be3a74"}}