{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4VPJ3MMF6HVL7WWTUQDYQA6CDN","short_pith_number":"pith:4VPJ3MMF","canonical_record":{"source":{"id":"1202.3976","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-17T17:31:18Z","cross_cats_sorted":[],"title_canon_sha256":"57a06a48360848939114b77d6fd3ea07385b6c3b3c50648c310bbdaeabe4403f","abstract_canon_sha256":"76f714f8582ed111673cdd276989c600c2730775e0b7599b4bd80d2eaff8999d"},"schema_version":"1.0"},"canonical_sha256":"e55e9db185f1eabfdad3a4078803c21b7a289863364b49b8166d41e748c3aad5","source":{"kind":"arxiv","id":"1202.3976","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.3976","created_at":"2026-05-18T04:02:02Z"},{"alias_kind":"arxiv_version","alias_value":"1202.3976v1","created_at":"2026-05-18T04:02:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3976","created_at":"2026-05-18T04:02:02Z"},{"alias_kind":"pith_short_12","alias_value":"4VPJ3MMF6HVL","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4VPJ3MMF6HVL7WWT","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4VPJ3MMF","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4VPJ3MMF6HVL7WWTUQDYQA6CDN","target":"record","payload":{"canonical_record":{"source":{"id":"1202.3976","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-17T17:31:18Z","cross_cats_sorted":[],"title_canon_sha256":"57a06a48360848939114b77d6fd3ea07385b6c3b3c50648c310bbdaeabe4403f","abstract_canon_sha256":"76f714f8582ed111673cdd276989c600c2730775e0b7599b4bd80d2eaff8999d"},"schema_version":"1.0"},"canonical_sha256":"e55e9db185f1eabfdad3a4078803c21b7a289863364b49b8166d41e748c3aad5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:02.299296Z","signature_b64":"mRTF3xeAKwBpo+Gpd26BeNs5kHR5i3TbPoSgW45dupOZePWoOR92sWKh8vxLgrqnjm8HWd90Dxv5140Zz6nLBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e55e9db185f1eabfdad3a4078803c21b7a289863364b49b8166d41e748c3aad5","last_reissued_at":"2026-05-18T04:02:02.298568Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:02.298568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.3976","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":"2026-05-18T04:02:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TrvA+QVmDMqWrxod06VVA83NyimPTxTnYGIiPpdo6aLrkteeq8+7jattDf2L7g/JW2JUOt962uepHirXuAdnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:19:03.068790Z"},"content_sha256":"368c4ba655a4e1b6552d2c97cca69d524c693f011bb2505f2cee72c56bbee442","schema_version":"1.0","event_id":"sha256:368c4ba655a4e1b6552d2c97cca69d524c693f011bb2505f2cee72c56bbee442"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4VPJ3MMF6HVL7WWTUQDYQA6CDN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiation and thermal analysis of production solenoid for Mu2e experimental setup","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"N.V. Mokhov (Fermilab), V.S. Pronskikh, V.V. Kashikhin","submitted_at":"2012-02-17T17:31:18Z","abstract_excerpt":"The Muon-to-Electron (Mu2e) experiment at Fermilab, will seek the evidence of direct muon to electron conversion at the sensitivity level where it cannot be explained by the Standard Model. An 8-GeV 25-kW proton beam will be directed onto a tilted gold target inside a large-bore superconducting Production Solenoid (PS) with the peak field on the axis of ~5T. The negative muons resulting from the pion decay will be captured in the PS aperture and directed by an S-shaped Transport Solenoid towards the stopping target inside the Detector Solenoid. In order for the superconducting magnets to opera"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3976","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":"2026-05-18T04:02:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gtFKD+QuFuaeCDbHvvbx0BIGoRFSU9eFuq+A5Y6Jhg3q80QpoDqYAON8At8DmJbMjaM9ngp+IheZXcDRoFhfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T16:19:03.069356Z"},"content_sha256":"e6e587dcd78fe54723770428669ad9d95d32045fe8ce5c0c7122f51ebcec7f41","schema_version":"1.0","event_id":"sha256:e6e587dcd78fe54723770428669ad9d95d32045fe8ce5c0c7122f51ebcec7f41"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4VPJ3MMF6HVL7WWTUQDYQA6CDN/bundle.json","state_url":"https://pith.science/pith/4VPJ3MMF6HVL7WWTUQDYQA6CDN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4VPJ3MMF6HVL7WWTUQDYQA6CDN/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":"2026-06-07T16:19:03Z","links":{"resolver":"https://pith.science/pith/4VPJ3MMF6HVL7WWTUQDYQA6CDN","bundle":"https://pith.science/pith/4VPJ3MMF6HVL7WWTUQDYQA6CDN/bundle.json","state":"https://pith.science/pith/4VPJ3MMF6HVL7WWTUQDYQA6CDN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4VPJ3MMF6HVL7WWTUQDYQA6CDN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4VPJ3MMF6HVL7WWTUQDYQA6CDN","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":"76f714f8582ed111673cdd276989c600c2730775e0b7599b4bd80d2eaff8999d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-17T17:31:18Z","title_canon_sha256":"57a06a48360848939114b77d6fd3ea07385b6c3b3c50648c310bbdaeabe4403f"},"schema_version":"1.0","source":{"id":"1202.3976","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.3976","created_at":"2026-05-18T04:02:02Z"},{"alias_kind":"arxiv_version","alias_value":"1202.3976v1","created_at":"2026-05-18T04:02:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3976","created_at":"2026-05-18T04:02:02Z"},{"alias_kind":"pith_short_12","alias_value":"4VPJ3MMF6HVL","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4VPJ3MMF6HVL7WWT","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4VPJ3MMF","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:e6e587dcd78fe54723770428669ad9d95d32045fe8ce5c0c7122f51ebcec7f41","target":"graph","created_at":"2026-05-18T04:02:02Z","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":"The Muon-to-Electron (Mu2e) experiment at Fermilab, will seek the evidence of direct muon to electron conversion at the sensitivity level where it cannot be explained by the Standard Model. An 8-GeV 25-kW proton beam will be directed onto a tilted gold target inside a large-bore superconducting Production Solenoid (PS) with the peak field on the axis of ~5T. The negative muons resulting from the pion decay will be captured in the PS aperture and directed by an S-shaped Transport Solenoid towards the stopping target inside the Detector Solenoid. In order for the superconducting magnets to opera","authors_text":"N.V. Mokhov (Fermilab), V.S. Pronskikh, V.V. Kashikhin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-17T17:31:18Z","title":"Radiation and thermal analysis of production solenoid for Mu2e experimental setup"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3976","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":"sha256:368c4ba655a4e1b6552d2c97cca69d524c693f011bb2505f2cee72c56bbee442","target":"record","created_at":"2026-05-18T04:02:02Z","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":"76f714f8582ed111673cdd276989c600c2730775e0b7599b4bd80d2eaff8999d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2012-02-17T17:31:18Z","title_canon_sha256":"57a06a48360848939114b77d6fd3ea07385b6c3b3c50648c310bbdaeabe4403f"},"schema_version":"1.0","source":{"id":"1202.3976","kind":"arxiv","version":1}},"canonical_sha256":"e55e9db185f1eabfdad3a4078803c21b7a289863364b49b8166d41e748c3aad5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e55e9db185f1eabfdad3a4078803c21b7a289863364b49b8166d41e748c3aad5","first_computed_at":"2026-05-18T04:02:02.298568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:02:02.298568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mRTF3xeAKwBpo+Gpd26BeNs5kHR5i3TbPoSgW45dupOZePWoOR92sWKh8vxLgrqnjm8HWd90Dxv5140Zz6nLBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:02:02.299296Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.3976","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:368c4ba655a4e1b6552d2c97cca69d524c693f011bb2505f2cee72c56bbee442","sha256:e6e587dcd78fe54723770428669ad9d95d32045fe8ce5c0c7122f51ebcec7f41"],"state_sha256":"8c87e243da3d41a18bcebeeaed029635ca8134faa69a0b4c5a68dab248283fab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U9mZY4RU2W6sAYLHgj/gjGbkp6lupWdXxlBACXz0Scq2OlMkg6myyU5MpQftICNolrBAdVFQ/dIsCjdt/v1pAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T16:19:03.072102Z","bundle_sha256":"70aa78e2e23cdd6e8f32659b6bad2689eb60795c07cd830ae3dfce0a6ac370ad"}}