{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:XBZF45S36CDMBJ4MM3IRUMI77I","short_pith_number":"pith:XBZF45S3","canonical_record":{"source":{"id":"1406.0726","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-03T14:40:23Z","cross_cats_sorted":[],"title_canon_sha256":"b887852adcc66fdaaff98d70f31e94ecc412d13d5c0e002ef1ac2adde2dbba61","abstract_canon_sha256":"343305121593110f4869ad433dea3fea3c4d51691f45940346ec68be91b1f60f"},"schema_version":"1.0"},"canonical_sha256":"b8725e765bf086c0a78c66d11a311ffa14e76765cc28582ec887043d9af532ce","source":{"kind":"arxiv","id":"1406.0726","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.0726","created_at":"2026-05-18T02:27:29Z"},{"alias_kind":"arxiv_version","alias_value":"1406.0726v2","created_at":"2026-05-18T02:27:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.0726","created_at":"2026-05-18T02:27:29Z"},{"alias_kind":"pith_short_12","alias_value":"XBZF45S36CDM","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XBZF45S36CDMBJ4M","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XBZF45S3","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:XBZF45S36CDMBJ4MM3IRUMI77I","target":"record","payload":{"canonical_record":{"source":{"id":"1406.0726","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-03T14:40:23Z","cross_cats_sorted":[],"title_canon_sha256":"b887852adcc66fdaaff98d70f31e94ecc412d13d5c0e002ef1ac2adde2dbba61","abstract_canon_sha256":"343305121593110f4869ad433dea3fea3c4d51691f45940346ec68be91b1f60f"},"schema_version":"1.0"},"canonical_sha256":"b8725e765bf086c0a78c66d11a311ffa14e76765cc28582ec887043d9af532ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:29.261534Z","signature_b64":"dhUxbE141qma8JYudxuwJaeZl7sKyeG8B50DnI0p34M7SwjbN5YcngM8cBhYziwmWjqrgYbi1bF5674EZ5w/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8725e765bf086c0a78c66d11a311ffa14e76765cc28582ec887043d9af532ce","last_reissued_at":"2026-05-18T02:27:29.260783Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:29.260783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.0726","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":"2026-05-18T02:27:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CHS4jydwy67MBlYcYTRvVpdw7sn+SDUwEMweekJstdsNT4UpDdun1O6b57Z5lUQbmw7zcjp4UO/hmSPqrFTjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:17:29.811348Z"},"content_sha256":"31a853b9d7f6788eb3123680d0a12e9bc0bef0b5cbb45fd11c8d94d0bbcd9027","schema_version":"1.0","event_id":"sha256:31a853b9d7f6788eb3123680d0a12e9bc0bef0b5cbb45fd11c8d94d0bbcd9027"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:XBZF45S36CDMBJ4MM3IRUMI77I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The design of a multi-channel spin polarimeter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"Fuhao Ji, Mao Ye, Shan Qiao, Tan Shi, Weishi Wan","submitted_at":"2014-06-03T14:40:23Z","abstract_excerpt":"All commercial electron spin polarimeters work in single channel mode, which is the bottleneck of researches by spin-resolved photoelectron spectroscopy. By adopting the time inversion antisymmetry of magnetic field, we developed a multichannel spin polarimeter based on normal incident VLEED. The key point to achieve the multi-channel measurements is the spatial resolution of the electron optics. The test of the electron optics shows that the designed spatial resolution can be achieved and an image type spin polarimeter with 100 times 100, totally ten thousand channels is possible to be realiz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.0726","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":"2026-05-18T02:27:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5tQ2gtusRM10jtHAbX44r9J6fetyW3qPskYxW3e1iMu5b6FB/yG6ylx6KLlA1QkRim+YkeUF859Oqnf6clf5AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T19:17:29.812631Z"},"content_sha256":"6393fde5f9d3543fb1846930c003d5fe95bbd53f1d71d5b3cda31ca160ba0a70","schema_version":"1.0","event_id":"sha256:6393fde5f9d3543fb1846930c003d5fe95bbd53f1d71d5b3cda31ca160ba0a70"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XBZF45S36CDMBJ4MM3IRUMI77I/bundle.json","state_url":"https://pith.science/pith/XBZF45S36CDMBJ4MM3IRUMI77I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XBZF45S36CDMBJ4MM3IRUMI77I/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":"2026-05-26T19:17:29Z","links":{"resolver":"https://pith.science/pith/XBZF45S36CDMBJ4MM3IRUMI77I","bundle":"https://pith.science/pith/XBZF45S36CDMBJ4MM3IRUMI77I/bundle.json","state":"https://pith.science/pith/XBZF45S36CDMBJ4MM3IRUMI77I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XBZF45S36CDMBJ4MM3IRUMI77I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:XBZF45S36CDMBJ4MM3IRUMI77I","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":"343305121593110f4869ad433dea3fea3c4d51691f45940346ec68be91b1f60f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-03T14:40:23Z","title_canon_sha256":"b887852adcc66fdaaff98d70f31e94ecc412d13d5c0e002ef1ac2adde2dbba61"},"schema_version":"1.0","source":{"id":"1406.0726","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.0726","created_at":"2026-05-18T02:27:29Z"},{"alias_kind":"arxiv_version","alias_value":"1406.0726v2","created_at":"2026-05-18T02:27:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.0726","created_at":"2026-05-18T02:27:29Z"},{"alias_kind":"pith_short_12","alias_value":"XBZF45S36CDM","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XBZF45S36CDMBJ4M","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XBZF45S3","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:6393fde5f9d3543fb1846930c003d5fe95bbd53f1d71d5b3cda31ca160ba0a70","target":"graph","created_at":"2026-05-18T02:27:29Z","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":"All commercial electron spin polarimeters work in single channel mode, which is the bottleneck of researches by spin-resolved photoelectron spectroscopy. By adopting the time inversion antisymmetry of magnetic field, we developed a multichannel spin polarimeter based on normal incident VLEED. The key point to achieve the multi-channel measurements is the spatial resolution of the electron optics. The test of the electron optics shows that the designed spatial resolution can be achieved and an image type spin polarimeter with 100 times 100, totally ten thousand channels is possible to be realiz","authors_text":"Fuhao Ji, Mao Ye, Shan Qiao, Tan Shi, Weishi Wan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-03T14:40:23Z","title":"The design of a multi-channel spin polarimeter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.0726","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":"sha256:31a853b9d7f6788eb3123680d0a12e9bc0bef0b5cbb45fd11c8d94d0bbcd9027","target":"record","created_at":"2026-05-18T02:27:29Z","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":"343305121593110f4869ad433dea3fea3c4d51691f45940346ec68be91b1f60f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-06-03T14:40:23Z","title_canon_sha256":"b887852adcc66fdaaff98d70f31e94ecc412d13d5c0e002ef1ac2adde2dbba61"},"schema_version":"1.0","source":{"id":"1406.0726","kind":"arxiv","version":2}},"canonical_sha256":"b8725e765bf086c0a78c66d11a311ffa14e76765cc28582ec887043d9af532ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8725e765bf086c0a78c66d11a311ffa14e76765cc28582ec887043d9af532ce","first_computed_at":"2026-05-18T02:27:29.260783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:29.260783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dhUxbE141qma8JYudxuwJaeZl7sKyeG8B50DnI0p34M7SwjbN5YcngM8cBhYziwmWjqrgYbi1bF5674EZ5w/AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:29.261534Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.0726","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31a853b9d7f6788eb3123680d0a12e9bc0bef0b5cbb45fd11c8d94d0bbcd9027","sha256:6393fde5f9d3543fb1846930c003d5fe95bbd53f1d71d5b3cda31ca160ba0a70"],"state_sha256":"a983f7279552be22a4d38b227ef7cd9f3e162a92ea40fc1818add87f7633baf6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OgxXiX03f5u+ojd6zm07+01YGdYE/FBG9z+8SZzadE6uftWwxt97Rs6AD+mUk4XT03JCsC9/VFUn9g1W+6wcCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T19:17:29.815932Z","bundle_sha256":"b1a2f7bae2dac62791690597e6448598fd82d7c3c36977b1d781bfcb4fee4689"}}